There are more white blood cells than red blood cells in the blood.
True or false

The total pressure become 1.514 atm

According to Dalton's Law of Partial Pressures, the partial pressure of a gaseous component in a gaseous mixture is equal to the pressure that the component would produce if it inhabited the container alone.

hence,

[tex]P_{mixture} = P_{A} + P_{B} +P_{C}[/tex]

We are given [tex]P_{A}[/tex]and[tex]P_{B}[/tex], but we must determine [tex]P_{C}[/tex]. We may do this by assuming ideality and using the following formula:

[tex]P_{C}= \frac{0.110 mol . 0.0821 . 326}{9.10} =0.323atm[/tex]

[tex]P_{mixture} = P_{A} + P_{B} +P_{C}[/tex]

              =0.324 + 0.867+0.323

              =1.514 atm

The total pressure become 1.514 atm

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The claim regarding the above is that a known unknown is knowledge about which someone is aware but has no possession. Many scientific investigations, search engine and database searches, business intelligence (BI), and data analytics, among other channels of inquiry, are driven by known unknowns.

Known unknowns might potentially indicate possible concerns. Time and cost predictions in project management, for example, are intrinsically imprecise due to circumstances beyond the organization's control, such as supply chain concerns.

These are known in the sense that it is accepted that certain occurrences may occur, but it is uncertain, and frequently unknowable, whether or not they will.

A known unknown in security is knowing that there are present risks to network security but no information on whether they are affecting your network specifically.

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5. Increasing the temperature to increase molecule collisions.

An increase in the temperature of the solution can increase the solubility of a solid solute. For example, a greater amount of sugar will dissolve in warm water as compared to in cold water. The size of solute particles, stirring of the solution and increasing temperature of the solution are the three factors that can affect the solubility of a solid in a solvent. Increasing the surface area of the solute will also increase the rate of dissolving in a solution as well as increase the temperature of the solvent. Stirring will increase the speed which also increases the rate of dissolving a solid solute in a solution which helps in attaining higher solubility.

So we can conclude that temperature is the factor that increases the solubility of a solid into a solution.

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Answer:

Increase temp

Shaking/ stirring

Grinding

Explanation:

Chatgpt hehehehe

The Sun does not "burn" as we think of logs in a fire or paper burning. The Sun glows because it is a very big ball of gas, and a process called nuclear fusion is taking place in its core.

Nuclear fusion occurs when one proton smashes into another proton so hard that they stick together and release some energy as well. This energy then heats the other materials (other protons and electrons and such) nearby.

This heating eventually grows out from the center (or core) of the star to the outside, finally leaving the surface and radiating out into space to be the heat and light we know stars emit.

People, including scientists, sometimes say that the Sun "burns hydrogen" to make it glow. But that is just a figure of speech. Hydrogen doesn't burn, it fuses, into helium. So no oxygen is required!

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The diagram model of emission lines four element could be the part of unknown star composition is C and D

Emission lines refer to the fact that glowing hot gas emits lines of light, whereas absorption lines refer to the tendency of cool atmospheric gas to absorb the same lines of light and when light passes through gas in the atmosphere some of the light at particular wavelengths is scattered resulting in darker bands

Here in the given data is unknown star and in that unknown element we have to chose which four element are match or seen as like unknown given sample so in the option the option c and d are as like as unknown sample because in the unknown sample the emission lines are same as in option c and d

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A. 0.225

B. 4.6 kg/m3.

C. These six faces are made of three pairs of congruent faces.

For an object to be a right-angled prism all six faces must be rectangular opposite faces must be equal, and cross-sections along the length must be equal. You can draw a rectangle on the paper, but you can also make a rectangular prism out of real materials such as wood. A right-angle prism is a three-dimensional object with rectangular faces. A right-angled prism is a cube if all the faces of the prism are squares.

Prisms are named for the shape of their faces. A right-angle prism is therefore a simple prism that has rectangles as faces. A closed three-dimensional shape, but based on two rectangles. A prism is a three-dimensional shape bounded by flat faces on all sides. Prisms have two types of faces. The top and bottom are the same and are called the base. Prisms are named after the shape of these bases. For example, if the base of a prism is triangular it is called a triangular prism.

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If the density of an object is greater than 1 g/ml, it means that the object will sink in water (option D).

Density is the measure of the mass of matter contained by a unit volume. It can be calculated by dividing the mass of a substance by its volume.

An object, usually solid, will float or sink in another substance (liquid) depending on its density. Water has a density of 1g/mL, which means that any object greater than 1g/mL will sink in water.

According to this question, the density of an object is greater than 1 g/ml, suggesting that it wIll sink in water.

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Answer:

[tex] \sf{\blue{\fbox{B.{\green{ \: Law \: of \: Conservation \: of \: Mass}}}}}[/tex]

Answer:

about 12 cm

Explanation:

Considering the frequency of 2,450 MHz, the wavelength of microwave oven radiation is about 12 cm and the quantum energy of a microwave photon is about 1 x 10-5 eV.

     Lewis structure, sometimes referred to as Lewis dot structure or electron dot structure, is an easy way to depict the electrons in the outermost shell of a chemical species, such as an atom, ion, or molecule.

       Lewis structures, often referred to as Lewis dot formulas, Lewis dot structures, electron dot structures, or Lewis electron dot structures (LEDS), are diagrams that depict the interactions of atoms inside molecules as well as any lone pairs of electrons that may be present.

     A Lewis structure is a visual representation of the electron distribution around atoms. To forecast the quantity and type of bonds that might form around an atom, Lewis structures must be drawn. The geometry of a molecule can also be predicted using a Lewis structure.

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prove the statement about the PCR cycle

What is PCR cycle?

PCR is a laboratory techniques for rapidly producing millions of copies of a species.

So pcr goes through 3

different steps in integration, finaline and elongation. So first is denaturation and this happens at 95 degrees celsius, and this is where the template dana is requiredand. Then the stiffest step is the nailing, and this happens at 55 degrees celsius, and this is where primers are needed. That will attach to specific sequences of d and a that are needed to start elongation. So each step is kind of preparing for the next step. In the process, and then the third step is elongation and this happens at 65 degrees celsius and it requires the use of attack.

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To prepare ammonium fertilizer we will react ammonia gas with nitric acid to form a solution and heat also get released during this.

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λ is the wavelength, directly or inversely proportional to the change in energy, ΔE.

ΔE = hc/ λ

Here, h = planks constant

          c = speed of light

          λ = wavelength

Since h and c are constant.

ΔE = 1/λ

Hence,  λ is the wavelength, directly or inversely proportional to the change in energy, ΔE.

Energy is the quantitative asset this is transferred to a frame or to a physical gadget, recognizable in the overall performance of work and inside the form of heat and light. strength is a conserved quantity—the regulation of conservation of power states that electricity.

Energy exists in lots of different forms. Examples of these are mild power, heat strength, mechanical energy, gravitational energy, electrical power, sound strength, chemical energy, nuclear or atomic energy, and so forth. each form can be converted or modified into the other forms.

Energy is absorbed to interrupt bonds and released when bonds are made. electricity adjustments in a reaction are calculated through bond energies and shown by power diagrams.

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Nitrogen exists as a diatomic molecule, N2 (subscript 2). It exists as a gas at room temperature because of the type of interactions with other identical molecules: weak intermolecular forces are present between the molecules, specifically temporary dipole-dipole interactions.

These interactions are the second weakest type of intermolecular force (Van Der Waals and Hydrogen Bonds are the other two with Hydrogen Bonds being stronger).

Now the reason why Nitrogen exists as a gas is because these weak intermolecular forces can be overcome with little energy. Therefore, at room temperature, Nitrogen exists as a gas.

Now if we wanted to get liquid Nitrogen (quite common in Science demonstrations) we would have to cool Nitrogen down to -195.8°C (77.35°K). The energy of the particles would decrease so much that the dipole-dipole interactions would be strong enough to hold the molecules of Nitrogen together in a liquid state.

Intermolecular forces such as dipole-dipole forces, London dispersion forces exist between molecules and these depend on strength of electronegativity of molecule. Intermolecular forces of attraction decides the states of a matter.

Intermolecular forces of attraction is force of attraction that make two molecule come closer. Intermolecular forces of attraction is directly proportional to the electronegativity of the molecule.

Intermolecular forces of attraction play an important role in deciding the states of a matter. Nitrogen is a gas because its molecule have vanderwaal force of attraction. Water is a liquid because its molecule have hydrogen bonding.

Therefore, intermolecular forces of attraction decides the states of a matter.

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Absorbance (A) and   [tex][FeSCN2^{+}][/tex]  of the solution is 1.041

Transmittance=0.091

Absorbance (A) and  [tex][FeSCN2^{+}][/tex] of the solution  is calculated by:

A=-log( T), where T = 0.091

A=-log(0.091)

A=1.041

Absorbance (A) and   [tex][FeSCN2^{+}][/tex]  of the solution is 1.041

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Answer:

Ebony: sink, float

Gold: sink, sink

Corn oil: float, float

Explanation:

Higher density is heavier than lighter density

Taking into account the reaction stoichiometry, the correct answer is the third option: 1.25 grams of propane is necessary to react with 4.53 grams of oxygen.

In first place, the balanced reaction is:

C₃H₈ + 5 O₂ → 3 CO₂ + 4 H₂O

By reaction stoichiometry (that is, the relationship between the amount of reagents and products in a chemical reaction), the following amounts of moles of each compound participate in the reaction:

The molar mass of the compounds is:

Then, by reaction stoichiometry, the following mass quantities of each compound participate in the reaction:

The following rule of three can be applied: If by reaction stoichiometry 160 grams of O₂ react with 44 grams of C₃H₈, 4.53 grams of O₂ react with how much mass of C₃H₈?

mass of C₃H₈= (4.53 grams of O₂× 44 grams of C₃H₈)÷ 160 grams of O₂

mass of C₃H₈= 1.25 grams

Finally, 1.25 grams of C₃H₈ is required to react with 4.53 grams of O₂.

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Answer:C. 1.25 g C3H8

Explanation:…

Taking into account the definition of calorimetry, the correct answer is las option: the initial temperature of the copper piece is 364°C.

Calorimetry is the measurement and calculation of the amounts of heat exchanged by a body or a system.

Sensible heat is defined as the amount of heat that a body absorbs or releases without any changes in its physical state (phase change).

So, the equation that allows to calculate heat exchanges is:

Q = c×m×ΔT

where:

In this case, you know:

Replacing in the expression to calculate heat exchanges:

If two isolated bodies or systems exchange energy in the form of heat, the quantity received by one of them is equal to the quantity transferred by the other body. That is, the total energy exchanged remains constant, it is conserved.

Then, the heat that the copper gives up will be equal to the heat that the water receives. Therefore:

- Qcopper = + Qwater

- 0.39 J/gC × 240 g× (42 C - Initial temperature of copper)= 4.18 J/gC× 400 g× (42 C - 24 C)

Solving:

- 93.6 J/C× (42 C - Initial temperature of copper)= 30,096 J

- 93.6 J/C× 42 C- (- 93.6 J/C)× Initial temperature of copper= 30,096 J

- 3,931.2 J +93.6 J/C × Initial temperature of copper= 30,096 J

93.6 J/C × Initial temperature of copper= 30,096 J+ 3,931.2 J

93.6 J/C × Initial temperature of copper= 34,027.2  J

Initial temperature of copper=34,027.2  J÷ 93.6 J/C

Initial temperature of copper= 364 °C

Finally, the initial temperature of the copper is 364 °C.

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Answer:

the correct answer is 364

q = m * c * ΔT

where q is the heat absorbed or released, m is the mass of the substance, c is the specific heat capacity of the substance, and ΔT is the change in temperature.

We can assume that the heat lost by the copper is gained by the water, so:

q(copper) = -q(water)

where the negative sign indicates that the copper loses heat while the water gains heat.

The specific heat capacity of copper is 0.39 J/g °C, so:

q(copper) = 240.0 g * 0.39 J/g °C * (T(copper) - 24.0 °C)

The specific heat capacity of water is 4.18 J/g °C, so:

q(water) = 400.0 g * 4.18 J/g °C * (42.0 °C - T(copper))

Setting q(copper) equal to -q(water), we get:

240.0 g * 0.39 J/g °C * (T(copper) - 24.0 °C) = -400.0 g * 4.18 J/g °C * (T(copper) - 42.0 °C)

Simplifying and solving for T(copper), we get:

T(copper) = [(400.0 g * 4.18 J/g °C * 42.0 °C) + (240.0 g * 0.39 J/g °C * 24.0 °C)] / (240.0 g * 0.39 J/g °C + 400.0 g * 4.18 J/g °C)

T(copper) = 364.1 °C

Therefore, the initial temperature of the copper piece was 364.1 °C.

Hence, the answer is "364 °C".

When entering from the outside of a eukaryotic cell, an oxygen molecule must cross three phospholipid bilayers before being reduced by complex iv of the electron transport chain.

The mechanism through which ATP generation is linked to the flow of electrons through the mitochondrial electron transport chain and the subsequent consumption of oxygen is known as oxidative phosphorylation. It is the last phase of cellular respiration which occurs in the mitochondria. The electron transport system is found in the inner mitochondrial membrane and through a sequence of redox processes, electrons are moved from one member of the transport chain to another.

Therefore, we can conclude that during the electron transport chain, a molecule of oxygen must pass through three phospholipid bilayers, which are symbolized by the cell membrane and the external and internal membranes of the mitochondria.

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Since total volume is 1.00 L, the number of intelligencers is equal to molar attention.

The equilibrium constant K c = ( H 2)( I 2)( HI) 254.4 = x × x(0.0400 −2 x) 254.4 =( x(0.0400 −2 x)) 254.4 =( x(0.0400 −2 x))

Equilibrium

When a system is in equilibrium, neither its internal energy state nor its state of agitation tend to vary over time. If a simple mechanical body suffers neither direct acceleration nor angular acceleration, it is considered to be in equilibrium; unless disturbed by an external force, this state will last forever. Equilibrium exists for a single flyspeck if the vector sum of all forces acting on it is zero.

A rigid body is said to be in equilibrium if, in addition to the nations listed for the flyspeck over, the vector sum of all ropes acting on the body equals zero so that its state of rotational stir does not change. This is how a rigid body is distinguished from a flyspeck by having the property of extension.

When modest, externally motivated deportations from an equilibrium result in forces that have a tendency to oppose the deportation and bring the body or flyspeck back to the equilibrium state, the equilibrium is said to be stable.

Examples are a weight that is suspended from a spring or a slipup that is placed face down on a position face. If the least deviation results in forces that tend to promote relegation, the equilibrium is unstable. A balanced ball bearing serves as an example.

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Correct question -

calculate the concentrations of H2, H3−, 32− H− at equilibrium in a solution that was initially 0.10 m in 2 3. H2 3: K1?

Based on the information in this passage, the option that is a reasonable conclusion is option A- Scientists will never change the classification system again.

The term classification might refer to the process of classifying a final set of classes the process of allocating elements to pre-defined classes In the broad sense described above, classifying is a fundamental idea and a component of practically all types of activities.

As more and more new creatures are found, the new approach must be applied to classify them. To categorize species based on their shared traits, a new classification system is continually established.

From the passage, there have been a lot of changes made to the classification and the scientist have seen that the naming as well as classifying organisms is a tricky act and what they have done seems justified.

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See passage below

What’s in a Name?

(Lexile 670L)

Shakespeare wrote in Romeo and Juliet, “What’s in a name?

That which we call a rose by any other name would smell

as sweet.” He is saying that it doesn’t matter what we call

something. While it may not matter to fiction writers, names

are very important to scientists. Scientists need a way to

sort and classify groups of life forms. How scientists do

that has changed over time. As we learn more and more

about the world around us, classifications are updated.

2 As science learns more about the characteristics of organisms, we have gotten better at

classifying them. The most basic level of classification is prokaryote and eukaryote.

Prokaryotes are organisms that don’t have a nucleus. They also don’t have any other cell

structures surrounded by membranes. They are species of bacteria and archae. Eukaryote

cells have a nucleus and complex parts enclosed within membranes. The organisms that we

know by sight are all eukaryotes. They are animals, flowers, mushrooms, and protists.

3 A domain is the largest rank of organism. There are three domains: Eukarya, Bacteria, and

Archaea. Eukarya is the domain for all eukaryotes. These organisms have a cell nucleus and

a membrane that encloses a complex structure. Most of what we think of as “animals” are in

this domain. It includes all plants, fungi, and protists. Bacteria is the domain made of bacteria.

These prokaryotes include the oldest fossils on Earth.

Every living being on the planet falls into one of these three domains. All eukaryotes are a part

of the Eukarya domain. All bacteria are a part of the Bacteria domain. All of archaea fall into

the Archaea domain.

5 The next smallest rank of organism is kingdom. The eukaryotic kingdoms are: Animalia, Fungi,

Plantae, and Protista. The prokaryotic kingdoms are Eubacteria and Archaea. Organisms are

sorted into kingdoms based on how complex their cells are and how they obtain nutrients and

reproduce. Naming and classifying organisms is a tricky process. Scientists must make changes to keep

up with new discoveries and information. Knowing the basics can help you think like a scientist when you read about life science.

Based on the information in this passage, which of the following is a reasonable conclusion?

A- Scientists will never change the classification system again.

B- Scientists know everything there is to know about all organisms.

C-Scientists have never changed the classification system.

D-New scientific discoveries could change the current classification system.

The specific heat of this metal is 0.385  J/g ∘ C.

What is Specific heat?

The amount of heat needed to raise a substance's temperature by one degree Celsius in one gramme, also known as specific heat. Typically, calories as well as joules per gramme per degree Celsius are employed as the units of specific heat. For instance, water has a specific heat of 1 calorie (as well as 4.186 joules) per gramme per degree Celsius. The Scottish scientist Joseph Black, inside the 18th century, started to notice that equal masses of various substances needed various amounts of heat to raise people through the same temperature range, and, from in this observation, he founded this same concept of specific heat. Early in the 19th century, French physicists Pierre-Louis Uniformly as well as Alexis-Thérèse Petit proved that calculating a substance's atomic weight is possible by measuring its specific heat.

Given: m=2800g;△t=35 - 22 = 13C ;

Q=14,014 J

Now, Q=mc△t

14,014=2800×C×13

Specific heat capacity of the metal,

c = 14,014/2800x 13

​=0.385 J/g ∘C

Hence, the specific heat of this metal is 0.385  J/g ∘ C.

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There is nothing that can be done to cause the sub to sink to the bottom of the tub because the boat displaces more water than it weighs, it's already on its way down.

It is a common observation that there are some substances that are able to float in water. This implies that they have the ability to remain above water and be carried by the water from place to place.

We know that an object would float in water when the weight of the object is equal to the weight of water that is displaced by the object. If the objects tends to displace more water than it weighs, the object would sink in water.

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Missing parts:

expert that helps you learn core concepts.

See Answer

Here we have a toy submarine floating in a bathtub. It's a really fancy sub, made out of steel. The sub weighs one pound. When completely submerged, it displaces two pounds of water.

What could you do to cause the sub to sink to the bottom of the tub?

a)Add one pound of sand to the sub's interior.

b)Add one pound of sand to the sub's interior, plus a little more.

c)Nothing. Since the boat displaces more water than it weighs, it's already on its way down.

I know the answer is B but I cant figure out how to explain why with another example

The amount of heat energy required to heat 100 g of water from 80.0°C to 85.4°C is 2259.36J.

The amount of energy required to heat a substance can be calculated using the following formula:

Q = mc∆T

Where;

According to this question, 100 g of water is from 80.0°C to 85.4°C. The amount of heat energy can be calculated as follows:

Q = 100 × 4.184 × {85.4 - 80}

Q = 2259.36J

Therefore, 2259.36J is the amount of heat energy required to heat that amount of water.

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The chirality of center is c, d and e are chiral center

Chirality means that an object or molecule cannot be superimposed on its mirror image by any translations or rotations

According to given data the c is the attached to the carbon bonded to nitrogen and a dashed bond to CH₂ OPO₃ and a CH₂ bonded to a nitrogen so it is chiral center and then d  is a nitrogen bonded to a wedged bond to hydrogen a dashed bond to a carbon and two in plane bonds to two other unique carbons that's why d is also the chiral center and then e atom is a carbon with a wedged bond to a carbon a bond to nitrogen and an in plane bond to a carbonyl so e is also the chiral center of the given compound

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1870 kg = 1870000 g of ammonia

We first have to find out how many moles of ammonia that is. To do this, we divide the grams of ammonia by the molar mass of ammonia (17.031 grams/mole).

1870000/17.031 = 109799.7769 moles of ammonia

From the balanced equation, we know that 2 moles of ammonia will produce 1 mole of fertilizer. So to find out how many moles of fertilizer 109799.7769 moles of ammonia would produce, we multiply that number by the ratio of (1/2). (We always put what we want to find or figure out in the numerator)

109799.7769 x (1/2) = 54899.88844 moles of fertilizer

To convert this into grams, we must multiply 54899.88844 moles by the molar mass of (NH4)2SO4 which happens to be 132.14 grams/mole.

54899.88844 x 132.14 = 7254471.258 grams of fertilizer

This is just the theoretical yield to calculate the actual yield, we multiply this number by the percentage given in the question.

7254471.258 x 0.865 = 6275117.639 grams of actual fertilizer

If we round to 3 sig figs and convert it into kg, we get:

6280 kg of (NH4)2SO4

IV. Carol is pushing the cart from the main lobby to the garage

Work is defined as the force exerted on an object that cause the displacement of the object

The amount of work done can be derived from the product of the force and direction of displacement.

I.e W = F ×

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