What is 0.0000000652 in scientific notation?

Answers

Answer 1

Answer:

it denotes 6.52× 10⁸ in scientific notation

Answer 2
The answer is 6.56x10^8

Related Questions

An object measures 6.2cm x 13.7cm x 26.9cm. Which value is the length of the object?

Answers

Answer:

Explanation:

The length is usually the longest side.

That would mean that 26.9 is the length.

15 x 10^2) + (5.2 x 10^5)

Answers

Explanation:

(15 × 10^2) =1500.

(5.2 ×10^5)=520000.

(1500)+(520000).

=518500 .

A gas absorbs 10J of heat and is simultaneously
compressed by a const and external pressure
of 0.5 atm from 4L to 2L in volume What
is the change in the internal energy.
A. 101J b. 111J c.2J d. none of the above​

Answers

Given :

Heat absorbs , Q = 10 J .

Pressure , [tex]P=0.5 \ atm =0.5\times 101325\ Pa[/tex]

Initial volume , [tex]V_i=4\ L[/tex] .

Final volume , [tex]V_f=2\ L[/tex] .

To Find :

The change in the internal energy .

Solution :

By first law of thermodynamics :

[tex]\Delta U=Q+W[/tex]

Here , W is work done , [tex]W=-P\Delta V=-P\times (V_f-V_i)[/tex]

Therefore,

[tex]\Delta U=Q-P(V_f-V_i)[/tex]

Putting values in SI units in above equation :

[tex]\Delta U=10 -(0.5\times 101325\times (2-4)\times 10^{-3})\\\\\Delta U=111\ J[/tex]

Therefore , option b. is correct .

Hence , this is the required solution .

Why can't scientific method always be used to solve social, political, ethical, and economic problems?

Answers

Answer:

In fact, science helps a lot for social, political, ethical, and economic problems. Your question is just to deny that science is not helping your life and you have no evidence to support what you say.

Explanation:

For the reaction: CO(g) + H2O(g) ⇌ CO2(g) + H2(g) the value of Kc is 1.845 at a specific temperature. We place 0.500mol CO and 0.500mol H2O in a 1.00L container at this temperature and allow the reaction to reach equilibrium. Determine the equilibrium concentration of all species present in the container.

Answers

Answer:

Explanation:

In the equilibrium:

CO(g) + H₂O(g) ⇄ CO₂(g) + H₂(g)

Kc is:

Kc = 1.845 = [CO₂] [H₂] / [CO] [H₂O]

Where [] are equilibrium concentrations of each species

Initial concentrations:

[CO] = 0.500mol / 1.00L = 0.500M

[H₂O] = 0.500mol / 1.00L = 0.500M

In equilibrium, concentrations will be:

[CO] = 0.500M - X

[H₂O] = 0.500M - X

[CO₂] = X

[H₂] = X

Where X is reaction coordinate. The amount of reactant that reacts producing products.

Replacing in Kc expression:

1.845 = [CO₂] [H₂] / [CO] [H₂O]

1.845 = [X] [X] / [0.500M - X] [0.500M - X]

1.845 = X² / X² - X + 0.25

1.845X² - 1.845X + 0.46125 = X²

0.845X² - 1.845X + 0.46125 = 0

Solving for X:

X = 0.288M; Right solution

X = 1.9M; False solution: Produce negative concentrations.

Replacing, equilibrium concentrations are:

[CO] = 0.500M - X = 0.212M

[H₂O] = 0.500M - X = 0.212M

[CO₂] = X = 0.288M

[H₂] = X = 0.288M

Which of these describes a natural phenomenon or relationship that always occurs under specific conditions a) theory b) law Group of answer choices

Answers

Answer:

B). Law

Explanation:

A law is defined as the statement of an observed order, sequence, or relationship of a natural phenomenon which is invariable or always true under certain specific conditions while the theory is characterized as the explanation of this observed phenomenon and prediction of the new facts or phenomenon which was previously not observed to set out the new laws or principles of something. Thus, the theory is the base for the formation of law and hence, option B is the correct answer.

use the density formula to solve the following problems. a sample of a substance has a volume of 60.5mL and a density of 1.20mL. What is the mass of the sample?

Answers

Answer:

mass of substance =50.4 g

Explanation:

Using the density formula;

Density = mass of substance / volume of substance

Therefore, making mass subject of the density formula,

mass of substance = volume of substance / density of substance

volume  of substance = 60.5 mL, density = 1.20 g/mL ( since common units of density is either g/cm³ or g/mL)

mass of the substance = 60.5 mL / 1.20 g/mL

mass of substance = 50.4 g

which part of potato plant stores food?

Answers

Answer:

Explanation:

The answer is rooot ok

the food is prepared in the form of starch in potato and ginger plants the food is stored in the Ender Ground Park gender and potato or underground stems while potato is a tuber Ginger is a rhizome in the food is stored in them in the form of starch so it is prepared in the leaves.

A true statement about mass is that
A. as the force of Earth's gravity on an object increases the object's mass increases.
B. mass is expressed in pounds
C. mass if often measured with a spring scale. D. mass is determined by comparing the mass of an object with a set of standard masses tha catalanse​

Answers

Answer:

d

Explanation:

A: mass never increases or decreases. It is a value that is the same everywhere in the universe. A is not correct.

B: it can be but that is not the only unit that can be used

C: A spring scale measures force not mass.

D: The answer to this question is D if the word at the end is balance.

Classify the following changes as physical or chemical changes. a. Water boils. b. Salt dissolves in water c. Milk turns sour d. A metal rusts.

Answers

Answer:

Water boils - physical change

Salt dissolves in water- chemical change

Milk turns sour- chemical change

metal rusts - chemical change

Explanation:

A chemical change refers to changes that are irreversible and the process involves the evolution of heat along with the formation of a new substance, examples include;Salt dissolves in water, Milk turns sour, metal rusts etc

The boiling of water is a physical change. The water can be cooled and the vapour condensed,hence, the boiling of water is a physical change.

Physical changes are easily reversible and no new substance is formed.

the valency of metal 'm' 1+. give the formula of its oxide​

Answers

Answer:

[tex]M_{2}O[/tex]

Explanation:

Anything oxide is a compound with oxygen, and since oxygen is -2, it requires two of the metal's +1 to make it zero

In other words:

2(+1) + (-1) = 0

What is a molecular orbital? Question 3 options: Another method of describing the orbitals of individual atoms A mixing of the atomic orbitals from an atom’s inner-most shell with those of the valence shell An area around a molecule that describes a region of space where the electrons that are shared between bonded atoms can reside A mixing of the atomic orbitals from an atom’s valence shell

Answers

Answer:

An area around a molecule that describes a region of space where the electrons that are shared between bonded atoms can reside

Explanation:

A molecular orbital is an area around a molecule that describes a region of space where the electrons that are shared between bonded atoms can reside.

Molecular orbitals are formed by linear combination of atomic orbitals of about the same energy. The number of atomic orbitals that are combined to give molecular orbitals is the same as the number of molecular orbitals formed. The build up of electrons in molecular orbitals also follow the Aufbau principle, Hund's rule and Pauli exclusion principle.

Which of the following is not a step of the scientific method ?
A)Testing the hypothesis by experiments
B)making observations that lead to a question
C)forming a hypothesis to answer the question
D)changing the data to fit your hypothesis

Answers

Answer:

b

Explanation:

The correct statement here is making observations that lead to a question.The scientific method can be regarded as empirical method involving acquiring of  knowledge . It entails careful observation as well as application of  rigorous skepticism concerning things that has been observed, even though cognitive assumptions can bring about distortion of how one is able to interprets what is observed.It entails;Testing of the hypothesis using the experiments.Formation of those hypothesis to give answer to the questionSometimes changing of data so as to fit the hypothesis.

Note that : Hypothesis can be regarded as proposed explanation needed for a phenomenon.

The steps involves in scientific method are:

Making of observation about the topic that is needed to study. this is necessary

Asking of particular question ; once once background information has been gained about the topic then question needs to be asked and here hypothesis is formed by researcher, which gives relationship between variables.

Testing of hypothesis and data collection, in this step the hunch is been put to test and use different method to collect needed data.

Examination of result and drawing of conclusion.  Once study has been designed by researcher and data has been collected it is time to examine those information and draw a conclusion.

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How could the survivors about starting a fire?
What is fire?Describe it.
What makes a fire hot?​

Answers

Answer:

The ancient Greeks believed that fire was one the four basic elements that composed all things in the universe. In the mythology of virtually every culture, fire is a sacred substance that gives life or power. Fire is not, in fact, a substance. When you gaze at the leaping flames of a campfire, you’re observing not an object, but a process – a chemical reaction. It’s the same chemical reaction that occurs when a cut apple left on the counter turns brown, when silver tarnishes or when an iron nail rusts.

That process is oxidation: combining oxygen with another substance. The defining difference between a fire and your half-eaten apple is speed: fire is an oxidation process that happens very fast, so that light, heat and sound are released — often with enough force and majesty to justify the ancients’ reverence.The sudden release of energy causes temperatures to rise, sometimes by thousands of degrees. And it also results in smoke, the toxic waste of fire’s leftovers.

The fire triangle and the fire tetrahedron

Fire TetrahedronThe fire triangle identifies the three needed components of fire:

fuel (something that will burn)

heat (enough to make the fuel burn)

and air (oxygen)

Explanation: i hope this helps sry its long

Why was lake Lenore chosen

Answers

Answer:

Dude just watch the video

Explanation:

Which best explains how fiber-optic technology benefits the field of medicine?
O It allows doctors to view internal body structures to help them diagnose illnesses.
O It helps surgeons make more accurate repairs to broken blood vessels.
O It allows doctors to magnify cells so they can identify unhealthy cells that cause cancer.
O It helps surgeons make cuts that are smaller and less painful than traditional methods.

Answers

Answer:

A. It allows doctors to view internal body structures to help them diagnose illness.

Explanation:

The statement, that describes fiber-optic technology benefits the field of medicine is "it allows doctors to view internal body structures to help them diagnose illnesses."

What is fiber-optic technology?

Fiber optics is a technology that transmits information as light pulses across great distances using strands of glass or plastic fibre. Fiber-optic cables use light pulses that travel quickly to convey data.

Internal organs and tissue can be viewed through bodily orifices because to the flexible yet hard multi-fibers. Endoscopes are used by doctors to explore symptoms such as nausea and gastrointestinal pain, confirm diagnosis through biopsies, and provide medical therapy.

Medical fibre optics are an important medical technology that is employed in a variety of medical professions. They are chemically inert, sterile, malleable, and non-toxic to the human body. Fiber optic technology enables surgeons to repair organs, diagnose joint problems, and remove sick tissues, resulting in a faster recovery period for the patient than more intrusive surgical approaches.

Hence the correct answer is it allows doctors to view internal body structures to help them diagnose illnesses.

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what tool would a scientist use to study fish eggs

Answers

Answer

1. Magnifier glass.

2. Ruler.

3. Scale.

Explanation:

1. To look and enspect the fish egg's.

2. To see how long and tall the fish egg's are.

3. To weight how heavey the fish egg's are.

Magnifier glass, scale, and ruler tools would a scientist use to study fish eggs  

 To look and inspect the fish egg's scientists will use the magnifier glass . To see how long and tall the fish's eggs are, scientists will use scale. To measure the weight of the fish eggs, scientists will use a ruler.

Hence, Magnifier glass, scale, and ruler tools would a scientist use to study fish eggs.

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An object with a negative acceleration could NEVER have a positive velocity. a. TRUE b. FALSE

Answers

Answer:false

Explanation:

Find 6 examples of where chemistry and agriculture work together

Answers

Answer:

Chemistry deals with compounds, both organic and inorganic, and agriculture deals with the production of organic products using both organic and inorganic inputs Thus Chemistry forms an integral part of agriculture from molecular to organ level.

Explanation:

i hope this helps you! Have a nice day <33

Answerfcsdv fb fd

Explanation:

In a chemical processing plant, a reaction chamber of fixed volume V0 is connected to a reservoir chamber of fixed volume 4V0 by a passage containing a thermally insulating porous plug. The plug permits the chambers to be at different temperatures. The plug allows gas to pass from either chamber to the other, ensuring that the pressure is the same in both. At one point in the processing, both chambers contain gas at a pressure of 1.00 atm and a temperature of 27.0°C. Intake and exhaust valves to the pair of chambers are closed. The reservoir is maintained at 27.0°C while the reaction chamber is heated to 400°C. What is the pressure in both chambers after that is done? 50. Why is the following situation impossible?

Answers

Answer:

Explanation:

The two chambers are at temperature of 27° and pressure of 1 atm . Now temperature of second chamber is increased to 400°C so its pressure will be increased but pressure of chamber whose temperature remains at 27°C will remain unaltered . Hence the pressure of chamber at 27°C will be at 1 atm.

The volume of second chamber is 4 V₀ , temperature changed from 27 + 273  = 300 k to 400 + 273 = 673 K , initial pressure was 1 atm . Let final pressure be P

From gas law  formula

1 x 4 V₀ / 300 = P x  4 V₀ / 673

P = 1 x 673 / 300

= 2.24 atm .

The pressure of the chamber at 400°C  will be 2.24 atm.

   

When a change in a physical property is observed, Select the correct answer below: it could be because of a physical change. it must be because of a chemical change. it must be because of a chemical change and a physical change. it could be caused by a change that is considered both physical and chemical.

Answers

Answer:

It could be because of a physical change.

Explanation:

A physical change affects a substance's physical properties, and a chemical change affects its chemical properties.

iron is a metal that rusts in the presence of oxygen and water. mild steel is used for ...1... and is prevented from rusting by ...2...chemistry igcse

Answers

Answer and Explanation:

Used as a construction frame material and for bending metal works because they are rigid and strong.Galvanising or coating the surface would prevent rusting.

N.B.: Mild steel is steel that has low carbon content, also called carbon steel.

I hope this explanation was helpful.

Answer:

car bodiespainting

Explanation:

Mild steel is used in making car body parts because it is malleablePainting mild steel prevents moisture and oxygen from reaching the metal

can anyone do these problems? ​

Answers

Answer:

-76

296

228

603

485

Explanation:

Subtract 273 to 200 to get -76

add 273 to 23 to get 296

add 273 to -45 to get 228

subtract 273 to 876 to get 603

add 273 to 212 to get 485

Where is altitude measured in meters? How did this affect the MD-11?

Answers

Answer:

China, Mongolia, Russia, and North Korea. They were told to fly at 1400 meters but they flew at 1500 feet making them crash.

Explanation:

_________ is the mechanical separation of a mixture based upon the sizes of the mixtures components.

Answers

Answer:

Sieving

Explanation:

Sieving is a mechanical separation technique which depends on the relative sizes of particles in the mixture.

A mesh is used to discriminate between particle sizes. Particles in the mixture which are larger than the mesh size do not pass through the sieve, hence particles whose size is less than that of the mesh are separated from the rest of the particles in the mixture.

What do models of molecules and extended structures show?

Answers

Answer:

Examples of extended structures could include sodium chloride or diamonds. Examples of molecular-level models could include drawings, 3D ball and stick structures, or computer representations showing different molecules with different types of atoms. ... Examples of models could include drawing and diagrams

Explanation:

What keep forest fries burning so long?

Why do some forest fires get so large?

Why are the forest fires large some years and not other years.

Why are California forest fires getting worse?​

Answers

Answer:

1. The warming climate has dried out California's landscape, turning it into a tinderbox. ... This is due in part to climate change: rising temperatures, have an exponential impact when it comes to setting the stage for catastrophic wildfires,

2. Due to the heat and temperature of the place and if the place is very dry.

3. It all depends on the weather. At times there can be less rain whereas at time there is a lot of rain or how much heat it is outside within years

4. Well California is really hot during the summer and it becomes really dry so that is the reason forest fires are getting worse

What structures are present in a animal cell but not in a plant cell?

Answers

Animal cells each have a centrosome and lysosomes, whereas plant cells do not. Plant cells have a cell wall, chloroplasts and other specialized plastids, and a large central vacuole, whereas animal cells do not.

Animal cells have centrosome and lysosomes

The accepted value for the molar volume of a gas is 22.4 L. Sarah’s experimental data indicated that a mole of a gas had a volume of 19.6L. What was her percent error?

Answers

Answer:

12.5%.

Explanation:

The following data were obtained from the question:

Accepted value = 22.4 L

Experimental value = 19.6L

Percentage error =.?

Percentage error can be obtained by using the following formula:

Percentage error = |Experimental value – Actual value | / actual value × 100

Percentage error = |19.6 – 22.4|/22.4 × 100

Percentage error = 2.8 /22.4 × 100

Percentage error = 280/22.4

Percentage error = 12.5%

Therefore, the percentage error of Sarah is 12.5%

The least abundant gas in the air is
a. Xenon, Xe
b. Oxygen, O2
c. Water, H2O
d. Nitrogen, N2

Answers

Answer:

A.

Explanation:

Two or more than two atoms with different physical or chemical properties can not combine together to form an element. Xenon(Xe ) is the least abundant element on the earth. The correct option is option A.

What is element?

Element generally consist of atoms or we can atoms combine to form element. Atoms of an element is always same, means all the properties of all atoms of one type of element is same.

Oxygen, water, and nitrogen are the most abundant molecule on the earth. Xenon is the least abundant amongst all given option. Xenon belongs to noble gas family. So, Xenon is not reactive at all.  Xenon does not form any compound with any other element so its abundance on earth is very less.

Therefore,  Xenon(Xe ) is the least abundant element on the earth. The correct option is option A.

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