Rank protons, neutrons, and electrons according to their mass. Identify the charge of each and their location

The question is incomplete. Please read below to find the missing content.

The temperature will be  A) 637 K  (approx )

T = PV/nR  , Ideal gas equation

Pressure (P) = 1024 (torr) * 1 atm / 760(torr)

P = 1.35 atm

Volume = 11200ml * (1l/100ml)

             =11.2L

n = moles of nitogen = 0.300  mol

R = 0.0821 ( L- atm / mol.k)

Now put the values

 T = 1.35 ( atm) * 11.2 (L) / 0.300 (mol) * 0.0821 ( L- atm / mol* k)

 T = 15.12 / 0.0246 (1 / K)

    = 615 K

Temprature will be 637 k ( approx)

Thermal energy refers back to the electricity contained within a gadget that is responsible for its temperature. warmness is the flow of thermal energy. A whole department of physics, thermodynamics, deals with how warmth is transferred among exceptional systems and how work is completed within the system (see the 1ˢᵗ regulation of thermodynamics).

One Celsius degree is an interval of 1 k, and 0 tiers Celsius is 273.15 k. An interval of 1 Celsius diploma corresponds to a c language of 1.8 Fahrenheit ranges at the Fahrenheit temperature scale.

Temperature is operationally described as the amount measured by way of a thermometer. It is proportional to the common kinetic energy of atoms and molecules in a system. Thermal equilibrium happens when our bodies are in touch with every other and might freely exchange strength.

A balloon can be used to explain the ideal gas laws. This system has 0.300 mol of nitrogen gas at 1064 torr pressure and takes up 11200 mL volume. What is the temperature of the system

A) 637 K

B) 490 K

C) 157 K

D) 780 K

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The energy of 800 milimoles of photons is 1.38 * 10^-19 J.

We know that an electron can move from a lower to higher energy level according to the formula;

1/λ = RH(1/ni^2 - 1/nf^2)

RH = 1.097 * 10^7m-1

ni = 3

nf = 6

Thus;

1/λ = 1.097 * 10^7(1/3^2 - 1/6^2)

1/λ = 1.097 * 10^7(1/9 - 1/36)

1/λ = 1.097 * 10^7(0.11 - 0.03)

λ =1.14 * 10^-6 m

v = λf

f = v/λ

f = 3 * 10^8 m/s/1.14 * 10^-6 m

f = 2.6 * 10^14 Hz

Now

E = hf

E= 6.63 * 10^-34 * 2.6 * 10^14 Hz

E = 1.72 * 10^-19 J

Now;

1 mole of photons has 1.72 * 10^-19 J of energy

800 * 10^-3 moles of photons has 800 * 10^-3 moles * 1.72 * 10^-19 J/ 1 mole

= 1.38 * 10^-19 J

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The average kinetic energy of an oxygen molecule is K.E(avg) = 6.11×10^(-21) J.

According to the kinetic theory of gases, the average kinetic energy of a gas molecule is linearly proportional to the temperature of the gas. It is independent of the pressure of the gas.

The kinetic theory of gases is an easy, historically great classical version of the thermodynamic conduct of gases, with which many essential standards of thermodynamics had been established.

The model, referred to as the kinetic concept of gases, assumes that the molecules are very small relative to the gap among molecules. The molecules are in constant, random motion and frequently collide with every different and with the walls of any field.

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Your answer is 4 protons 4 electrons and 5 neutrons

When an electron in an atom absorbed a photon, the energy of the electron changed by 2.94 × 10⁻¹⁹. The frequency of the photon is 4.4 × 10¹⁴ Hertz .

To calculate the frequency of photon use the expression

E = hv

where,

E = Energy

h = Planck's Constant

v = frequency (Hz)

Put the value in above formula we get

E = hv

2.94 × 10⁻¹⁹ = 6.6 × 10⁻³⁴ × v

v = [tex]\frac{2.94 \times 10^{-19}\ J}{6.6 \times 10^{-34}}[/tex]

  = 0.44 × 10¹⁵

  = 4.4 × 10¹⁴

Thus from the above conclusion we can say that When an electron in an atom absorbed a photon, the energy of the electron changed by 2.94 × 10⁻¹⁹. The frequency of the photon is 4.4 × 10¹⁴ Hertz .

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The mass of nickel is 36.5g metal.

Ni+2AgNO3 → Ni(NO3)2+2Ag

21.5g Ni / 58.69g = 0.366mol Ni

Ag = 107.87

N i= 58.69

But, 2molAg per 1 mol Ni, so, change in mass is more like...

Twice as many moles Ag as Ni, and then the mass relationship is 107.87g Ag / 58.69, but due to the 2Ag: 1Ni mol ratio, the change in mass is like:

107.87(2) / 58.69 = 3.68 times increase

So, the final mass of Ag is 3.68x, and the change in mass of Ni is x

36.5=(21.5-x)+(3.68x)

Solve for x

x=5.597

3.68x=g Ag

3.68(5.597)=20.59

21.5 - x = g Ni after reaction

21.5 - 5.597 = 15.903g Ni

20.59g Ag + 15.903g Ni = 36.5g metal

The mass of nickel is 36.5g metal.

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Answer:

refer the above attachment

The empirical and molecular formulas will be  [tex]C_5H_5O_2[/tex] and  [tex]C_1_0H_1_0O_4[/tex] respectively.

The compound contains C, H, and O.

C = 61.15/12 = 5.0958

H = 5.3/1 = 5.3

O = 31.55/16 = 1.9719

Divide by the smallest

C = 2.6

H = 2.7

O = 1

Thus, the empirical formula is [tex]C_5H_5O_2[/tex]

Empirical formula mass = (12x5) + (1x5) + 16x2 = 97

n = 152.15/97 = 2

The molecular formula is [tex]C_1_0H_1_0O_4[/tex]

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Answer:

2 HClO₃ + Ca(OH)₂ ---> Ca(ClO₃)₂ + 2 H₂O

Explanation:

This is a double-displacement reaction. In these reactions, the cation of one molecule swaps with the cation of another.

In this case, the hydrogen cation (H⁺) from HClO₃ swaps with the calcium cation (Ca²⁺) of Ca(OH)₂. When writing the products, keep the charges of the ions in mind. The products must be neutral, so some will need to have more than 1 cation/anion.

The unbalanced equation:

HClO₃ + Ca(OH)₂ ---> Ca(ClO₃)₂ + H₂O

Reactants: 3 hydrogen, 1 chlorine, 5 oxygen, 1 calcium

Products: 2 hydrogen, 2 chlorine, 7 oxygen, 1 calcium

The balanced equation:

2 HClO₃ + Ca(OH)₂ ---> Ca(ClO₃)₂ + 2 H₂O

Reactants: 4 hydrogen, 2 chlorine, 8 oxygen, 1 calcium

Products: 4 hydrogen, 2 chlorine, 8 oxygen, 1 calcium

This means the molar mass of CH is

[tex]12.011+1.00794=13.01894 \text{ g/mol}[/tex]

Dividing the given molar mass by this,[tex]\frac{104.1}{13.01894} \approx 8[/tex]

This means the molecular formula is [tex]\boxed{\text{C}_{8}\text{H}_{8}}[/tex]

Answer:

Explanation:

There are many observations, but the three that stand out for me are:

The ammonium iodide solution is converted into a buffer by the addition of ammonia (NH₃).

The given solution contains 0.21 M ammonium iodide (NH₄I). This is a salt of a weak base(NH₃) and a strong acid(HI).

NH₄I(s) → NH₃(g) + HI(g)

Where the salt is ionic. So, in aqueous solution it dissociates into NH₄⁺ and I⁻

The ammonium ion NH₄⁺ is the conjugate acid of the weak base NH₃.

So, the mixture of this weak base NH₃ and its conjugate acid NH₄⁺ converts the solution into a buffer.

Therefore, one liter of the given solution could be converted into a buffer by the addition of a weak base NH₃.

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Explanation:

chemical energy electric energy light energy heat energy

When a person turns on a lightbulb by connecting its circuit to a battery, several energy transformations occur. There are  three types of energy transformations involved in the process.

1. Electrical to Light Energy:

When the circuit is completed by connecting the lightbulb to the battery, electrical energy from the battery flows through the circuit and enters the lightbulb. Inside the lightbulb, this electrical energy is transformed into light energy. The lightbulb contains a filament that heats up due to the flow of electricity, causing it to emit light. Therefore, electrical energy is transformed into light energy in this process.

2. Chemical to Electrical Energy:

The battery stores chemical energy, which is converted into electrical energy when the circuit is closed. Inside the battery, chemical reactions occur, generating a flow of electrons. These electrons create an electric current, which then travels through the circuit and powers the lightbulb. So, in this step, chemical energy from the battery is transformed into electrical energy.

3. Chemical to Heat Energy:

As electrical energy passes through the filament in the light bulb, some of it is converted into heat energy. The resistance of the filament causes it to heat up, and this heat energy is released into the surroundings. This is why a light bulb feels warm when it has been turned on for some time. Thus, in this step, electrical energy is transformed into heat energy.

Thus,electrical energy from the battery is transformed into light energy in the light bulb. Chemical energy in the battery is converted into electrical energy to power the lightbulb. Electrical energy passing through the light bulb's filament is transformed into heat energy.

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The particles in solids are not free to move because of strong attractive forces while gases are in constant random motion.

Solids are composed of particles which are arranged in a definite pattern.

The forces of attraction between the particles are strong and the particles are not free to move.

Solids have definite volume and shapes.

Gases are composed of particles which are in constant random motion and whose forces of attraction between the particles are weak.

Therefore, the particles in solids are not free to move because of strong attractive forces while gases are in constant random motion.

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For a typical person who leads a sedentary lifestyle, a typical maximum oxygen intake level would be B. 35 ml/kg/min.

A sedentary lifestyle is a lifestyle type characterized by abundant sedentary behaviors. People who live a sedentary life often sit or lie down for most of the day in activities such as socializing, watching TV, playing video games, reading books, and using mobile phones and computers.

A sedentary lifestyle can lead to high blood pressure, low cholesterol, and elevated blood sugar levels, which damage the walls of blood vessels and increase the risk of a heart attack.

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Answer:

1. 0.35 moles NaOH

2. [tex]5.10x10^{-4}[/tex] moles [tex]H_2SO_4[/tex]

3. 505.4 g Pb

4. 1.46 g HCl (if that is wrong it's 1.5 g HCl due to sig figs)

5. [tex]3.01x10^{23}[/tex] atoms of Ag

6. [tex]2x10^{-10}[/tex] atoms of Cu

Explanation:

1. The mass of NaOH is 40g. 22.99(Na)+16(O)+1.01(H)=40 g

14 g NaOH *[tex]\frac{1 mol NaOH}{40 g NaOH}[/tex] = 0.35 moles of NaOH

2. Mass of [tex]H_{2} SO_{4} = 2(1.01)+32.06+4(16) = 98.08[/tex]

0.05 g [tex]H_2SO_4[/tex] ×[tex]\frac{1 mol H_2SO_4}{98.08g H_2SO_4} = 5.10 x10^{-4}[/tex]

3. mass of Pb = 106.4 g

4.75 moles Pb×[tex]\frac{106.4 g Pb}{1 mol Pb} =505.4 g Pb[/tex]

4. mass of HCl = 1.01 +35.45 = 36.36 g

0.04 mol HCl x [tex]\frac{36.46 g HCl}{1 mol HCl} = 1.456 = 1.5[/tex]

5. 5.00 mol Ag x[tex]\frac{6.022x10^{23} atoms }{1mol Ag} = 3.01x10^{24} atoms[/tex]

6. [tex]3x10^{-10} moles[/tex] Cu x[tex]\frac{6.022x10^{23} atoms}{1 mol Cu} = 1.8668x10^{14}= 2x10^{14}[/tex] atoms of Cu

The law of conservation of mass say that, in a chemical reaction, the mass of the reagents will always be equal to the mass of the products. This is shown in the reaction given below.

Answer:

The law of conservation of mass states that mass in an isolated system is neither created nor destroyed by chemical reactions or physical transformations. According to the law of conservation of mass, the mass of the products in a chemical reaction must equal the mass of the reactants.

Explanation:

During a chemical reaction, atoms are neither created nor destroyed. The atoms of the reactants are just rearranged to form products. Hence, there is no change in m

Answer:

1.3×10−39ms−1

Explanation:

The amount of silver chromate that precipitates after addition of solutions is 12.44 g.

Number of moles:

The number of moles is the product of molarity of the solution and its volume. The formula is expressed as:

Moles = Molarity x Volume

Calculations:

Step 1:

The molecular formula of silver nitrate is AgNO3. The number of moles of silver nitrate is calculated as:

Moles of AgNO3 = 0.500 M x (150/1000) L

= 0.075 mol

Step 2:

The molecular formula potassium chromate is K2CrO4. The number of moles of potassium chromate is calculated as:

Moles of K2CrO4 = 0.400 M x (100/1000) L

= 0.04 mol

Step 3:

The balanced chemical reaction between AgNO3 and K2CrO4 is:

2AgNO3 + K2CrO4 -----> Ag2CrO4 + 2KNO3

The required number of moles of K2CrO4 = 0.075 mol/2 = 0.0375 mol

The given number of moles of K2CrO4 (0.04 mol) is more than the required number of moles (0.0375 mol). Therefore, AgNO3 is the limiting reagent.

Step 4:

According to the reaction, the molar ratio between AgNO3 and Ag2CrO4 is 2:1. Hence, the number of moles of Ag2CrO4 formed is 0.0375 mol.

The molar mass of Ag2CrO4 is 331.74 g/mol.

The mass of Ag2CrO4 is calculated as:

Mass = 0.0375 mol x 331.74 g/mol

= 12.44 g

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Answer:

because molten sodium gives electricity too choloride

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The compound that does not conform to the law of constant proportion law is is CO2 whose ratio by mass ought to be 8:3 and not 3:4.

The law of constant proportions portrays the ideas that the composition of a pure sample of a substances has a fixed composition by mass.

Following the law of constant proportion, the compound that does not conform to this law is is CO2 whose ratio by mass ought to be 8:3 and not 3:4.

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Answer:

your cool

Explanation:

Answer:

See below

Explanation:Plot the known concentrations and adsorbance data.  Draw a best fit line through thwe points.  When the absorbance of a solution of unknown concentration (but same substance) is determined, find the concentration from the line at that absorption value.  See attached graph.

E.g., an sample of the same substance had an absorbance of 0.35.  Find that on the x scale and then determine the concentration that would be required to produce that level of absorbance.  0.483M in this case.

The new pressure, P₂ is 6000 atm.

Given,

P₁ = 1.5 atm

V₁ = 40 L = 40,000 mL

V₂ = 10 mL

To calculate,

P₂ =?

Boyle's law is applied here.

According to Boyle's law, at constant temperature, a gas's volume changes inversely with applied pressure.

                                        PV = constant

Therefore,

P₁V₁ = P₂V₂

Put the above values in the equation,

1.5 × 40,000 = P₂ × 10

P₂  = 1.5 × 4000

P₂  = 6000 atm

Therefore, the new pressure, P₂ is 6000 atm.

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The formula that connects Ka1, Ka2, and Ka3 is the relation;

Ka = Ka1 * Ka2 *  Ka3

The Ka is defined as the acid dissociation constant of a solution. Now we have the triprotic acid called phosphoric acid. this implies that we have Ka1, Ka2, and Ka3.

Thus the formula that connects Ka1, Ka2, and Ka3 is the relation;

Ka = Ka1 * Ka2 *  Ka3

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Answer:

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The half-life of a compound is 76 years for 42% of a given sample of the compound decomposes in 60 minutes.

The rate law for first order kinetics is

k = [tex]\frac{2.303}{t}log\frac{a}{a-x}[/tex]

Where

k - rate constant

t - time passed by the sample

a - initial amount of the reactant

a-x - amount left after the decay process

The expression for the half-life of the compound is

[tex]t_{\frac{1}{2} }=\frac{0.693}{k}[/tex]

Where k is the rate constant

It is given that

t = 60 minutes

a = 100 g

a-x = 100 g - 42 g = 58 g

(Since it is given that 42% of the given compound decomposes)

Then,

k = [tex]\frac{2.303}{60}log\frac{100}{58}[/tex]

  = 9.08 × [tex]10^{-3}[/tex] [tex]years^{-1}[/tex]

Then, the half-life of the compound is

[tex]t_{\frac{1}{2} }=\frac{0.693}{k}[/tex]

    = [tex]\frac{0.693}{9.08*10^{-3} }[/tex]

    = 76.3 years ≅ 76 years

Therefore, the half-life of the given compound is 76 years.

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Answer: The concentration of the diluted solution is 1.566M.

Explanation:

The dilution equation is presented as this: [tex]M_{s} V_{s} =M_{d} V_{d}[/tex].

·M= molarity (labeled as M)

·V= volume (labeled as L)

·s= stock solution (what you started with)

·d= diluted solution (what you have after)

Now that we know what each part of the formula symbolizes, we can plug in our data.

[tex]11.6M*13.5mL=M_{d} *100mL[/tex]

We cannot leave it like this because the volumes must be in Liters, not milliliters. To convert this, we divide the milliliters by 1000.

[tex]13.5mL/1000=0.0135L[/tex]     [tex]100mL/1000=0.1L[/tex]

Now that we have the conversions, let's plug them into the equation.

[tex]11.6M*0.0135L=M_{d} *0.1L[/tex]

The only thing that we need to do now is actually solving the answer.

[tex]M_{d} =\frac{11.6M*0.0135L}{0.1L}[/tex]       [tex]M_{d} =1.566M[/tex]

From the work shown above, the answer is 1.566M.

I hope this helps!! Pls mark brainliest :)

The value of the heat of combustion (H) that is calculated here is a chemical property.

The heat of combustion is the energy that is given up when a substance is burnt in a calorimeter. The heat of combustion is often measured by the use of a calorimeter.

Hence, the value of the heat of combustion (H) that is calculated here is a chemical property.

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Precautions to observe when hosing rubber:

Before attaching the rubber hosing to the side-arm Erlenmeyer flask it should be "higher than one centimeter" to a universal stand to prevent tipping.

Erlenmeyer flask:

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