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Alik [6]
2 years ago
7

Water is boiling in a clear pot, as shown in the picture. A clear pot full of water sits over gas burner. The water has large bu

bbles rising in the water. Which takes place as water cycles from the bottom of the pot toward the top? Thermal energy is transferred. Water molecules gain kinetic energy. Chemical energy is transferred. Water molecules gain thermal energy.
Chemistry
1 answer:
Schach [20]2 years ago
8 0

Transfer and gain of kinetic energy by the water molecules takes place as water cycles from the bottom of the pot toward the top.

<h3>What is thermal energy?</h3>

Thermal energy is a another word to express the heat energy.

When we boil a water over a gas burner then due to convention, heat energy can be transfer to the bottom water molecules in the form of thermal energy. After gaining the thermal energy movement of water molecules increases as a result of the increase of the kinetic energy.

Hence, option (1), (2) & (4) are correct i.e. transfer and gain of kinetic energy by the water molecules is done.

To know more about thermal energy, visit the below link:

brainly.com/question/19666326

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If a volume of gas 177.6mL was collected at a temperature of 25.8C and the pressure is 799.7 torr, what is the original concentr
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Answer:

The original concentration of the acid was 0.605 M

Explanation:

Step 1: Data given

Volume of gas = 177.6 mL = 0.1176 L

Temperature = 25.8 °C = 298.95 K

Pressure = 799.7 torr = 799.7/ 760 = 1.0522368 atm

Volume of acid needed to react = 12.6 mL = 0.0126 L

Step 2: Calculate moles

p*V = n*R*T

n = (p*V)/(R*T)

⇒with n = the number of moles = TO BE DETERMINED

⇒with p = the pressure of the gas = 799.7 torr = 1.0522368 atm

⇒with V = the volume of the gas = 177.6 mL = 0.1776 L

⇒with R = the gas constant = 0.08206 L*atm/mol*K

⇒with T = the temperature = 25.8 °C = 298.95 K

n = 0.007618 moles

Step 3: Calculate original concentration

We need 0.007618 moles of acid to react with the same amount of moles gas

Concentration acid = moles / volume

Concentration acid = 0.007618 moles / 0.0126 L

Concentration acid = 0.605 M

The original concentration of the acid was 0.605 M

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pishuonlain [190]

Answer:

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Explanation:

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