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nexus9112 [7]
3 years ago
10

Molecular motion is a measure of the movement of the molecules in a substance. Molecular motion is substantially different betwe

en the different states of matter. For example, the molecules in _______ move more than the molecules in _______.
Chemistry
2 answers:
Ainat [17]3 years ago
4 0
The answer would be "air, wood". Gases have the highest Kinetic energy and least Potential energy. Liquids have the 2nd highest Kinetic energy and 2nd least potential energy and solids have the least kinetic energy and highest potential energy.
cricket20 [7]3 years ago
4 0

Answer:

For example, the molecules in the gas phase move more than the molecules in the Liquid phase.

Explanation:

We have an explanation about molecular motion, this is a measurement of the movement of the molecules in a substance. Molecular motion is different between the different states of matter.

All molecules are in constant movement. Molecules in the liquid phase have more freedom of movement than those in solid material. Molecules in a gas phase have the greatest degree of motion.

It means Molecules in a gas move more than the molecules in Liquid. At the same time: Molecules in a liquid move more than the molecules in Solid.

Finally, we could conclude: the molecules in the gas phase move more than the molecules in the Liquid phase.

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5 0
3 years ago
What is the affect of increasing the water's mass?how does it reflect it's temperature?
Nikolay [14]
I assume what you're asking about is, how does the temperature changes when we increase water's mass, according the formula for heat ? 
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8 0
3 years ago
Propane is often used to heat homes. The combustion of propane follows the following reaction: C3H8(g) + 5O2(g)  3CO2 (g) + 4H
swat32

Answer:

To release 7563 kJ of heat, we need to burn 163.17 grams of propane

Explanation:

<u>Step 1</u>: Data given

C3H8 + 5O2 -----------> 3CO2 + 4H2O      ΔH° = –2044 kJ

This means every mole C3H8

Every mole of C3H8 produces 2044 kJ of heat when it burns (ΔH° is negative because it's an exothermic reaction)

<u>Step 2: </u>Calculate the number of moles to produce 7563 kJ of heat

1 mol = 2044 kJ

x mol = 7563 kJ

x = 7563/2044 =  3.70 moles

To produce 7563 kJ of heat we have to burn 3.70 moles of C3H8

<u>Step 3: </u>Calculate mass of propane

Mass propane = moles * Molar mass

Mass propane = 3.70 moles * 44.1 g/mol

Mass propane = 163.17 grams

To release 7563 kJ of heat, we need to burn 163.17 grams of propane

7 0
3 years ago
What is the difference between a homogeneous and a heterogeneous mixture?
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Answer and explanation :

DIFFERENCE BETWEEN HOMOGENEOUS AND HETEROGENEOUS MIXTURE :

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  • We can not pick out the component of homogeneous mixture but in heterogeneous mixture we can pick out the components from the mixture
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His classmates should be notified next
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3 years ago
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