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Mekhanik [1.2K]
3 years ago
14

In complete sentences, describe the behavior of a substance in each state of matter if placed in a closed container

Chemistry
1 answer:
Bezzdna [24]3 years ago
8 0

In a closed container the three states of matter would be solid, liquid and gas

Solid- The solid exists as a rigid solid and has fixed shape and volume. Strong inter molecular and intramuscular forces inhibit the solid from losing its shape and occupying the volume of container.

Liquid- It takes the shape of the container  but not the volume of the container. This means the kinetic energy is not large enough for the liquid to cover all the space inside the container.

Gas- The gas expands to take both the shape and volume of the container. This would explain why a balloon inflates when you blow air into it.

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Calculate the change in temperature (ΔT) that occurs when 8000 J of energy (q) is used to heat up a mass (m) of 75 g of water. (
pickupchik [31]

Answer:

The change in temperature that occurs when 8000 J of heat is used by a mass 75 g of water is 25.4 °C

Explanation:

H = mc ΔT

m = 75 g

c = 4. 200 J/ g °C

H = 8000 J

ΔT =?

Rearranging the formula, making ΔT the subject of formula;

ΔT = H / m c

ΔT = 8000 / 75 * 4.200

ΔT = 8000 / 315

ΔT = 25.4 °C

8 0
3 years ago
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How many particles are in the nucleus of an atom of fluorine-19?
svetoff [14.1K]

Answer:

9 protons, 10 neutrons, and 9 electrons.

Explanation:

The particles of the nucleus of an atom of Fluorine-19 is

9 protons, 10 neutrons, and 9 electrons.

4 0
2 years ago
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How many moles of propane gas would be present in 11 grams<br> of the gas at standard conditions?
Akimi4 [234]
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Since you have given (C3H8)=11 g
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o
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n
(
C
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.

In this question it is quite hard to explain the use of significant figures. Those are used to imply a certain inaccuracy. Not enough information is given by the question, as of how accurate the measurement is. It is a mere exercise of converting one property into another. Here you should not worry about it.
5 0
2 years ago
Which is a characteristic of a homogeneous mixture that is a liquid?
lorasvet [3.4K]
For one a homogenous mixture cannot be separated using filtration. Hope this helps:)
7 0
3 years ago
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HELP ASAP
arlik [135]

Answer:

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Explanation:

6 0
2 years ago
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