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emmasim [6.3K]
3 years ago
11

Match the following terms with their definitions:

Chemistry
2 answers:
pogonyaev3 years ago
7 0

Explanation:

A mixture is defined as a substance in which two or more components are mixed together. Components in a mixture do not chemically combine together.

For example, sugar in water.

When solute particles completely and evenly mixed in a solvent then it is known as a homogeneous mixture. A homogeneous mixture is also known as a solution. For example, salt in water.

When solute particles are not evenly mixed in a solvent then it is known as a heterogeneous solution. For example, sand in water.

A compound is a substance in which two or more atoms are chemically combined together in a fixed ratio by mass. For example, CaCl_{2} is a compound.

Thus, we can conclude that given terms with their definitions are matched as follows.

1. Matter that is physically combined; has two forms of itself (homogeneous and heterogeneous) - Mixture.

2. A substance that that has uniform composition of two or more substances that cannot be seen - homogeneous mixture.

3. A substance that that has non-uniform composition of two or more substances that can be seen - heterogeneous mixture.

4. Substance composed of two or more elements bonded in a certain ratio by mass - Compound.

5. An example of a homogeneous mixture in a liquid form - solution.

stepan [7]3 years ago
6 0
Hi,

Homogeneous mixture 2
Heterogeneous 3
Mixture 1
Solution 5
Compound 4
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Mnenie [13.5K]

Answer:

it should be the second one since London dispersion causes interaction between molecules.

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What is the volume in liters of 3.80 moles of CO2gas at STP?
pantera1 [17]

Answer:

V = 85.2

Explanation:

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Considering what we know about STP, we get the moles, temperature, and pressure. Using the ideal gas law we can find the volume (PV = nRT). Plug in our variables: (1 * V = 3.80 * R * 273). Since we are dealing with atm and not kPA or mmHg, we use the constant for atm (0.0821) which we use for R. (So.. now our equation is 1 * V = 3.80 * 0.0821 * 273). We now multiply the right side to get 85.17054. So... V = 85.2 considering sigificant figures (this is the part where I am the least sure of, since I havent done sig figs in a while)

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Answer:

A

Explanation:

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