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LuckyWell [14K]
2 years ago
5

What is the difference between Mixtures and Compounds? I am trying to study for my Science quiz on Tuesday, and I need to know t

he difference between the two. Also, my teacher used cake as an example, but I am confused on which one it is because if you just mixed it in a bowl, it would be a Mixture right? But if it's baked, it would be a compound right?
Chemistry
1 answer:
Deffense [45]2 years ago
8 0
A mixture can be separated.  Everything in a mixture keeps it's own properties and are not chemically joined together.  I am not completely sure about the compound.  Although with the cake example, the ingredients have been mixed and kind of "fused" together upon baking. Hope this helps a little. (P.S. trail mix is a good example of a mixture.)
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A chemistry student must write down in her lab notebook the concentration of a solution of potassium chloride. The concentration
DerKrebs [107]

Answer:

3.65 g / ml correct to 3 sig. fig.

Explanation:

The computation of the concentration required is shown below:

As we know that

[A] = mass of solute ÷ volume of solution

Before that first find the mass of solute

Given that

Initial weight = 5.55g

And,

Final weight = 92.7 g

So,

Mass of KCl is

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Now the KCi is fully dissolved, so the volume is 23.9 ml

So,  concentration is

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= 3.65 g / ml correct to 3 sig. fig.

6 0
3 years ago
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Answer:

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Explanation:

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Other values such as Temperature, Number of molecules are inversely proportional to the volume of the gas.

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7 0
3 years ago
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Answers-in-bold:

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Answer:

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from \: the \: equation \\ 1 \: mole \: of \: methane \: gives \: 1 \: mole \: of \: carbon \: dioxide \\ 7.4 \: moles \: of \: carbon \: dioxide \: will \: be \: given \: by \: (7.4 \times 1)moles \: of \: methane \\  = 7.4\: moles \: of \: methane \\  \\  since \: moles \: of \: oxygen \: double \: those \: of \: methane \\ moles \: of \: oxygen \:  = 7.4\times 2 \\  = 14.8 \: moles \: of \: oxygen

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2 years ago
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B or D but id say go with D

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2 years ago
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