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swat32
3 years ago
10

Do solids have spaces between their particles?

Chemistry
1 answer:
telo118 [61]3 years ago
7 0

Answer:

yes

Explanation:

there are still some space in between them

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Calculate the freezing point (in degrees C) of a solution made by dissolving 7.99 g of anthracene{C14H10} in 79 g of benzene. Th
mario62 [17]

<u>Answer:</u> The freezing point of solution is 2.6°C

<u>Explanation:</u>

To calculate the depression in freezing point, we use the equation:

\Delta T_f=iK_fm

Or,

\Delta T_f=i\times K_f\times \frac{m_{solute}\times 1000}{M_{solute}\times W_{solvent}\text{ in grams}}

where,

\Delta T_f = \text{Freezing point of pure solution}-\text{Freezing point of solution}

Freezing point of pure solution = 5.5°C

i = Vant hoff factor = 1 (For non-electrolytes)

K_f = molal freezing point depression constant = 5.12 K/m  = 5.12 °C/m

m_{solute} = Given mass of solute (anthracene) = 7.99 g

M_{solute} = Molar mass of solute (anthracene) = 178.23  g/mol

W_{solvent} = Mass of solvent (benzene) = 79 g

Putting values in above equation, we get:

5.5-\text{Freezing point of solution}=1\times 5.12^oC/m\times \frac{7.99\times 1000}{178.23g/mol\times 79}\\\\\text{Freezing point of solution}=2.6^oC

Hence, the freezing point of solution is 2.6°C

8 0
3 years ago
What is the definition of to squeeze a gas into a smaller space
ollegr [7]
I think the best word here would be compress. It is to compress that is defined as to squeeze a gas into a smaller space. Compression is the reduction of volume which cause an increase in pressure of the gas. Hope this answers the question. Have a nice day.
6 0
3 years ago
3. Given the reaction:
sesenic [268]

Answer:

Attached

Explanation:

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Speed is the rate of change of position expressed as _____ traveled per unit of time. A. direction B. meter C. displacement D. d
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Explanation:

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How many pounds does 1.00 quart of mercury weight? its density is 13.6g/mL
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Two steps by inspection 1 qt = 0.25 gallons, 13.6 g/mL = 13.6 kg/L

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Hope this Helps!
5 0
3 years ago
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