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marin [14]
3 years ago
8

i have 5 moles of gas in a container with a volume of 45 liters and at a temperature of 210k , what is the pressure inside the c

ontainer
Chemistry
1 answer:
liraira [26]3 years ago
5 0

is there any answer choices

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21. Which 2 body systems work together to<br> produce and transport blood cells?
Vera_Pavlovna [14]

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skeletal and circulatory

Explanation:

The skeletal system works with the muscular system to help the body move. Marrow, which is soft, fatty tissue that produces red blood cells, many white blood cells, and other immune system cells, is found inside bones.

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5 0
3 years ago
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A solution of an unknown nonvolatile nonelectrolyte was prepared by dissolving 0.250 g of the substance in 40.0 g of ccl4. the b
Finger [1]
Answer : The molar mass of the solute will be 87.90 g/mol.

Explanation : We know the formula for elevation in boiling point, which is

Δt = iK_{b}m

given that, Δt = 0.357, K_{b} = 5.02 and mass of CCl _{4} = 40,

on substituting the value we get,
0.357 = (1) X (5.02) X (x/ 0.044), on solving we get x = 2.844 X10^{-3}. 
Now, 0.250/ 2.844 X10^{-3} = 87.90 g/mol. which is the weight of unknown component.
3 0
3 years ago
Jati has a sample of a solid.Suggest how he could find out weather the solid is a pure substance or a mixture of substances?
Vsevolod [243]

Answer:

The melting point range of a substance is the temperature range from which the first crystal starts to melt, to the temperature at which the last crystal finishes melting. An impure substance is a type of mixture, so melting points can be used to find out if a substance is pure or impure.

pls mark brainiest

Explanation:

5 0
2 years ago
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