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kozerog [31]
3 years ago
8

Can someone help me pls.

Chemistry
1 answer:
OlgaM077 [116]3 years ago
6 0

Answer:

you need to show more thing cause we not going to know what we have to do

Explanation:

and show more detaills

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3 years ago
What is the origin of fahrenheit and centigrade temperature scales?.
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2 years ago
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A sample of a gas in a rigid cylinder with a movable piston has a volume of a lamp then .2 L at STP. What is the volume of this
Gnoma [55]

<u>Answer:</u> The new volume of the gas is 0.11 L

<u>Explanation:</u>

To calculate the volume when temperature and pressure has changed, we use the equation given by combined gas law.

The equation follows:

\frac{P_1V_1}{T_1}=\frac{P_2V_2}{T_2}

where,

P_1,V_1\text{ and }T_1 are the initial pressure, volume and temperature of the gas

P_2,V_2\text{ and }T_2 are the final pressure, volume and temperature of the gas

At STP:

The temperature at this condition is taken as 273 K and the pressure at this condition is taken as 1 atm or 101.3 kPa.

We are given:

P_1=101.3kPa\\V_1=0.2L\\T_1=273K\\P_2=202.6kPa\\V_2=?\\T_2=300K

Putting values in above equation, we get:

\frac{101.3kPa\times 0.2L}{273K}=\frac{202.6kPa\times V_2}{300K}\\\\V_2=\frac{101.3\times 0.2\times 300}{273\times 202.6}=0.11L

Hence, the new volume of the gas is 0.11 L

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3 years ago
What property is not included in Dalton’s atomic model ?
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Atoms of different elements have different structure
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I need help with the steps to do this problem: A metal is thought to be titanium or aluminum. When 4.7 g of the metal absorbs 11
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0.52 J/g degree Celsius

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