1 year ago

What is kept the same in a controlled experiment

Chemistry

1 answer:

Serhud [2]1 year ago

4 0

Answer:

Variables and independent variables

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If a gas is initially at a pressure of nine ATM and a volume at 21 L at a temperature of 253K and the pressure is raise to 15 AT

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Answer:

15.0L

Explanation:

p/v = constan

(9*21)/253 =(15v)/ 302

v = (9*21*302)/(15*253)

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2 years ago

What is the volume of 2.5 moles of nitrogen gas (N2)<br>at standard temperature and pressure (STP)?

gregori [183]

Answer:

1 mole of gas = 22.4L

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Explanation:

Please mark brainliest and have a great day!

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2 years ago

My Everest is the highest mountain on earth.its height is 8.848 km. Convert this height to feet. Write your answer in standard n

Vinvika [58]

Answer: $2.9(10)^{7} ft$

Explanation:

Firstly we need to know that $1 km=3280.84 ft$ , then we cam make the conversion:

$8848 km \frac{3280.84 ft}{1 km}=29,028,872.32 ft$ This is the height of Mount Everest in feet

However, we can express it using scientific notation by counting to the left the decimal spaces:

$29,028,872.32 ft \approx 2.9(10)^{7} ft$

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3 years ago

I WILL MARK BRAINLIEST PLZ HELP ASAP, thanks :)

7nadin3 [17]

Answer:

Inner

Explanation:

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2 years ago