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mr Goodwill [35]
3 years ago
8

As the temperature of a gas is increased from 0°c to 10°c at constant pressure, the volume of the gas will

Chemistry
1 answer:
bija089 [108]3 years ago
5 0
Volume of gas will <span>increases by 10/273</span>
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A runner runs for a distance of 350 yards and then runs for an additional 200 m. What is the total difference covered by the run
Rudiy27
Answer: 520.04 meters.

If you convert 350 yards to meters, you get 320.04.

320.04m + 200m = 520.04m.

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2 years ago
What volume of a 3.50 M Na3PO4 solution would you use to make 1.50 L of a 2.55 M Na3PO4 solution?
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What mass of methane (CH4) gas occupies a volume of 0,462 L at 1atm and 273K
LiRa [457]

Explanation:

Since methane gas is at 1 atm and 273 K, it is at standard temperature and pressure(STP).

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6 0
3 years ago
Which of the following is most likely an indication of a chemical change?
mamaluj [8]

Hello there!

Question: Which of the following is most likely an indication of a chemical change?

Answer Choices:

A. A loud sound when an MP3 player is turned on.

B. A loud sound when someone claps their hands.

C. A loud sound when a starter's pistol is fired at a race.

D. A loud sound when a large object falls to the ground.

Correct Answer:

C. A loud sound when a starter's pistol is fired at a race.

Reasons:

A would not be correct since an MP3 player is a mechanical object and does not mix any substances that create a reaction.

B would not be correct since clapping hands causes a loud sound due to two forces slamming together and causes a disturbance in the air.

D would not be correct since a large object falling to the ground does not indicate any chemical reactions or changes since its merely the result of a mass hitting another mass.

C would be correct since the gunpowder mixes with other substances inside the pistol's chamber and causes and explosion, and explosions are part of a chemical reaction indicators.

5 0
2 years ago
How many bonding and ione pairs does HCN have?
tiny-mole [99]
One lone pair, as there is a single covalent bond between the hydrogen and the carbon, and a triple covalent bond between the nitrogen and the carbon, leaving two free electrons/one electron pair on the nitrogen..... I think ((:
6 0
3 years ago
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