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solmaris [256]
3 years ago
11

All of the matter in the universe formed after the big bang. Scientists

Chemistry
2 answers:
Lesechka [4]3 years ago
8 0

Answer:

The answer is A. Here is proof

Explanation:

Mars2501 [29]3 years ago
4 0

Answer: it is A

Explanation:

Just took the test

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Gas occupies 100.0 mL at a pressure of 780 mm Hg. What is the volume of the gas
jolli1 [7]

Answer:

Final volume after applying 880 mmHg pressure = 89.28

Explanation:

Initial volume (V 1)= 100 ml

Initial pressure (P1) =780 mm Hg = 780/780 = 1atm

Final pressure (P2)=880 mm Hg = 880/780 =1.12 atm

Final volume (V2)=?

We know that,

Applying Boyle's law,

P1 V1=P2 V2

1*100=1.12*V2

100=1.12*V2

100/1.12=V2

89.28=V2

V2=89.28 ml

Hope this helps you. Please mark me as a brainlist.

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3 years ago
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Natali5045456 [20]

Hello there

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3 years ago
Which of the following characterizes gamma radiation?
Harman [31]
Answer is B
It is strongly ionizing and cannot penetrate dense materials.
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13% hope this helps my guys
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There are two common temperature scales. On the Fahrenheit scale, water freezes at 32 degrees. The Celsius scale divides the interval between the freezing and boiling points of water into 100 degrees.

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