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satela [25.4K]
3 years ago
7

a balloon filled with a volume of 1.50 L is compressed to a volume of 0.50 L at a constant rate of temperature. if the initial p

ressure of the gas inside the balloon was 1.65 atm what is the new pressure?
Chemistry
1 answer:
Arisa [49]3 years ago
5 0

Answer:

New pressure P2 = 4.95 atm

Explanation:

Given:

Old volume V1 = 1.50 L

New volume V2 = 0.50 L

Old pressure P1 = 1.65 atm

Find:

New pressure P2

Computation:

P1V1 = P2V2

So,

(1.50)(1.65) = (0.50)(P2)

New pressure P2 = 4.95 atm

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Which of the following describes a property of water that helps sustain marine life forms?
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Answer:

Open spaces in water's solid structure makes its solid state less dense than its liquid state.

Explanation:

  • Water unlike other liquids is special. It contracts when cooled, down to a temperature of 4°C but thereafter begins to expand as it reaches 0°C and turns into ice.
  • This property is useful for the preservation of marine life in very cold temperatures. During winter, the surface water in water lakes and rivers starts cooling. Upon reaching the temperature of 4°C, the surface water descends to the bottom as it denser.
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3 years ago
The nucleus of a fluorine atom has a charge of? <br><br> A. +19<br> B. 0<br> C. +9<br> D. +1
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7 0
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Identify the factors that govern the speed and direction of a reaction. Check all that apply.
Fiesta28 [93]

Answer: option B and option C

Explanation:

4 0
3 years ago
Which of the following is the correct formula for sodium oxide? NaO2 Na­O Na2O3 Na3O4 Na2O
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Since Na has a 1+ charge and O has a -2 charge, by reversing the charges and placing them as subscripts for the other atoms the formula is Na2O1 or simply Na2O.
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Which of the following electron configurations gives the correct arrangement of the four valence electrons of the carbon atom in
Juliette [100K]

Answer:

D) 2s^12p^3

Explanation:

Carbon.

The electronic configuration is -  

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Thus, 2s orbital is fully filled and p orbital can singly filled 3 electrons. Thus, Carbon has 2 singly occupied orbitals.

But in methane, CH_4 it forms 4 bonds. So, 1 electron each from 2s orbital jumps to the next orbital in the p subshell.

Thus, the configuration is:-

1s^22s^22p^2

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