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MatroZZZ [7]
2 years ago
13

vIt is the middle of winter when you go to the store to buy some balloons for a birthday party. After you get to your car with t

he balloons, you remember you forgot to get a birthday card so you leave the balloons in the car and go back into the store. When you get back to your car the balloons you just bought are now almost flat. Which statement BEST explains what happened?
Chemistry
2 answers:
Scilla [17]2 years ago
7 0

Answer:

???????

Explanation:

sorry i do know

atroni [7]2 years ago
4 0

Answer:

The balloons were filled in a warm room with warm air at a certain volume. When they are brought into the car, which was at a much lower temperature, the air inside the balloons cooled down so much that the volume shrunk in the process. This is in accordance to Charles's law where a decrease in the temperature of the gas causes a reduction in its volume.

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3 years ago
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What volume would 3.01•1023 molecules of oxygen gas occupy at STP?
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6 0
3 years ago
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ahrayia [7]

Answer:

Potassium

1s2 2s2 2p6 3s2 3p6 4s1

Explanation:

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That atom must belong to an element in the fourth period. The only group 1 element in the fourth period is potassium.

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1s2 2s2 2p6 3s2 3p6 4s1

6 0
3 years ago
A biochemical engineer isolates a bacterial gene fragment and dissolves a 10.0-mg sample in enough water to make 30.0 mL of solu
Novay_Z [31]

The molar mass of the gene fragment is 19182 g/mol.

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We employ the osmotic pressure equation to determine the solute's concentration, which is:

π = iMRT

Using the values in the equation above, we obtain:  19182 g/mol.

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1 year ago
A chlorine atom has a diameter of 175 picometers (pm). Please write the diameter, in metered, in scientific notation.
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Picometre is equal to 1·10⁻¹²m
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