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Dmitry_Shevchenko [17]
3 years ago
14

After an hour in the cooler the sodas get colder and the ice gets warmer. Which of the following explains these changes correctl

y
Chemistry
1 answer:
kompoz [17]3 years ago
6 0
Because it’s called heat changes it and melts the ice
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What is the molecular weight (rmm) of NaOH?<br> 40<br> 20<br> 50<br> 60
Molodets [167]

Answer: A/40 it is actually 39.997 but since that is not an answer they rounded up

Explanation:

4 0
2 years ago
Which statement is true?
AleksandrR [38]

Exothermic reaction is where there is release of energy during a reaction

The enthalpy of exothermic reaction is negative

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Enthalpy of reaction =  sum of enthalpy of formation of products - sum of enthalpy of formation of reactants .

As enthalpy of reaction is negative, it means the enthalpy of products is less than the enthalpy of reactants  so answer is :

In an exothermic reaction the energy of the product is less than the energy of the reactants.

7 0
3 years ago
Read 2 more answers
If an ideal gas has a pressure of 2.97 atm, a temperature of 449 K, and has a volume of 58.35 L, how many miles of gas are in th
soldi70 [24.7K]
N = ?

T = 449 K

V = 58.35 L

P =2.97

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Use the clapeyron equation:

P x V = n x R x T

2.97 x 58.35 = n x 0.082 x 449

173.2995 = n x 36.818

n = 173.2995 / 36.818

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hope this helps!



7 0
3 years ago
Every afternoon, Bill and Anita go down to the beach to fly their kite. They noticed that the wind always blows towards shore. W
EastWind [94]

Answer:

the answer is D

Explanation:

Air over the beach heats up, rises, and is replaced by cool, denser ocean air

The ocean heats up much slower and becomes relatively cooler than the beach making it a high pressure zone. The air moves from the water to the land each morning forming a sea breeze. These pressure zones might equal out later in the day and the winds may diminish. ... A sea breeze blows from the ocean towards the beach.

8 0
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3 years ago
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