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user100 [1]
4 years ago
7

Which of the following is a chemical property of the noble gases?

Chemistry
2 answers:
dimaraw [331]4 years ago
6 0
I think the answer would be C. They are unreactive.
Ulleksa [173]4 years ago
5 0

The think the answer is C aswell.

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umka21 [38]

Answer:

choice 3

Explanation:

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3 years ago
How much heat, in joules and in calories, must be added to a 75.0–g iron block with a specific heat of 0.449 j/g °c to increas
lianna [129]

Answer:

Q=50,849.25J\\\\Q=12,153.3cal

Explanation:

Hello!

In this case, given the mass, temperature change and specific heat, it is possible to compute the required heat in joules as shown below:

Q=mC(T_2-T_1)\\\\Q=75.0g*0.449\frac{J}{g\°C}(1535\°C-25\°C)\\\\Q=50,849.25J

Now, since 1 cal =4.184 J, this result in calories is:

Q=50,849.25J*\frac{1cal}{4.184J}\\\\Q=12,153.3cal

Best regards!

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3 years ago
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3 years ago
What is best way to get salt out of salt water solution
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3 0
4 years ago
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Explanation:

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