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shepuryov [24]
2 years ago
13

A 40.27 g sample of a substance is initially at 24.8 °c. after absorbing 2099 j of heat, the temperature of the substance is 148

.5 °c. what is the specific heat (c) of the substance?
Chemistry
1 answer:
Darina [25.2K]2 years ago
6 0
Q = mCΔT
Q is heat in joules, m is mass, C is specific heat, and delta T is change in temp

2099 J = (40.27g)(C)(148.5 - 24.8) = .421 J / gram K
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3 years ago
7.5 moles of nitrogen gas (N2) is formed in the following reaction. How many grams
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Answer:

Mass = 255 g

Explanation:

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Solution:

Chemical equation:

3H₂ + N₂      →    2NH₃

Now we will compare the moles of nitrogen and ammonia.

             N₂         :        NH₃

               1          :         2

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6 0
2 years ago
What are minerals in the rest of the water.
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You mix 265.0 mL of 1.20 M lead(II) nitrate with 293 mL of 1.55 M potassium iodide. The lead(II) iodide is insoluble. What amoun
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Answer:

105 grams PbI₂

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7 0
2 years ago
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