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professor190 [17]
3 years ago
12

Choose the correct coefficients to balance the following equation:

Chemistry
2 answers:
makvit [3.9K]3 years ago
6 0

the correct answer is B

umka21 [38]3 years ago
5 0
B) 1 Zn+ 2HCl--> 1 ZnCl2+1H2 This is balanced
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How much heat is absorbed by a 2000 g granite rock as energy from the sun causes its temperature to change from 10°C to 29°C?
emmainna [20.7K]

Answer:

None of the options are correct. The correct answer is 30020J

Explanation:

Data obtained from the question include:

Mass (M) = 2000g

Initial temperature (T1) = 10°C

Final temperature (T2) = 29°C

Change in temperature (ΔT) = T2 - T1 = 29°C - 10°C = 19°C

Heat (Q) =?

Specific heat capacity (C) of granite = 0.79J/g°C

Applying the equation Q = MCΔT, the heat absorbed by the granite rock can be obtained as follow:

Q = MCΔT

Q = 2000 x 0.79 x 19

Q = 30020J

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3 years ago
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Answer:

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Explanation:

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