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Ad libitum [116K]
3 years ago
10

What is the specific heat of mercury if it requires 167 J to change the temperature

Chemistry
1 answer:
enot [183]3 years ago
4 0

Answer:

1. 39 J/g°C

Explanation:

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Calculate the pressure (in kpa) of 1.5 mole of helium gas at 354 k when it occupies a volume of 16.5l.
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Answer:

267.57 kPa

Explanation:

Ideal gas law:

PV = n RT        R = 8.314462    L-kPa/K-mol

P (16.5) = 1.5 (8.314462)(354)       P = 267.57 kPa

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2 years ago
calculate the (m/v) of nacl of a solution made by diluting 25.0 ml of a 7.50 (m/v)% NaCl solution to a total volume of 75.00 ml
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c

Explanation:

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2 years ago
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How many moles of ba(oh)2 are present in 275 ml of 0.200 m ba(oh)2?
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You have to put your attention to the unit of concentration. It is expressed in terms of molarity, which is represented in M. It is the number of moles solute per liter solution. So, you simply have to multiply the molarity with the volume in liters.

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6 0
3 years ago
A student places a beaker on a hot plate. To the beaker, he adds a clear liquid and a white powder. The mixture instantly begins
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2 years ago
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