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Blizzard [7]
3 years ago
8

Molar mass of c(no3)2

Chemistry
1 answer:
slava [35]3 years ago
4 0

I believe that it is 187.56 g/mol

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The air inside a hot-air balloon is heated to 59.00 °C (Tinitial) and then cools to 39.00 °C (Tfinal). By what percentage does t
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Answer:

6.1%

Explanation:

Assuming pressure inside balloon remains constant during the temperature change.

Therefore, as per Charles' law  at constant pressure,

\frac{V_1}{T_1} =\frac{V_2}{T_2}

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T_1=59°\ C=273+59=332\ K

V_2=V_1\times \frac{T_2}{T_1} \\=V_1\times\frac{312}{332}\\=0.939V_1

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3 years ago
How many milliliters of juice are in this graduated cylinder?
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A sample of sugar contains 1.505 × 1023 molecules of sugar. How many moles of sugar are present in the sample?
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4 0
3 years ago
Calculate the pH of a solution that has a [OH−] of 2.6 × 10^−6 M.
TiliK225 [7]

Answer:

A. 8.4

Explanation:

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pH + 5.59 = 14.00               Subtract 5.59 from each side

pH = 14.00 -5.59 = 8.41

7 0
2 years ago
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