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ElenaW [278]
2 years ago
14

Calculate the heat in calories for condensation of 17.0 g of steam at 100 C

Chemistry
1 answer:
vitfil [10]2 years ago
8 0
540 x 17= 1980
    hope this helps some
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Which of the following actions will not increase the rate at which a solid dissolves in
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Answer:

O lowering the temperature of the system

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2 years ago
Of the choices, which metal element would be the most reactive? (Please explain why the answer is the answer).
mart [117]

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sulfur

Explanation:

sulfur because it have unknown metal

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7 0
2 years ago
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NItrogen in air reacts at high temperature to form NO2 according to the reaction:
Rina8888 [55]

Answer:

The correct answer is option E.

Explanation:

Structures for the reactants and products are given in an aimage ;

Number of double bonds in oxygen gas molecule = 1

Number of double bonds in nitro dioxide gas molecule = 1

Number of single bond in in nitro dioxide gas molecule = 1

Number of triple bonds in nitrogen gas molecule = 1

N_2+2O_2\rightarrow 2NO_2,\Delta H=?

\Delta H=[2 mol\times \Delta H_{f,NO_2}]-[1 mol\times \Delta H_{f,N_2}-2 mol\times \Delta H_{f,O_2}]

\Delta H_{f,NO_2}=33.18 kJ/mol

\Delta H_{f,N_2}=0 (pure element)

\Delta H_{f,O_2}=0 (pure element )

\Delta H=2 mol\times 33.18 kJ/mol=66.36kJ=15.86 kcal

The enthalpy of the given reaction is 15.86 kcal.

6 0
3 years ago
1. Write the equilibrium constant expression for the following:
melisa1 [442]

Answer:

c

Explanation:

it could honestly be wrong but I'm not sure

3 0
2 years ago
The FDA recommends that women who are pregnant avoid eating more than three 6.00-oz servings of bluefish per month because of th
Brilliant_brown [7]

Answer:

A pregnant woman would consume  1.812 x 10⁻⁶ oz of mercury in a month if she ate the maximum recommended amount of fish.

Explanation:

0.302 oz mercury _____________ 1 x 10⁶ oz bluefish

              x              _____________  6.00 oz bluefish

x = 1.812 x 10⁻⁶ oz mercury

A pregnant woman would consume  1.812 x 10⁻⁶ oz of mercury in a month if she ate the maximum recommended amount of fish.

4 0
2 years ago
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