Hrxn = Q reaction / mol of reaction
mol of reaction = M * V = 10 * 1 = 10 mmol = 0.01 mol
Q water = m * C * (Tf - Ti)
= (10 + 10) (4.184) (26-20) = 502.08 J
Q reaction = - Q water = -502.08 J
Hrxn = -502.08 / (0.01) = - 50208 J = - 50.21 kJ/mol

5 0

3 years ago

Which of these best describes the difference between the formulas for nitrogen monoxide and nitrogen dioxide? Which of these bes

Pani-rosa [81]

Nitrogen monoxide has 1 oxygen atom and
Nitrogen dioxide has 2 oxygen atoms

3 0

3 years ago

Determine how many carbon dioxide (CO2) molecules are produced if 8.45 x 1023 molecules of water (H2O) are produced 2 C2H6 (g) +

Andreas93 [3]

Ill get back to you on this

5 0

3 years ago

Why is salt added to hot chicken soups during cooking besides giving the chicken soups a good taste?

SIZIF [17.4K]

Answer:

The answer is option 3.

Explanation:

When salt is added to the water, the boiling point increases because it needs to take in more energy from heat to break down the bonds and dissolve the salt in the water.

(Correct me if I am wrong)

5 0

3 years ago

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