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Calculating the change in enthalpy (delta H) using bond energies.

Estimate the change in enthalpy for the following reaction using bond energies: 2 H2 + O2 ---> 2 H2O

Subject:

Chemistry

Topic:

General Chemistry

Posting ID:

5329

OTA ID:

103241

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Working with heats of formation to calculate the amount of grams required to release a specific amount of heat.

Glucose reacts with oxygen to form carbon dioxide and water: If the heat of formation of glucose, carbon dioxide, and water are -1273.3 kJ mol-1, -393.5 kJ mol-1 and -285.8kJ mol-1. How many grams of glucose must react in order to release (1.00)(10^3)kJ of heat?

Subject:

Chemistry

Topic:

General Chemistry

Posting ID:

5362

OTA ID:

102509

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Calculating the difference between changes in enthalpy and energy.

The reaction of 4.49 g of carbon and 9.21 g of oxygen, produced carbon dioxide, and 113.2 kJ of heat. What is the difference between the change of H(enthalpy) minus the change of E(energy)?

Subject:

Chemistry

Topic:

General Chemistry

Posting ID:

5363

OTA ID:

103139

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Need a value

I need the specific heat capacity of H2 gas. (To be used in q = mc(delta T). It is the "c" value, and a constant value specific to hydrogen gas.

Subject:

Chemistry

Topic:

General Chemistry

Posting ID:

5385

OTA ID:

103139

View Details $1.99 Download Add to Cart

Chemistry review: specific heat, density, photon energy, wavelength characteristics, gas laws and conversion problems.

See attachment for problems. Chemistry review questions: specific heat, density, photon energy, wavelength characteristics, gas laws and unit conversion.

Subject:

Chemistry

Topic:

General Chemistry

Posting ID:

5450

OTA ID:

103234

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