# chemistry

posted by .

Hvap 40.65 kJ/mol
Hf -285.83 kJ/mol
Hfusion 6.03 kJ/mol
specific heat 4.186 J/gC
molar mass 18.02 g
How much energy is consumed by thawing 4.3 g ice?

• chemistry -

## Similar Questions

1. ### chemistry

Calculate the energy that must be removed to convert substance X from a gas at 115°C to a solid -50.7°C. Assume X has a molar mass of 75.0 g/mol. Specific heat capacities ΔHvap 20. kJ/mol C(s) 3.0 J/g · °C ΔHfus 5.0 kJ/mol …
2. ### chemistry

Calculate the energy that must be removed to convert substance X from a gas at 115°C to a solid -50.7°C. Assume X has a molar mass of 75.0 g/mol. Specific heat capacities ΔHvap 20. kJ/mol C(s) 3.0 J/g · °C ΔHfus 5.0 kJ/mol …
3. ### Chemistry

How much energy does it take to convert 0.800 kg ice at -20.°C to steam at 250.°C?
4. ### chemistry

How much energy (in kilojoules) is needed to heat 5.45g of ice from -12.0 C to 32.0 C?
5. ### chemistry

Hvap 40.65 kJ/mol Hf -285.83 kJ/mol Hfusion 6.03 kJ/mol specific heat 4.186 J/gC molar mass 18.02 g How much energy is consumed by thawing 4.3 g ice?
6. ### Chemistry

chloroform (chcl3) has a Hvap of 29.6 kj/mol and its boiling point occurs at 61.7c. the specific heat capacity of liquid chloroform is 0.622 J/gC while that of the gas is 0.714 J/gC. How much energy (in kJ) needs to be removed to condense …
7. ### Chemistry

How much energy in kilojoules is released when 25.0 g of ethanol (C2H5OH) vapor at 93.0 C is cooled to -10 C?
8. ### chemistry

We have of ice at -11.9°C and it is ultimately completely converted to liquid at 9.9°C. For ice, use a specific heat (Cs) of 2.01 J/gK, for liquid water use a specific heat of 4.18 J/gK, and ΔHfusion = 6.01kJ/mole, Molar mass …
9. ### Chemistry

We have of ice at -11.9°C and it is ultimately completely converted to liquid at 9.9°C. For ice, use a specific heat (Cs) of 2.01 J/gK, for liquid water use a specific heat of 4.18 J/gK, and ΔHfusion = 6.01kJ/mole, Molar mass …
10. ### Chemistry - Energy: Phase Changes

If 13.4 kJ of energy are added to 1.00 kg of ice at 0 degrees Celsius, how much water at 0 degrees Celsius is produced?

More Similar Questions