List the coefficients that balance this equations.
Separate with commas and NO spaces
What is △H for the reaction given enthalpy of each compound?
Include units and round to FOUR sig figs.
What type of reaction is it?
List the coefficients that balance this equations.
Separate with commas and NO spaces
What is △H for the reaction given enthalpy of each compound?
Include units and round to FIVE sig figs.
What type of reaction is it?
Given: A reaction has a △H of -22.0 KJ/mol and a △S of 250.0 J/mol at 23°C.
Calculate △G for this information.
Include Units and round to TWO sig figs.
What type of reaction is this?
Given: C2H4 + H2 --> C2H6
△H = -136.9 kJ/mol
△S = 120.7 J/mol
T = 25°C
What is Gibb's free energy given this information?
Include units and round to THREE sig figs.
What type of reaction is this?
A 13000 kg sample of metal absorbs 10305.2 J of energy, and its temperature changes from 50.0°C to 125°C. Calculate the specific heat of the metal.
Include units.
The specific heat of copper is 0.385 j/g/°C. How much energy is needed to raise the temperature of 7.80 lbs of copper from 50.0°C to 105°C? (1lb = 453.6 g)
Include units.
The specific heat of aluminum is 0.900 J/g/°C. If 23450 J energy is needed to raise the temperature from 35.0°C to 65.0°C, what is the mass of aluminum with a specific heat of 0.900 J/g°C?
Include units
A 45.00 g sample of ice at -35.00°C is heated to steam at 100.0°C. Calculate the energy required for this change.
Include units.
A 9.00 g sample of water was raised from 45.0°C to steam at 100.0°C. What is the energy required for this change?
Include units.
What energy is required to melt a 3.5 g sample of ice at -5.0°C to 45.0°C?
Include units.
A calorimeter holds 1750.0 mL of water at 77.0°C. When it cools, the temperature drops to 15.0°C. How many calories are lost from the water?
Include units. 1g = 1mL
A 3500 mL sample of water was in a calorimeter at 15.0°C. If 35000. cal are applied, what is the final temperature?
Include units. 1g = 1mL