Calorimetry - Page 12
Questions
- Finding #DeltaH# given heat released and mass in bomb calorimetry?
- If a bottle of nail polish remover contains 176 mL of acetone, how much heat would be released by its complete combustion? The density of acetone is 0.788 g/mL.
- On combustion, benzoic acid releases 26.38 KJ/g. The bomb calorimeter contained 1.000 g of benzoic acid. The temperature of the calorimeter rises from 24.32 degrees C to 27.05 degrees C?
- The combustion of 20 g of a fuel in a calorimeter increases the temperature of 200 g of water by 5 °C. What is the enthalpy of combustion per gram of fuel?
- When 1.045g of calcium oxide is added to 50.0mL of water at 25.0°C in a calorimeter, the temperature of water increases to 32.3°C. Assuming density of solution is 1.00g/mL and a specific heat capacity of 4.19J/g˚C?
- What is the heat capacity #C_"cal"# of the dry calorimeter device?
- Is this correct? How much heat did the calorimeter gain?
- This question is about calorimeter constant. Does the lower the calorimeter constant mean the better the heat retainment?
- A student mixes a 10.0 mL sample of 1.0 M NaOH with a 10.0 mL sample of 1.0 M HCl in a polystyrene container. The temperature of the solutions before mixing is was #20.0^@ C#; the final temperature is #26.0^@ C#. What is the value of #DeltaH_(rxn)#?
- You have 150 grams of water at 25C and 40 grams of water at 50C. You mix them together in a calorimeter to find the final temperature of the mixture. Using your incredible math skills, calculate what the final temperature of the mix should be.?
- (AP CHEM) Thermochem Calorimeter problem: How to find final temperature given volume of water, mass of solid, and initial temp.? Question w/ answer given below↓ ↓ ↓ Need help on how to get the answer.
- When 0.602 g of biphenyl (C12H10) undergoes combustion in a bomb calorimeter, the temperature rises from 26.5 ∘C to 30.4 ∘C. What is the ΔErxn for the combustion of biphenyl? The heat capacity of the bomb calorimeter is 5.86 kJ/∘C.