On a 7 day wilderness expedition you'll need to heat 4.0 kg of water to the boiling point each day. The air temperature will average 25 °C. You have available it. What is the minimum number of canisters of compressed propane (C3H) fuel, which you'll burn to heat the water. Each canister has 100. g of propane i fuel canisters you must bring? The standard heat of formation of propane at 25 °C is -103.8 kJ/mol. You'll probably find other helpful data in the ALEKS Data resource. canisters: 0

On a 7 day wilderness expedition you'll need to heat 4.0 kg of water to the boiling point each day. The air temperature will average 25 °C. You have available it. What is the minimum number of canisters of compressed propane (C3H) fuel, which you'll burn to heat the water. Each canister has 100. g of propane i fuel canisters you must bring? The standard heat of formation of propane at 25 °C is -103.8 kJ/mol. You'll probably find other helpful data in the ALEKS Data resource. canisters: 0

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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On a 10 day wilderness expedition you'll need to heat 5.0kg of water to the boiling point each day. The air temperature will average 25°C . You have available canisters of compressed butane C4H10 fuel, which you'll burn to heat the water. Each canister has 25.g of butane in it. What is the minimum number of fuel canisters you must bring? The standard heat of formation of butane at 25°C is −125.7/kJmol . You'll probably find other helpful data in the ALEKS Data resource.
12. In an experiment, 5.260 g of potassium hydroxide is mixed with a dilute solution of hydrochloric acid. A neutralization reaction occurs. The hydrochloric acid is in excess. The specific heat capacity for water is 4.184 J/g. °C. The following data are obtained: Initial temperature of HCl Volume of HCl Final temperature of solution after mixing Calculate the molar enthalpy of reaction (AH₂) for potassium hydroxide. 24.5 °C 200.0 mL 31.4 °C
In a coffee cup calorimeter, 50.0 mL of 1.00 M NaOH and 50.00 mL of 1.00 M HCl are mixed. Both solutions were originally at 24.6 C. After the reaction, the final temperature is 31.3 C. Given that the density of NaCl solution is 1.038 g/mL and the specific heat of NaCl solution is 3.87, calculate the change in enthalpy of neutralization per mole for the reaction of HCl with NaOH. Assume that no heat is lost to the surroundings.
On a 7 day wilderness expedition you'll need to heat 2.0 kg of water to the boiling point each day. The air temperature will average 25 °C. You have available canisters of compressed propane (C,H) fuel, which you'll burn to heat the water. Each canister has 25. g of propane in it. What is the minimum number of fuel canisters you must bring? The standard heat of formation of propane at 25 °C is – 103.85 kJ/mol. You'll probably find other helpful data in the ALEKS Data resource. canisters:
THe G.R.A.S.P. method
Iron has a specific heat capacity of 0.444J/g-C. 50.0 g of iron at 35C is added to 50.0 g of water with a specific heat capacity of 4.184 J/g-C. When the temperature of the resulting mixture stops changing, the temperature is closer to that of the original water than to the iron. True or false?
Solid calcium chloride dissolves in water according to the equation below.CaCl2 (s) ➝ Ca+2 (aq) + 2 Cl – (aq) ΔHº = –81.3 kJ/mol8.00 grams of solid CaCl2 dissolves in 45.0 grams of water initially at a temperature of 20.00 ºC in a perfect calorimeter. Calculate the final temperature of the solution in the calorimeter.[You may assume that no heat escapes the calorimeter and that all solutions have the same specific heat capacity as pure water (4.184 J/g·ºC)]Tfinal = Answer ºC
A quantity of 100.0 mL of 1.0 M HCl and 100.0 mL of 1.0 M NaOH are mixed in a calorimeter. The initial temperatures of the HCl and NaOH solutions are the same at 20.0°C and the final temperature of the mixture is 27.0oC. Calculate the heat of neutralization for the reaction in kJ/mole of NaOH. Assume the density and specific heat of the solutions are the same as pure water and that no heat was lost to the surroundings.
On a 14 day wilderness expedition you'll need to heat 3.0 kg of water to the boiling point each day. The air temperature will average 25 °C. You have available canisters of compressed propane (C₂Hg) fuel, which you'll burn to heat the water. Each canister has 50. g of propane in it. What is the minimum number of fuel canisters you must bring? The standard heat of formation of propane at 25 °C is -103.8 kJ/mol. You'll probably find other helpful data in the ALEKS Data resource. canisters: 0 X Ś