kikidouluvme kikidouluvme

20-10-2022
Chemistry

Answered

The heat of combustion (AH) for propane (molar mass 44.11 g/mol) is
-2222 kJ/mol. The heat generated from burning 3.995 g of propane is
used to heat 575.0 g of water in a calorimeter. What is the change in
temperature (°C) of the water? (The molar heat capacity of water is
75.38 J/mol °C).

Answer :

Other Questions

8.51 g of MgSO, is placed into 100.0 mL of water. The water's temperature increases by 6.70°C. Calculate AH, in kJ/mol, for the dissolution of MgSO. (The specif

25.0 g of water at 25.0oC is mixed with 50.0 g of water at 95.0oC. Assuming no heat is lost to the surroundings, what is the final temperature of the water? (Us

Consider the following reaction: 2SO3 (g) →2SO2 (g) + O2 (g) AH+197.78 kJ What would be the enthalpy change for the reverse reaction?

Based on the reactions: 1. 2NO2 (g)→N204 (g). AH1 = -57.2 kJ 2. 2NO(g) + O2(g) → 2NO2 (g) AH2 = -114.1 kJ Use Hess's law to calculate AH for: 2NO(g) + O2 (g)→→

A 9.70 L container holds a mixture of two gases at 31 °C. The partial pressures of gas A and gas B, respectively, are 0.252 atm and 0.775 atm. If 0.200 mol of a

A sample of unknown gas weighs 2.45g and occupies 790 mL at 720 mmHg and 95∘C. What is the molar mass? .

In which two ways does a balanced chemical equation model the law of conservation of mass? A. The states of the elements involved always remain the same. B. Th

Please Help!!! A family living in the desert experiences very hot days and very cold nights. They look at three plans to install system to help stabilize the t

The incomplete table below shows selected characteristics of gas laws. Name Variables Constants Equation ? ? ? PV = k Charles’s law ? ? V = kT ? Temperature, pr

The incomplete table below shows selected characteristics of gas laws. Name Variables Constants Equation ? ? ? PV = k Charles’s law ? ? V = kT ? Temperature, pr