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1) how many grams of KCl(s) are produced from the thermal decomposition of KClO3(s) which produces 50.o mL of O2(g) at 25oC and 1.00 atm pressure according to the chemical equation shown below 2KClO3(s) ====> 2KCl(s) + 3O2(g)
2) how many liters of oxygen gas can be produced at STP from the decomposition of 0.250L of 3.00M H2O2 in the reaction according to the chemical reaction shown below 2H2O2(l) ====> 2H2O (l) + O2(g)
The steam is then sent back to the boiler (constant pressure heat exchanger) and reheated to 300oC. In a secondary turbine, the steam is expanded to 10kPa.
What is the concentration of a solution made from 15ml of 2.0M HBrO, 20.0ml of H20, and 9.7g HBrO (mm=97g/mol)
How does this affect the reported solubility product of borax at that temperature? Explain. Temperatures can range from 4.4 degrees C, 17.1 degrees C, 34.6 degrees C, 41.6 degrees C, and 50.6 degrees C.
Use heat of formation data to determine H for the combustion of hydrogen sulfide according to the following reaction: 2 H2S(g) + 3 O2(g) ? 2 SO2(g) + 2 H2O(?) ?H = ? ?Hfo for compounds:
Benzene is a trace component of gasloine. What is the mole ratio of benzene to n-octant in the vapor above a solution of 40.0% benzene and 60.0% n-octane by the mass
3.60 bar of NO2 (g) is initially placed in a 1.00 L container. At equilibrium, the total pressure is found to be 4.4 bar. What is the value of Kp under these conditions?
Calculate the number of grams of HC2H3O2 needed to make 450 mL of 0.322 M solution.
what is the equation for gypsum when it is heated below 220 degrees celsius and also when it is heated to red heat?
Suppose you wanted to heat a mug of 250. mL water from room temperature, 25°C, to 100°C to make a cup of tea. How much energy (in joules and in calories) would you need from your microwave.
The purity of a 0.287 -g samole of Zn(OH)2 is determined by titrating with a standard solution, requiring 37.8 mL. The HCL solution was standardized by precipitating AgCl in a 25.0-mL aliquot
At what angle (in degrees) does first-order diffraction from layers of atoms 169.1 pm apart occur, using x rays with a wavelength
What is the latent heat of vaporization Tsat in kJ/mol? (Answers are 1366 kW and 28.4 kJ/mol) Please show work for good rating.
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