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Using a beaker that contains 100 mL of H2O thermally insulated from its surroundings, one mol of solid CaCl2 is mixed and solution is stirred, temperature of the solution changes from room temperature to a temperature that is greater than thirty degree Celsius. Determine the temperature change is caused by heat energy?
Calculate the volume of 0.540 M sodium hydroxide solution contains 11.5 grams of sodium hydroxide?
How many grams of Ammonium phosphate need to be combined to 500 and
Calculate the approximate SO 2 mass emission in lb/day.
Calculate how many such photons are emitted per second by a 80.0-W incandescent lightbulb if we Assume that the light has an average wavelength = 510.0 nm, .
Litre of white gas, and density of the gas is 0.710 g/cm 3 . Calculate the mass of the fuel and express your answer in kgs?
Using a sample of a compound containing only oxygen and chlorine reacts with an excess of H2 gas to give 0.206 g water and 0.278 g HCl
calculate What mass of AlBr 3 is formed and calculate what mass of CCl 4 will be formed if 1.5 moles of CH 4 react with 1.4 moles of Cl?'
Calculated what is the pressure exerted by the tweezers on the floor at the moment of impact
Determine what is the percent yield of the reaction If 15.0 grams of Nitrogen and 2.00 grams Hydrogen react to produce 1.38 grams of Ammonia?
Determine the work done by the evolution of H 2 in the subsequent reaction on the surrounding atmosphere with1atm pressure and at 25 degree celsius temperature and express your answer in Joule
Determine which monomer will have the higher degree of polymerization (DP) and by how much?
What mass of HCl is contained in 30.0ml of a solution solution which is 37.2 mass% HCl has a density of 1.19g/ml.
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