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Calculate the amount of mass in nano gram that is changed into energy when one mole of liquid water forms by combustion of hydrogen, all measurement being made at 1atm and 25c what is the percentage of the total mass of reactants?
Radio station KLBJ broadcasts at a frequency of 93.7 × 106 s-1. Determine the length of the waves that corresponds to this frequency.
A sample of gas inside a 150 mL piston has an initial temperature of 550 K and pressure of 8.0 atm. As the piston expands to 650 mL, the pressure decreases to 1.5 atm.
write the structural formulas for the two 2 chloro-isomers that can be formed from 2-methylpropane(isobutane)
Write a balanced net ionic equation for the neutralization reaction and Tartaric acid,( C4H6O6) , has two acidic hydrogens.
Nitrogen dioxide and water react to produce nitric acid HNO3 and nitrogen monoxide.
If 13.0g of CCl3F is enclosed in a 1.2-L container, what mass of liquid will be present, when the vapor pressure of CCl3F at 300K is 856 torr?
what volume does .103 mol of N2 gas occupy at a temperature of 27 degrees Celsius and a pressure of 784 mm Hg?
how many mL of chlorine gas are required to produce 0.50L of hydrogen chloride gas(HCl) at constant temperature and pressure?
If 37.0 grams of hydrogen sulfide gas (H2S; MM = 34.08 g/mol) react with 37.1 grams of oxygen gas (O2, MM = 32.00 g/mol), what is the mass of sulfur dioxide (SO2, MM = 64.06 g/mol) gas produced?
Calculate the molar solubility of bbarium sulfate, BaSO4, in 0.010 M Sodium Sulfate, Na2SO4, solution at 25C. Compare this to the solubility of BaSO4 in pure H2O. What is the common ion?
Calculate w (in kJ) when 422 g iron (III) oxide (MM = 159.7 g/mol) reacts with excess carbon to produce carbon dioxide gas at 445 K:
How many mL of 5M NaCl are required to prepare 1500 mL of 0.002 M NaCl? What would be the concentration of the diluted solution from Problem expressed in mM, ?M, and nM
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