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Told ball had a wavelength of 5*10-26nm velocity of 60mph what would be the mass of the ball in pounds?
Calculate the molar solubility of barium fluoride in water at 25 degrees celsius. The sp constant for BaF2 at this temperature is 1.0x10^-6.
How many kilojoules of heat are absorbed when 7.20g of MgO(s) is decomposed into Mg(s) and O2 (g) at constant pressure?
the thermite reaction is performed using 8.6g Fe2O3 and 1.8g powdered Al metal. which reactant is in excess and by how much?
Find out what will be the half-lives if [NOBr]o = 0.054 M - The rate constant for the second order reaction Is 0.80 M-1s-1 at 10 degree celsius temperature
An auto mechanic spills 72 mL of 2.6 M H2SO4 solution from a rebuilt auto battery. How many milliliters of 1.5 M NaHCO3 must be poured on the spill to react completely with the sulfuric acid?
How many pounds of CO2 are produced from the complete combustion of 1.00 gal of gasoline? Assume that gasoline has the formula C8H18 and has a density of 0.703g/mL.
determine both the position and velocity (momentum) of an atom or subatomic particle such as an electron and thus negate the uncertainty principle? Fully explain your answer.
A 2.15 g sample of white solid was vaporized in a 345 mL vessel. If the vapor has a pressure of 985 mmHg at 134°C, what is the molecular weight of the solid
The enthalpy change at 25C and 1 atm for the complete burning of 1 mol of acetone in oxygen to give CO2(g) and H2O(l) is -1791kJ. Calculate the standard enthalpy of formation of acetone.
soluble plant fertilizer is 0.070% by weight. if a 19.0g sample of this fertilizer is dissolved in 2.0L of solution, what is the molar consentration
Look carefully at the frontier MOs of the diatomic molecule, BF and determine the most basic site. Based on your observations, predict the structure that results when H+ adds to BF.
The heats of endothermic reactions are assumed the same as the heats of exothermic reactions, thus neglected for this estimation. The heat capacity of this woody biomass, 2.72 kJ/kg·?C, is assumed constant.
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