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Q. How many atoms of mercury will be reported if 3.60mg of mercury was deposited on 200g of an ash?
Q. Compute the heat amount required to heat a 3.9kg gold bar from 28 degree Celsius to 68 degree Celsius. Given Specific heat capacity of gold = 0.128 J/g°C.
Using a sample of gas has a mass of 38.7mg. Calculate the molar mass if its volume is 228mL at a temperature of 57°C and a pressure of 832torr?
While 1.22 g of a white solid, supposed of being pure cocaine, a molecular compound, is dissolved in 15.60 g of C6H6 the freezing point is lowered by 1.32 ¬0C. Compute the molar mass of the solid. Kf value for benzene = 5.12C/m.
Application of Boyle's Law - Determine the molecular formula of the compound
Using a sample of 30.0 mL of Kr(g), is at 25°C and 756 mmHg. Calculate the new volume if the temperature is decreased to -125°C and pressure is decreased to 325 mmHg .
Identify the orbitals to which a 4d electron may make an emission transition in the hydrogen atom and determine the dissociation energy of the molecule
A container (8.65-L ) holds two gases mixture at 31 °C. The partial pressures of gas X and gas Y, respectively, are 0.206 atm and 0.867 atm. If 0.200 mol a third gas is added with no change in temperature or volume determine the total pressure be..
Find the temperature and the pressure of a gas inside the cylinder - what was the initial pressure of the gas in the cylinder?
Write balanced chemical equation and evaluate the molecular weight of the reactants and Calculate the molecular weights of the reactant.
Fundamentals of acids and bases - Water self ionizes to a small extent creating equal concentrations of hydronium and hydroxide ions. Find the molar concentration of these ions in water at 25 o C?
Write balanced chemical equations for the following reactions.
Explain the steriochemisty of gyceraldehyde and glycerol, give reasons for absence of anomeric forms in sucrose
calculate the estimated ratio of the protonated form of acetylsalicylic acid to the deprotonated form of aspirin at equilibrium in the stomach? acetylsalicylic acid(Aspirin) is a weak acid with a pKa = 3.4, Stomach acid has pH = 1.4.
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