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What is the chemical formula of the salt produced by the neutralization of nitric acid with calcium hydroxide?AnswerCa2(NO3)3Ca3(NO3)2CaNO3Ca2NO3Ca(NO3)2
A cylinder with a moveable piston contains 0.90 mol of gas and has a volume of 342 mL. What will its volume be if an additional 0.22 of gas is added to the cylinder?
A given mass of radium is over a million times more radioactive than the same mass of uranium
the heat of vaporization of benzene, C6H6, is 30.8kJ/mol at its boiling point of 80.1C. How much heat is required to vaporize 102g benzene at its boiling point?
Write the net ionic equations for the reactions.
What is the value of Keq for the reaction 4 HCl(g) + O2(g) reverse reaction arrow 2 Cl2(g) + 2 H2O(g)?
Distinguishing between Organic Molecules, What chemical tests might be used to distinguish between: pentanal and 2-pentanone, between benzyl alcohol and diphenylmethanol?
Molar mass from volumetric data, 2.64g of an organic base, isolated from a shrub in the mountains of Peru was dissolved in 100mL of water. 25.0mL of this solution required 27.5mL of 0.250mL HCL for complete neutralization
A sediment sample of clay was equilibrated with ammonium ion (NH4+). The ammonium ion was then displaced with Na+. The total amount of ammonium that had been adsorbed.
What is the limiting reactant when 4.5 moles of aluminum react with 6.7 moles of oxygen gas?
Calculate the final temperature when a 24.7 gram sample of ice at 0oC is placed into a styrofoam cup containing 126 grams of water at 78.0 oC. Assume that there is no loss or gain of heat from the surroundings.
Nitrosyl bromide, NOBr, is formed in the reaction of nitric oxide, NO, with bromine,Br2 : 2NO(g)+Br(g) 2NOBr(g) The reaction rapidly establishes equilibrium when the reactants are mixed
Calculate Enthalpy of HNCO given that the enthalpy of the following reaction is -221.4 KJ/mol.
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