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Ferrophosphorus reacts with pyrite producing iron (II) sulfide as well as a compound that is 27.87% P and 72.13% S by mass as well as has a molar mass of 444.56 g/mol
The molecular mass of propanoic acid is 75.1 amu. Calculate the molecular mass of methyl ethanoate, an isomer of propanoic acid. Express your answer with appropriate units.
Imagine two solutions with the same concentration and the same boiling point, but one has benzene as the solvent and the other has carbon tetrachloride as the solvent. Determine that concentration and boiling point.
Dry coke is combusted with dry air to generate the solid refuse, the flue gas and the superheated steam. Calculate the heat transfer to of from the process. Use a constant Cp for the inert of 8.5 J/g and assume everything at 1atm.
When limestone (which is principally CaCO3) is heated, carbon dioxide and quicklime (CaO) are produced by the reaction CaCO3(s)?
How many mL of .150M bacl2 are needed to react with 35mL of .200M na2so4? How many grams of BaSO4 will be formed?
Calculate the delta G of a reaction at T=25 degrees C that has an equilibrium constant (K) of .56. Is the delta G value negative, positive
What is the millimolar concentration of dissolved oxygen for a lake or stream under the partial pressure of oxygen and a temperature of 12 degrees Celsius?
a certain first-order reaction a to products has a rate constant of 4.20times10-3 at 45 degrees celcius. how many
Mecury has mp= -38.9 C, a molar heat capacity of 27.9J/(K.mol) for the solid, and heat of fusion =2.33kJ/mol. assuming that the heat capacities dont change with temperature, how much energy (in kJ) is needed to heat 7.5g of Hg from a temperature o..
What mass of water is necessary to prepare each of the following solutions? 1.) 200.0g of 1.30\% saline solution 2.) 80.00g of 15.0\% sugar solution
Write out and balance the reaction for the decomposition of calcium chloride in water. Calculate the enthalpy of the reaction.
a certain weak acid ha has a ka value of 5.8times10-7.1. calculate the percent dissociation of ha in a 0.10 m
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