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A piece of copper metal is intially at 100C. It is dropped into a coffee cup calorimeter containing 50.0 g of water at a temperature of 20.0C. After stirring, the final temperature of both the copper and water is 25.0C. assuming no heat loss, and that the specific heat (capacity) of water is 4.184 J/g*K, what is the heat capacity of the copper in J/K ?
Using K=3.9 as the equilibrium constant, Keq, Compute the amount of Isoamyl acetate, also known as isopentyl acetate (C7H14O2 )that must be present at equilibrium.
A 81 L sample of dry air cools from 145C to -22C while the pressure is maintained at 2.85 atm. What is the final volume?
if 5.50 mol calcium carbide reacts with an excess water, how many moles of acetylene will be produced?
An acre of corn can produce about 375 gallons of ethanol, using only the kernel of the corn for conversion to ethanol. Assume the energy input to produce an acre of corn is 15000000 kJ.
where all compounds are assumed as covalent then determine which reaction must be endothermic and also explain your answer briefly?
What is the molaity of a solution prepared by dissolving 75.8 of ethylene glycol, HOCH2CH2OH, in 1.45 L of water? assume the density of water is 1.00 g/mL.
Write a balanced equation for the reaction that occurs in each of the following cases: (a) Cesium is added to water. (b) Strontium is added to water.
A student dehydrated 10.0 g of 2-methyl-2-butanol with %50 sulfuric acid and obtained 6.50 g of products. Calculate the theoretical yield and the percent yield.
a hybrid electric vehicle, has an EPA gas mileage of 52 mi/gal in the city. How many kilometers can the Prius travel on 15 liters of gasoline?
What volume will 135 g of butane occupy at 745 torr and 35 C?
what is the ph of the 0.20 M NH3/0.20 M NH4Cl buffer after the addition of 10.0 ml of 0.10M HCl to 65.0 ml of the buffer.
A sample of sodium reacts completely with 0.426 kg of chlorine, forming 702 g of sodium chloride. What mass of sodium reacted?
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