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Compound B is burned in a calorimeter containing 1.5L of water.when 50.0g of compound B is burned in the calorimeter, the watertemp raises 35degrees C. if the heat of combustion of compound B is2150kj/mol, what is the molar mass of compound B? [specific heat ofwater is 4.18j/g/degreeC]
a constant electric current deposits 0.365 g of silver metal in12960 seconds from a solution of silver nitrate. what is
draw an electron-dot structure for hydrogen peroxide. write balanced chemical equations for reactions of hydrogen
at tire depot a pair of new tires sells for 216 . the managers special advertise the same tires selling at a rate of
Calculate the equilibrium concentrations of I2, Cl2, and ICl. (Kc = 0.110 at this temperature.)
For each of the following states described in the following list, calculate the final pressure, as well as q, w, ?U, and H. a) the gas is expanded isothermally and reversibly until the volume doubles
You are given a 1 M MgSO4-7 H2O solution and a 0.5 M EDTA solution. Calculate how to make a 100 mL solution containing 50 mM MgSO4 and 10 mM EDTA. List the amounts of all components including water.
The titration required 21.62 ml to turn he solution clear. What was the concentration of the iodate in the solution? What was the Ksp that the student determined for the titration?
a disgruntled postal worker dumps a liquid culture of anthrax into a river nine hundred meters upstream of the intake
calculated on the basis of 1g mol pV = zRT so U = H- pV = H-zRT U ?=16,660-0.96/ x 8.314/ x 283/ x /1000=16,658 Is this calculation correct
determine that how many moles of molecular hydrogen are used per mole of the precatalyst in order to convert it
If 5.00 g Br2 and 3.00 g NH3 react according to the equation below, what is the maximum mass of ammonium bromide produced. 3 Br2(l) + 8 NH3(g) ? 6 NH4Br(s) + N2(g)
Gaseous phosphorus and chlorine combine to produce phosphorous trichloride: P2 (g) + 3Cl2 (g) -> 2PCl3 (g) ?G0= -642.9 kJ mol-1 What is the value of ?G in J mol-1 for a reaction mixture consisting of 1.5 atm P2, 1.6 atm Cl2, and 0.65 atm PCl3
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