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Explain when heated, calcium carbonate decomposes to yield calcium oxide and carbon dioxide gas via the reaction
CaCO3(s)?CaO(s)+CO2(g)
Explain how many grams of calcium carbonate are needed to produce 59.0L of carbon dioxide at STP?
What will happen to the equilibrium as OH- ions are added?
From the point at which the cardiac cycle commences that is the electrical excitation is initiated in the S.A node arrange the subsequent events in the correct sequence.
What is the volume of the container needed to store 0.8 moles of argon gas at 5.3 atm and 227°C.
A sample of S8 (g) is placed in a container at 1325 K at an initial pressure of 1.00 atm, where it decomposes to S2 (g) by the reaction, S8 (g) 4S2 (g), At equilibrium, the partial pressure of S8 (g) is 0.25 atm. The Kp at 1325K is
Using Hess' Law, calculate the enthalpy of formation for C3H8(g) using the following thermodynamic data. C(s) + O2(g) ----> CO2(g) delta H =-393.5 kj/mol
A second-order reaction has a rate constant , k, of 0.90 1/M.min. If the initial concentration of the reactant is 2.25 M , what will be the concentration of reactant after 10 minutes?
The major monochrominated product which results when ethylcyclohexene is subjected to free rdical bromination is one of the following. chose your answer from the list provided.
The normal boiling point of acetone is 56.5°C. At an elevation of 5300 ft the atmospheric pressure is 630. torr.a. What would be the boiling point of acetone (AHvap = 32.0 kJ/mol) at this elevation?
Looking at the structures for blue indigo and white indigo, how can you tell that white indigo is the reduced form. What chemical process happens as the fabric dries
Cobalt oxide, CoO, is a largely ionic compound. What coordination number and crystal structure would you expect for this oxide. Draw this structure
a mass of 2.50 g of hydrated copper sulfate is placed in a crcible and heated. on heating, 1.59 g of white anhydrous copper sulfate is left behind. determine the ratio of water to copper sulfate.
compute the total pressure atmosphere atm of a mixture of helium gas he of 0.0200 molnbsp and 0.0100 mol of hydrogen h2
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