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what is the value of Kc for the following reaction at equilibrium: CO2(g) + H2(g)<>CO(g) + H2O(g) if [CO]=.20 M, [H2O]=.30 M, [CO2]=.30 M, and [H2]=.033M?
As the electron in a hydrogen atom jumps from the = 3 orbit to the = 7 orbit, does it absorb energy or emit energy?
how many grams of silver nitrate are present when 8.50 g of silver are in a sample?
The hydrogen is recovered as its most stable oxide. When the oxide was made to decompose completely it released 1.274x10^25 molecules of oxygen gas.
A cylindrical glass tube 15.0 cm in liength is filled with ethanol. The mass of ethanol needed to fill the tube is found to be 9.64g.
Calculate concentrations of H30+ and the pH of each acidic solution. Since HCl is a monoprotic acid, the H30+ concentrations are equivalent to HCl. First do equation: (M con)(V con)=(M dil)(V dil)
A solution contains Cr3+ ion and Mg2+ ion. The addition of 1.00 L of 1.55M NaF solution is required to cause the complete precipitation of these ions as CrF3(s) and MgF2(s). The total mass of the precipitate is 50.2g.
Draw one product structure for the following Diels Alder reaction. For ONLY the chirality centers with D and C(=O)H groups, specify the stereochemistry via wedge-and-dash bonds. (D is deuterium
If this gas is brought to a final temperature of 150 degrees Celsius while the volume is held constant, what is the final pressure?
At a certain temperature, the root mean square speed of CH4 molecules is 1610 km/h. what is the root mean square speed of CO2 molecules at the same temperature ?
Calculate the molarity of 500.0 cm3 of solution containing 18.5 g of calcium nitrate Ca(NO3)2
When making an alcoholic beverage, such as beer and wine, Brix is a measurement used to assess the amount of sugar present in the fermentation matrix or grape juice.
If gasoline's composition is estimated to be 50% octane, 25% pentane and 25% ethly benzene on a mol basis, calculate the mols of oxygen required per mol of fuel for complete combustion.
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