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A weather balloon is filled to 125 L when the atmosphereic pressure is 748 mm Hg and the air temperature is 28 degrees celcius. It rises to where the atmospheric pressure is 787mm Hg and the temperature is -15 degrees celcius. What is the new volume?
That is, if you see a second layer of insoluble organic liquid, what could the unknown be in addition to a tertiary alcohol?
calculate the inimum temperature at which this process will be spontaneous under standard conditions. Assume that Delta Ho and Delta So do not vary with temperature.
The first-order rate constant for the decomposition of N2O5, 2N2O5 --> 4NO2 + O2 at 70 degrees C is 6.82 * 10 ^-3 . Suppose we start with 2.90×10?2 of in a volume of 1.7 L. A)
One compound of mercury with a formula mass of 519 g mol-1 contains 77.26%Hg, 9.25%C, and 1.17%H (with the balance beingO). Calculate the empirical and molecular formulas.
CaCO3(s) + 2 HCl(aq) -> CaCl2(aq) + H2O(l) + CO2(g) How many mol CaCO3 can be dissolved in 0.0575 mol HCl?
A student is required to generate 90.0 mL of carbon dioxide at 750 mm Hg and 21C using potassium hydrogen carbonate and HCl. What is the mass of the potassium hydrogen carbonate needed?
If 1.50 g of (NH4)2SO4 is dissolved in enough water to form 200. mL of solution, what is the molarity of the solution.
How many kilograms of CO2 are produced by the complete combustion of 1.00kg of this natural gas?
The principal quantum number, n, describes the energy level of a particular orbital as a function of the distance from the center of the nucleus. Additional quantum numbers exist to quantify the other characteristics of the electron
Magnesium oxide decomposes into magnesium and oxygen. If 12.09g of magnesium oxide decomposes to form 7.29g of magnesium, what mass of oxygen gas is also released in the reaction?
If 3.0 ml of distilled water is added to 2.0 ml of 0.35 M CoCl2 solution , what is the concentration of the resulting solutions?
The aqueous electrolytic solution (d= 1.230 g/cm^3) in a typical automotive battery contains approximately 368 g of hydrogen sulfate (H2SO4, sulfuric acid, MM= 98.07948 g/mol) per liter. Calculate the following concentrations
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