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Suppose that you were pumping an automobile tire with a hand pump that pushed 24.0 inches cubed of air into the tire on each stroke, and that during one such stroke the opposing pressure in the tire was 30.0lb/in2 above the normal atmospheric pressure of 14.7 lb/in2. Calculate the number of joules of work accomplished during each stroke (1 atm= 101.325 J)
CaCN2 + 3 H2O → CaCO3 + 2 NH3 . How much CaCO3 is produced if 47.5 moles NH3 are produced?
A total of 18.31 mL Ne gas effuses through a hole in a plate in the same amount of time it takes 20.54 mL of another gas to effuse through the same hole under the same temperature and pressure conditions.
A gas sample containing 1.64 mol at 25°C exerts a pressure of 389 torr. Some gas is added to the same container, and the temperature is increased to 50.°C.
Calculate the equilibrium value of Pb+2(aq) in 1.00 L of saturated PbCl2 solution to which 0.250 moles of NaCl(s) has been added. Assume that no volume change occurs.
Calculate the pH of a buffer solution obtained by dissolving 22.0 g of KH2PO4(s) and 36.0 g of Na2HPO4(s) in water and then diluting to 1.00 L.
Must use heating method and provide complete list of items used as well as the variables. A hypothesis, aim and title will be greatly appreciated.
Calculate the partial pressure of each gas and the total pressure if the temperature of the gas is 21 degrees Celcius.
Element 107 was made by bombarding Bismuth-209 with Chromium-54. One product is a neutron, what is the balanced equation?
When you go on the protein databank and look at the Ramachandran plot, it gives you 4 plots (general case, glycine, proline, and pre-proline).
buffer solution from a solution of 0.200-M aniline, C6H5NH2, a weak base, and a solution of 0.100-M hydrochloric acid. take the pKa of aniline to be 9.13.
Draw the flow of e- and the products of the Methoxide Ion and water including formal charges on all compounds.
What is the vapor pressure, at 28 degrees C, of a solution made by mixing 80.0 g of C3H7SH and 120.0 g of CH3CN, if Raoult's Law is obeyed
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