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At a certain temperature the solubility of strontium arsenate, Sr3(AsO4)2, is 0.0640 g/L. Explain what is the Ksp of this salt at this temperature?
Compute the change in entropy for 0.5moles of an ideal gas with a temperature independent specific heat capacity of cp, m=2R that undergoes an irreversible change between each pair of states listed below.
How might the yield of product be affected by adding twice as much water as is specified, while keeping the quantities of the other reagents the same
Aluminum reacts with oxygen gas in a combination reaction to produce aluminum oxide. How many moles of oxygen gas are needed to react with 1.64 moles of aluminum
If a solution of Na2CO3 has a pH of 10. The CO32- on is the conjugate base of the HCO3- ion. State the net ionic equation for the reaction which makes a solution of Na2CO3 basic.
write complete ionic and net ionic equation for the following reaction lithium sulfate and strontium chloride.express
The solubility of PbS in water is 7.0 x 10 ^-29mol/L. Will its solubility increase or decrease in a solution that has a pH of 9.4
Grams and centimeters in the metric system have been defined so that the density of water at 3.98 C is exactly 1. At 20 C, the density of water is 0.9982 g/ml. What percent error results from the assumption that the density of water is 1.000 g/ml ..
how do you find delta change H° of gaseous HCl with the following information: 1) N2(g) + 3H2 (g) > 2NH3(g) delta changeH°(rxn) = -91.8 kj 2) N2(g) + 4H2 (g) +Cl2 (g) > 2NH4Cl(s) detla changeH°(rxn)= -628.8 kj 3) NH3 (g) +HCl (g) >NH4Cl(s) delta c..
Iron (III) oxide reacts with carbon monoxide to form elemental iron and carbon dioxide. How many grams of CO are required to react with 2.78 grams of Fe2O3?
Reaction of 1.5 g calcium chloride with 3.4 g of silver nitrate gives 2.7 g of silver chloride. Write the balanced formula and net ionic equations for the reaction. Determine the limiting reagent and the theoretical and percent yields of silver ch..
Suppose that you have 0.500 L of each of the following solutions, and an unlimited supply of water. (Note: C9H7NHBr is a salt containing the ions C9H7NH+ and Br? and C9H7N is quinoline,
Assuming levels of atmospheric CO2 are 390 ppm CO2, what is the pH of rainwater in equilibrium with the atmosphere for the pre-industrial atmospheric CO2 concentration of 280 ppm,v.
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