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What is the molality of a solution that contains 80.0 g Al2(SO4)3 in 625 g H2O?
Empirical and Molecular Formulae, The analysis of an organic compound produces the following elemental analysis: % C is 59.999% and % H is 4.476%.
Consider the unbalanced equation: C5H12(l) +O2(g) --> CO2(g) +H2O(l) if 25.2 grams of pentane (C5H12) are burned in excess oxygen, how many grams of H2O will be produced?
what effect does increasing the temperature have on equilibrium? what effect does adding a catalyst have on equilibrium?
For the following reaction, label the acid, base, conjugate acid, and conjugate base. Given the following values for Ka, circle the stronger acid and stronger base and predict whether the equilibrium is toward the reactants or products.
Explain What is the concentration of the HCl, A 25.00 mL sample of HCl of unknown concentration is completely neutralized with 25.00 mL
suppose a can contains gas at a pressure of 755 mm Hg and a temperature of 25 degrees celsius, what would be the pressure if the can was heated to 1155 degrees celsius ?
A gas at 89.0°C occupies a volume of 0.67 L. At what Celsius temperature will the volume increase to 1.12 L
A closed container holds 3.14 mol of C(s) and 12.3 mol of O2(g) at 4.94 atm and -4°C. After the reaction has been run to completion (the only product is CO2(g)).
Calculate the mass of AgNO3(s) that must be added to 0.500 L of a solution of 0.154 M NaClsolution to precipitate ‘all' of the chloride ion. The ‘all' means that we want to add the same number of moles of silver ion.
What is the molar concentration of the excess reactant once this reaction has finished? (40%)
A 4.70 g nugget of pure gold absorbed 255 J of heat. What was the final temperature of the gold if the initial temperature was 24.0°C? The specific heat of gold is 0.129 J/(g·°C).
Imagine that you have a 5.00L gas tank and a 4.50L gas tank. You need to fill one tank with oxygen and the other with acetylene to use in conjunction with your welding torch.
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