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Determine the molarity of a solution prepared by dissolving 4.50 mol of NH4Cl in sufficient water to make 2.00 L of solution.
If the solubility of nitrogen is blood is 1.90 cc per 1.00 atmosphere, what is the solubility of nitrogen is a scuba diver's blood at a depth
calculate the heat energy released when 15.1g of liquid mercury at 25 degrees C is converted to solid mercury at its melting point
How many mL of 4.50 M sodium hydroxide must be added to 250 mL of a 0.200 M nitrous acid solution to make a buffer with pH = 3.00?
CaCO3(s) + 2 HCl(aq) -> CaCl2(aq) + H2O(l) + CO2(g) How many mol CaCO3 can be dissolved in 0.0575 mol HCl?
2.4 g of a hydrocarbon fuel is burned in a calorimeter that contains 262 grams of water initially at 25.00 C. After the combustion, the temperature is 26.55 C.
What volume in liters of O2(g) is required to form 46 L of CO2(g)? Assume both gases are measured under the same conditions.
What is the equilibrium constant for K2CrO4 and what is the equilibrium constant for K2Cr2O7?
Compute w when 181 grams of iron (III) oxide (MM = 159.7 g/mol) combines with excess carbon(C)) to produce carbon dioxide(CO 2 ) gas at 359 K: express your answer in kilo joules
calculate the molar concentration of all the ions remaining in solution after the reaction has taken place ... Cr(III), hydroxide, potassium, nitrate
Identify the geometry of the iron(III) complex in water and the complex ions produced in the above reactions
What is the change in internal energy (in J) of a system that releases 675 J of thermal energy to its surroundings and has 7.60x10^2 cal of work done on it
A 14.0-g sample of CaCl2 is dissolved in 131 g of water, with both substances at 25.0°C. Calculate the final temperature of the solution assuming no heat lost to the surroundings and assuming the solution has a specific heat capacity of 4.18 J/°C ..
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