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A 3.00-L flask contains nitrogen gas at 25°C and 1.00 atm pressure. What is the final pressure in the flask if an additional 2.00 g of N2 gas is added to the flask and the flask cooled to -55°C?
How many moles of gas are in a balloon with a volume of 2.14 liters at a temperature of 298 K and a pressure of 1.11 atm?
Explain why the form of the equilibrium constant for a chemical transformation can be predicted from its stoichiometric coefficients whereas
A piece of metal that has a density of 5.2 g/cm3 and a mass of 100 g was placed in a full jar of water. How many mL of water spilled out of the jar?
how much NaCl is present in one serving (105g ) of chips? Express your answer to three significant figures and include the appropriate units. (in grams)
What is the final Celsius temperature if 4.55 L of nitric oxide gas at 35°C is cooled until the volume reaches 1.00 L
what is the enthalpy of the reaction 2X(aq)+Y(l) ? X2Y(aq) given that the solution has the same heat capacity as water?
A sparingly soluble salt gets precipitated only when the product of concentration of its ions in the solution (Qsp) becomes greater than its solubility product. If the solubility of BaSO4 in water is 8 × 10-4 mol dm-3, calculate its solubility in ..
In the following reaction, C2H5OH + 3O2 → 2CO2 + 3H2O, if 54 grams of water is produced, how many grams of C2H5OH is needed for the reaction.
Determine the number of grams of O2 consumed.
If 145 grams of potassium nitrate were added to water to make 1,500 mL of solution, what would be the molarity of the resulting solution?
Find out the amount of energy released by this process of fission of a single U 235 atom and expree your answer in joules?
The activation energy of a certain reaction is 77.3 kj/mol. How many times faster will the reaction occur at 41 degrees celcius than at 0 degrees celcius?
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