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A 8.45-L container holds a mixture of two gases at 33 °C. The partial pressures of gas A and gas B, respectively, are 0.415 atm and 0.606 atm. If 0.190 mol of a third gas is added with no change in volume or temperature, what will the total pressure become?
if 114 kilo joule is given off per mole of ethylene reacting determine how much heat is released when 14.8 kilo grams
A 4.78 g sample of aluminum completely reacts with oxygen to form 6.67 grams of aluminum oxide. Use this date to calculate the mass percent composition of aluminum in aluminum oxide.
The number density of atoms (mostly hydrogen) in interstellar space is about 10 per cm3, and the temperature is about 100K. a. Calculate the pressure of the gas in interstellar space, and express it in atmospheres.
What volume of O2 at 798 mm Hg and 39 degrees celsius is required to synthesize 19.0 mol of NO
How much 0.02500 M nitric acid solution (in mL) is needed to titrate 125.0 mL of a 0.01000 M calcium hydroxide solution? Hint: Begin by writing the acid-base neutralization reaction
A solution of water and a nonvolatile, nonionizing compound is placed in a tube with a semipermeable membrane on one side. the tube is placed in a beaker of pure water. What initial net effect will occur?
What is the change in pH when 0.005 moles of HCl is added to 0.100 L of a buffer solution that is 0.100 M in CH3CO2H and 0.100 M NaCH3CO2? The Ka for acetic acid is 1.8 x 10-5.
Arrange the following compounds in order of increasing acidity: Benzenethiol, cyclohexyl mercaptan, cyclohexanol
A reaction has the stoichiometry A + B + C ? P. The concentration of P one minute after mixing the reactants is measured for various initial concentrations of reactants
Name the kinds of attractive forces that must be overcome in order to melt potassium metal. it can be more than one
Chlorine reacts with potassium iodide. What would the color of the resulting solution be. What is the oxidation half-reaction for this step.
If 200ml of 2.00M HCL solution is added to 400ml of 1.00M NaOH solution What molarity will the resulting solution NaCl have?
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