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A 10.0 g sample of krypton has a temperature of 25°C at 575 mm Hg. What is the volume, in milliliters, of the krypton gas?
Determine the number of ammonia molecules in 4.85g of ammonia (NA= 6.022 x 1023 mol-1).
Calculate the molar solubility of stronium fluoride (SrF2) when dissolved in a 0.0800 M solution of stronium nitrate
How much heat is required to warm 213 g of ice from -46.3°C to 0.0°C, melt the ice, warm the water from 0.0°C to 100.0°C, boil the water, and heat the steam to 173.0°C?
A buffer solution is prepared by dissolving 1.51 g NH3 and 3.85 g (NH4)2SO4 in enough water to make 0.500 L of solution.
A compound is found to have a molar mass of 598 g/mol. If 35.8 mg of the compound is dissolved in enough water to make 175 mL of solution at 25°C, what is the osmotic pressure of the resulting solution?
calculate the amount of heat required to vaporize 8.48g of water at its boiling point
The half-life for the radioactive decay of [U]-238 is 4.5 billion years and is independent of initial concentration.
In a titration of HNO3, you add a few drops of phenolphthalein indicator to 50.00 mL of acid in a flask. You quickly add 26.50 mL of 0.0502 M NaOH but overshoot the end point
At a particular temperature, K 3.75 for the reaction SO2(g) + NO2(g) SO3(g) + NO(g) If all four gases had initial concentrations of 0.800 M
What volume of 0.25 M HCl solutions must be diluted to prepare 1.00 LK of 0.040 M HCl?
0.01M HCl reacts with 3.18 g Na2CO3. Here 50 mL of HCl is required for the reaction. Calculate the volume of CO2 produced at 273 K and 1 atm.
the pressure is measured as 8.75 atm. Which of these three gases below could be in the container and why? 1) Ar, 2)Co2, 3)HCl
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