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If a 1.84 g sample of an alkaline Earth metal hydride was treated with an excess of dilute hydrochloric acid as well as the resulting gas was collected in a 1.000 L container at 20 C. The measured pressure of the gas was 750.0 mmHg.
State the alkaline Earth metal?
State the formula for the metal hydride?
which ions in water make it 'hard'? is it possible to test for only one of these ions quantitatively in the presence of the other.
What mass of ethanol is present in the vapor? (the vapor pressure of ethanol is 10.0 torr at -2.3 degrees C and 40.0 torr at 19 degrees
When the body metabolizes glucose water and carbon dioxide are produced according to the following equation. C6H12O6 + 6 O2 --> 6 CO2 + 6 H2O
What is the molar mass of an unknown gas if the density of that gas is 0.726 grams/liter at a pressure of 0.634 atm and a temperature of
Calculate the number of moles of an ideal gas if it has a pressure of 1.21 atm, a volume of 1.68 L, and a temperature of 217 oC. Use R = 0.0821 L-atm/mol-K for the value of the gas constant
A sample of nitrogen has a volume of 605 mL at a pressure of 84.77 kPa. Assuming that the temperature is constant, at what pressure will the gas has a volume of 0.766 L
At 320 K and 16 atm pressure, the molar volume of ammonia, NH3, is about 10% less than the molar volume of an ideal gas. The best explanation for actual volume being this much smaller than ideal volume is that
Explain how many seconds are required to produce 1.0 g of silver metal by the electrolysis of an AgNO3 solution using a current of 30 amps
The value of Ksp for silver sulfide, Ag2S , is 8.0x10^-51 . Calculate the solubility of Ag2S in grams per liter. If you could, can you tell me how u did them
How much of either 5.0 M HCl or 5.0 M NaOH must you add (and which one)? Assume the pka for imidazole is 7.0.
a compound is constituted by mass of 22.6 phosphorus the rest being chlorine. given that a volume of 307 ml of the gas
2H2S (g) + 3O2 (g) → 2H2O (g) + 2SO2 (g) If 3.50 G Of H2S Are Used In The Above Reaction, What Will Be The Theoretical Yield Of Water In Grams?
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