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1) What volume (in liters) of water vapor will be produced when 38 L of H2 and 19 L of O2 react according to the equation given below? (assume that the reactants and product are all at the same temperature and pressure.)
2H2(g)+O2(g)--->2H2O(g)
2) Under constant pressure conditions a sample of hydrogen gas initially at 31C and 7.2 L is cooled until its final volume is 5.7 L what is its final temperature?
3) A gas-filled balloon with a volume of 2.15L at 1.20atm and 20C is allowed to rise to the stratosphere (about 30km above the surface of the earth) where the temperature and pressure are -23C and 3.00*10^-3 atm, respectively. calculate the final volume of the balloon.
4) At a birthday pool party, the temperature is 29.5C and the atmospheric pressure is 765.4mmHg. One of the decoration hellium balloons has a volume of 6.25L. what would be the volume of the balloon if it were submerged in a swimming pool to a depth where the pressure is 922.3mmHg and the temperature is 27.35C?
5) At what temperature (in C) will a sample of gas occupy 92.8L if it occupies 50.0L at 90.0C? (assume constant pressure).
Compound A, C9H12, undergoes nitration to give 3 products. The 1H NMR spectrum of A shows a complex three-proton multiplet at 6.92-6.99 ? and a nine-proton singlet at 2.34 ?
How much Fe++ could be present in water containing 0.4 x 1e-02 M HCO3- (bicarbonate) without causing the precipitation of FeCO3 (Ksp=10**(-10.7))
In a combustion reaction 4 moles of C8H18 react with 8 moles of O2. If the actual yield of CO2 produced is 28.16 grams, what is the percent yield?
If 10 g of C react with 115 g of O2 according to the equation C + O2 → CO2, how many g of O2 will remain unreacted?
Based on the solubility rules, which one of these compounds should be soluble in water?
Assume that this rate remains constant for a short period of time What is A 5.00min after the reaction is started? At what time after the reaction is started will A= 0.565M?
Predict the sign of the entropy change in the system for each of the following processes, and explain your answers. 1) AgI precipitates from a solution containing Ag+ and I- ions.
How many grams of Na3PO4 will be needed to produce 500ml of a solution that has a concentration of Na ions of 0.600M
If 116g of butane burns in the presence of 320g of oxygen how much carbon dioxide will be produced
How much helium gas would it take to ?ll a gas balloon with a volume of 1020 cm 3 when the temperature is 39.0? C and the atmospheric pressure is 724 mm Hg? Answer in units of mol.
pKa of a carboxylic acid group found on a molecule of DOM is 4.2 and pKa of An amino group found on a molecule of DOM is 9.3. Explain how pH influences the ability of these groups to bind to metals. Illustrate how well each of these groups would b..
Calculate the energy per photon of electromagnetic radiation, for a photon having a frequency of 5.16 X 10^19 Hz (h = 6.626x10^-34 J s):
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