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For the first-order reaction, 2N2O---> 2N2 + O2, what is the concentration of N2O after 3 half-lives if 0.15 mol of N2) is initally placeed into in a 1.00-L reaction vessel?
The equation below describes the combustion of propane. C3H8(g) + 5O2(g) ? 3CO2(g) + 4H2O (l) a.In the presence of excess oxygen, how many g of CO2 are formed if 322 g of propane are consumed
The pH of a bicarbonate-carbonic acid buffer is 8.00. Calculate the ratio of the concentration of carbonic acid (H2CO3) to that of the bicarbonate ion (HCO3-).
Draw the electron-dot formula and predict the shape for each polyatomic ions: a) NO2^-; b) PO4^3-; c) ClO4^-; d) SF3^+.
What are the equilibrium concentrations of each reactant and product? (All three substances are gases at 250 °C)
How many seconds does it take to deposit 1.63g Ni on a decorative drawer handle when 13.7A is passed thorugh a Ni(NO3)2 solution
Given the following at 25°C and 1.00 atm: 1/2N2(g) + O2(g) ® NO2(g)DH0 = 33.2 kJ N2(g) + 2O2(g) ® N2O4(g)DH0 = 11.1 kJ Calculate the DH0 for the reaction below at 25°C. 2NO2(g) ® N2O4(g)
15.0 moles of gas are in a 5.00L tank at 22.2°C. compute the difference in pressure between CH4 and an ideal gas under these circumstances. The van der Waals constants for CH4 are a=2.300L2⋅atm/mol2 and b=0.0430 L/mol.
Using the concentration of CH3COOH (0.8326M) and the equilibrium concentration of H3O+ (OJ = 31.6x10^-6 and milk = 3.16x10^-8), complete the reaction table for vinegar. Then calculate the acidity constant. Please show all work in solving the probl..
what is the total pressure in a cannister that contains oxygen gas at a partial pressure of 804 mm Hg, nitrogen at a partial pressure of 220 mmHg, and hydrogen at a partial pressure of 445 mmHg.
The total (inner + outer) chloride content of a second sample, weighing 0.2222 g, are titrated with 40.00mL of 0.1000M \(AgNO_{3}\) What is the ratio of moles of total chloride to mass of complex
CaCN2 + 3 H2O -> CaCO3 + 2 NH3 . How much CaCO3 is produced if 47.5 moles NH3 are produced?
The electrolysis of molten A12O3 at 980 ºC is used to produce metallic aluminum. A current of 520 A is used in the electrolysis cell. What is the rate of formation of aluminum
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