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The following mixture was prepared in a reactor at 460°C. [SO2] = 0.0200 M; [NO2] = 0.0200 M; [NO] = 0.100 M; [SO3] = 0.100 M What will the concentrations of the four gases be when equilibrium i
Calculate the pH during the titration of 10.00 mL of 0.400 M hypochlorous acid with 0.500 M NaOH. First what is the initial pH (before any NaOH is added)
CaCO3(s) CaO(s) + CO2(g) H°rxn = 175 kJ How will the amount (not concentration) of CaCO3(s) change with the following stresses? CO2(g) is removed. CaO(s) is added. The temperature is increased.
Draw the major product that is formed when 2-butyne is treated with an excess of hydrogen gas and a platinum catalyst.
The decomposition of HI(g) is represented by the equation 2HI(g) H2(g) + I2(g) Kc= 64 at 25°C. If the equilibrium concentrations of H2 and I2 at 400°C are found to be [H2] = 9.3x10-4 M and [
Since heat is an extensive property, the amount of heat that is produced depends on the amount of reactants utilized in the reaction. If you have more reactant then you will have more heat. Just thi
Calculate the pH during the titration of 10.00 mL of 0.400 M hypochlorous acid with 0.500 M NaOH. First what is the initial pH (before any NaOH is added). The Ka for HOCl is 3.0 x 10-8 M.
What happens when the base solution was added to the acid solution but was not stirred while temperature measurements were made
The equation for the combustion of gaseous methanol is: 2CH3OH(g) + 3O2(g) ? 2CO2(g) + 4H2O(g) Estimate the ?H°rxn per mole of methanol combusted
The base solution was added to the acid solution but was not stirred while temperature measurements were made. Some of the base splashed out of the calorimeter while pouring
The equation for the combustion of gaseous methanol is: 2CH3OH(g) + 3O2(g) ? 2CO2(g) + 4H2O(g) Estimate the ?H°rxn per mole of methanol combusted, using the bond energy data provided below
what happens when the calorimeter cup has several milliliters of water in it when you added in the HCl
A sample of oxygen is collected over water at a total pressure of 616.8 mmHg at 30 deg Celsius. the vapor pressure of water at 30 deg celsius is 31.8 mmHg. What is the partial pressure of the O2
A vessel with a volume of 23.1 L contains 2.80 g of nitrogen gas, 0.403 g of hydrogen gas, and 79.9 g of argon gas. At 25 deg celsius, what is the pressure in the vessel
Which of the following pairs of molecules is listed in order of decreasing net dipole moment (from more polar molecule to less polar molecule)
Given the following balanced chemical equation, if 345 g of I2 are formed, how many g of Cl2 had to react? 2 FeI2 + 3 Cl2 ? 2 FeCl3 + 2 I2
A 27.0 L sample of nitrogen at 7.85 atm and 27 deg Celsius is simultaneously expanded to 63.4 L and heated to 35 deg Celsius. What is the new pressure of the gas
Use the octet rule to predict the formula of the simplest compound formed from hydrogen and silicon.
Using the following balanced reaction , how many mol of water are formed if 5.20 mol of Fe (OH)3 react completely. 2Fe (OH)3 +3H2SO4 --> 6H2O +Fe2(SO4)3
Given the following balanced chemical equation, how many mol of NaN3 can be formed if 2.50 mol of Na are allowed to react with 4.50 mol of N2? 2Na +3N2 --> 2NaN3
If sample of sodium is dropped into a container of water the reaction is 2Na +2H2O ---> 2NaOH +H2. If 10.4 g of hydrogen are produced, how many g of NaOH are also formed
Citric acid, represented by H3Cit, is a triprotic acid. A student mixes together the following solutions in a styrofoam coffee cup: • 5.00 mL of 0.64 M citric acid
Given the following balanced chemical equation Ca(OH)2+2HCl-->CaCl2 +2H2, if 56.7g of calcium hydroxide react completely, how many g or HCl also reacted
How do glucagon and epinephrine block fatty acid biosynthesis. How does insulin activate fatty acid biosynthesis
Given the following balanced chemical equation 2CH3H6+9O2-->6CO2 +6H2O, if 15.7 mol of water are formed, how many mol of O2 reacted