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Which reactant is in excess from the reaction of 35.0 g of hydrogen with 276 g of oxygen to form water?Options:
HOO2H2H2O
How long would it take for 1.50 mol of water at 100.0 C to be converted completely into steam if heat were added at a constant rate of 21.0 J/s?
In the titration of a weak base (0.100 M piperazine, 40 mL) with a strong acid (0.100 M HCl). Calculate the pH values between 0 mL Va and 100 mL in 10 mL steps. The two Ka values of piperazine are 4.65 x 10^-6 and 1.86 x 10^-10
Assuming a temperature of 500 K and expansion against 1. atm of pressure, how much work, in joules, can be done by the system if the octane is completely converted to carbon dioxide and water vapor. What will the enthalpy change be for the process
What is the molecular equation, total ionic equation, and net ionic equation for the reaction of Pb(NO3)2 and HCl
At a particular temperature the equilibrium constant for the reaction: H2(g) + F2(g) ? 2HF(g) is K = 36.0. A reaction mixture in a 10.00-L flask contains 0.42 moles each of hydrogen and fluorine gases plus 0.15 moles of HF.
Propose a reaction sequence for the conversion of benzoic acid into phenylacetic acid. No need for mechanisms
For the hypothethical reaction A-products, the concentration of A was monitored with time. from the followimg graph
Draw electron-flow arrows on the structure on the left to indicate how the electrons reorganize to give the structure. Please Draw all steps and add charges where needed.
A physiological saline solution contains 154 mEq/L each of Na+ and Cl-. How many moles of Na+ are in 1.00L of the saline solution?
a hydrated compound has an analysis of 18.29% Ca 32.37% CI and 49.34% water. what is the empirical formula?
Determine the new equilibrium concentration of hydrogen, if the hydrogen concentration is raised by 0.299 M?
a 26.0 ml sample of a liquid was found to have a mass of 13.0g. what is the density of the liquid?
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