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Determine the limiting reactant in each of the following reactions. Circle (Just label) the formula for the limiting reactant in each problem. Write the balanced equation and show all of your work. a. 3.50 mol of zinc reacts with 4.25 mol of silver nitrate. b. 10.6 mol of chlorine is added to 12.5 mol of potassium Iodide.
Concetrated acedic acid is a Class II combustible liquid. What is the molecular weight of acetic acid that will form 2 moles of CO2 assuming complete combustion.
An iron ore sample is a mixture of Fe2O3 and several impurities. A 752. g sample of the impure iron ore is heated with excess carbon.
How many kilograms of chalcopyrite must be mined to obtain 290. g of pure Cu ?
Calculating Delta H, Use some or all of the following reaction enthalpies to calculate delta H for the reaction:
Thirteen grams of titanium react with 60.0 g of bromine. How many grams of titanium(IV) bromide are produced, assuming 100% yield.
Compute the mass of air in an air-filled tire and the also determine the mass of He in a helium-filled tire
You have been provided with a 0.1M aqueous solution of glycine at pH 9.0. Calculate how much (in ml) of 5M NaOH solution that you must add to 1 L of this 0.1M glycine solution in order to bring its pH to exactly 9.80
Determine the delta G standard state at 298 K from the following standard state values at T= 298, Determine the delta G standard state at 1000K. assume delta H is independent of temperature
What is the final pH of a solution that contains 0.1 M of H2N-CH2-CH2-NH3+ Cl- and 0.01 M of Cl- NH3+-CH2-CH2-NH3+. The pKa values of the compound are as follows; pKa1= 7.5 and pKa2= 9.5:
A certain amount of glucose, C6H12O6 burned in oxygen, and produced 22 grams of carbon dioxide, CO2. How many grams of water was produced at the same time?
Describe the preparation of 1L solution of 0.02M Tris buffer, PH 7.8. Please don't just write numbers.. explain it.
Describe in brief the risk connected with solutions of 1M NH 3 , 1M HCl, and 1M NaOH?
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