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Reaction of 1.5 g calcium chloride with 3.4 g of silver nitrate gives 2.7 g of silver chloride. Write the balanced formula and net ionic equations for the reaction. Determine the limiting reagent and the theoretical and percent yields of silver chloride.
Calculate the pH of each of the following solutions ( Ka and Kb values are given in Appendix D in the textbook). 0.115 M hydrogen chromate ion (HCrO4^-).
For each of the elements below, there are only two naturally occurring isotopes. Using information in the periodic table, identify the pair in which the lighter isotope is the more abundant one.
what volume of dry H2 gas would theoretically be produced if it is measured at 20 degrees Celcius and 785 mmHg?
The amount of nitrogen in an organic substance can be determined by an analytical method, called the Kjeldahl method, in which all the nitrogen in the organic substance is converted to ammoinia.
A sample that has the formula MgCl2.6H2O loses a portion of water when it is dried in an oven but undergoes no other changes. If the student started with 10.000 g of the compound, and ends with a residue that weighs 7.342 g whats the formula of th..
Given a pure preparation of these algae, and the required supplies and equipment, devise and outline an empirical procedure for purifying Enzyme X.
Given the general equilibrium A + 2B C + D and the following concentrations, calculate the equilibrium constant. [A] = 0.2 M, [B] = 0.3 M, [C] = 0.1 M and [D] = 0.2 M
considering the given equation 4 ko2 2 h2o 4 co2 gt 4 khco3 3 o2 find out how many moles of water h2o are required
Determine the order of the decomposition reaction N2O5 by using the initial rate date in the table below: Experiment N2O5(g)(M) Initial rate (M/s) 1 .150 .0000860 2 .300 .000688
A sample of nitrogen gas, N2 is collecyed in a 100 mL container at a pressure of 688 mm Hg and a temperature of 565 degress celsius. How many grams of nitrogen gas are present in this sample.
A 15.0 grams lead ball at 25.0 celcius ws heated with 40.5 Joules of heat. Given the specifc heat of lead is 0.128 J/ grams. celsius, what is the final temperature of the lead?
What is the order of stability of these three isomers based on their steric energies. and Why.
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