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Suppose that a compound "x" can be made from the reaction of two other compounds, "a" and "z". A. write a balanced equilibrium expression for this reaction. B. write an expression for the equalibrium product, K, for this reaction. C. If K = 10, what is the ratio of reactants to products at equalibrium? D. Explain the effect on the equalibrium of: 1. adding reactant z. 2. adding reactant a. 3. adding a catalyst.
What is the percent purity of the calcium hydroxide if the titration requires 21.42 mL of the acid to reach the endpoint
Which graduated cylinder would have the greatest volume change if equal masses of Au and Pt are transferred to equal volumes of H2O in separate graduated cylinders? Density of gold = 19.31 g/cm3 , density of platinum =21.43 g/cm3
Calculate the downward pressure in pascals due to gravity exerted by the bottom face of a 3.25kg cube of iron that is 7.50 cm
Propylamine, also known as n-propylamine, is an amine with the chemical formula C3H9N. Propylamine is a weak base with its Kb equaling 4.7 * 10^(-4). Calculate the pH of 0.59 M solution of propylamine hydrochloride.
In which of these molecules or ions does the presence of nonbonding electron pairs produce an effect on molecular shape, assuming they are all in the gaseous state. Check all that apply. SiH4, PF3, HBr, HCN, SO4
A 50.0 mL glucose solution contains 3.00 g of glucose. What is the mass/volume percent of this solution
An underground reservoir contains natural gas at a pressure of 425 kPa and a temperature of 15 °C. If the volume of the reservoir is 1.3 x 104 kL
What molarities of HBrO (pKa 8.64) and KBrO are needed to make a buffer with a pH of 7.9 if the buffer strength is 0.35 M? What volumes are needed if both species are available in 5.0 M stock solutions and 1500 ml of buffer are to be made
A rock sample contains traces of 238U, 235U, 232Th, 208Pb, 207Pb, and 206Pb. Careful analysis shows that the ratio of the amount of 238U to 206Pb is 1.164.
Consider following cell. SCE stands for the saturated calomel reference electrode, which has a fixed potential of 0.244 volt. Pt|VOSO4 (0.0184 M), V2(SO4)3 (0.212 M), HClO4 (0.0100 M) || SCE Calculate the cell potential.
In the reaction below, how many liters of CO2 gas are produced from the combustion of 55.0 L of CH4 gas?
Originally, 1.0 mL Hydrochloric acid is added to 1.0g of an unknown amine and 28 mL water in the first step of the Synthesis of Acetamides. If we added 3X the amount of hydrochloric acid instead, why would there be no product?
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