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2HI(g) ? H2(g) + I2(g) Keq = 0.016
Initially a container contains 0.46 M HI and no product. What is the equilibrium concentration of H2?
calcium and the human body normally contains 6 quarts of blood, what mass of calcium (in grams) will be found in the total blood volume?
One sample had a mass of 25 grams. The other had a mass of 50 grams. Would the same number of particles be ejected from each sample in the first hour?
How many moles of H3O+ must be added to 482 mL of a solution to adjust the pH from 8.80 to 5.56? Use E notation and 3 significant figures.
Does purified aspirin appear to be purer than crude aspirin? What is your evidence?
If you mixed 75 ml of 2 M HCl with 37.5 ml of 4 M NaOH, how many joules of heat would be released? How much would the temperature of the solution increase?
Nitrogen oxide is a pollutant in the lower atmosphere that irritates the eyes and lungs and leads to the formation of acid rain. Nitrogen oxide forms naturally in atmosphere according to the endothermic reaction: N2+O2=2NO(g) Kp= 4.1x10^-31 at 298..
A mixture of 0.1079 M CO (g) and 0.1079 M H2O(g) was allowed to react and come to equilibrium at some temperature. If Kc = 5.668, what is the equilibrium molar concentration of H2 for the reaction.
The rate constant for the production of glucose from cellulose with a newly developed catalyst was found to vary with temperature as shown by the data in teh following table. What is the activation energy for this reaction
What quantity of heat is required to vaporize 151 g. of benzene C6H6 at its boiling point 80.1 degrees celsius? Heat of vaporization = + 30.8 kj/mol.
If we react 116 molecules of TiCl4 with water according to the equation TiCl4 + 2 H2O -> TiO2 + 4 HCl how many molecules of HCl will we form?
Given the balanced equation 2 O3(g) --> 3 O2(g) , determine the rate of reaction with respect to [O2]. If the rate of formation of O2 is 6.94*10^-1 M/s, what is the rate of reaction of O3
predict the ratio of the two masses of oxygen that combine with a fixed mass of lead to form PbO and PbO2? PbO:PbO2 oxygen mass ratio= ?/?
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