2. Calculating Ko from equilibrium amounts (a) In the following reaction:
CO2 (a)_+ H2 (9) DCO (g) + H2O (9)
at a temperature of and a pressure of 2.0 atm, the amounts of each gas present at
equilibrium were 6.2 x 10-3 mol of CO, 6.2 x 10-3 mol of H20, 0.994 mol of CO2
and 0.994 mol of H2. Calculate the Falue of Ke:
(b) In the following reaction:
H2 (QL_+ 12 (9) 02H1 (9)
at a temperature of 485°C and a pressure of 2.00 atm, the amount of each gas present
was 0.56 mol of H2, 0.06 mol of 12 and 1.27 mol of HI. Calculate Ke at this temperature.

Astudent made a graph plotting the progress of a reaction over time. the student forgot to label the y-axis of the graph. a graph is shown with two graph lines. one graph line starts at a higher position on the y axis and slopes downwards towards the right. the other graph line starts at a lower position on the y axis and slopes upwards towards the right. the two graph lines stop short of intersecting each other and continue as separate lines which gradually become straight and parallel to the x axis. a vertical line is shown at a point where the two graph lines finally became parallel to the x axis. this vertical line is labeled equilibrium. the title on the x axis is time and an arrow pointing towards the right is shown above time. the title on the y axis is left blank. what best explains the label that the student should use on the y-axis? amount, because as the amount of product decreases, the amount of reactant increases over time. reaction rate, because forward and backward reaction become equal at equilibrium. amount, because the amounts of reactants and products become constant after equilibrium is reached. reaction rate, as the rate of forward reaction increases and rate of backward reaction decreases over time.

The yearly amounts of carbon emissions from cars in belgium are normally distributed with a mean of 13.9 gigagrams per year and a standard deviation of 5.8 gigagrams per year. find the probability that the amount of carbon emissions from cars in belgium for a randomly selected year are between 11.5 gigagrams and 14.0 gigagrams per year. a. 0.340 b. 0.660 c. 0.167 d. 0.397

What is the percent composition of ca(oh)2? 37.7% ca, 53.0% o, and 10.3% h 45.5% ca, 38.2% o, and 16.3% h 54.0% ca, 43.0% o, and 2.7% h 64.7% ca, 27.0% o, and 8.3% h