Determining pecent contribution to alkalinity from a solution - For a solution having .0025 equivalents/liter total alkalinity (contributions from HCO3- (negative one charge), CO3-- (negative two charge) and OH- (hydroxide)) at [H+] = 4.69E-11, what is the percent ...
equilibrium - For the reaction below, the partial pressures of gases at equilibrium are as follows:
H2=7.1x10(exponent negative 5)atm, Cl2=2.5x10(exponent negative 6)atm, and HCl=3.0atm. What is the value of ...
Half life - A 1.00g of sample of Ge decays to 0.87 in 1.9hr. What is the half-life of Ge?
Please show how you arrive at the solution. thanks
a. 1.4 x 10(exponent 1)hr
b. 9.5 hr
c. 1.1 x 10(exponent nega ...
Multiple choice question about the characteristics of delta G. - If delta G is negative at all temperatures, then which of the following statements must be true?
a. Delta H > 0 and delta S > 0
b. Delta H > 0 and delta S < 0
c. Delta H < 0 and delta S > ...