What is true at stp? a)the temperature is 273.15 kelvin, b)one mole of gas occupies one liter of volume. c)pressure is at 101 volume. d) volume is at 4.2 liters

Calculate the h3o+ concentration in a solution of acetic acid if the concentration of molecular acetic acid present at equilibrium is 9.97x10^-3 m and k for the dissociation is 1.86x10^-5. ch3cooh(aq)+h2o(> h3o^+(aq)+ch3coo^-(aq)

2. you__turn left on a red light if you are in the left-most lane of a one-way street, you're turning into the left-most lane of a one-way street, and no nearby sign prohibits the turn.

Enzymes affect the reactions in living cells by changing the