What is the hydrogen-ion concentration of the ph is 3.7

the answer is true.

this statement is true.

Spontaneity tell us the direction of the reaction, but not how fast it goes. gibbs free energy brings together enthalpy, entropy and temperature in one easy formula. g = h - ts. and, finally the sign of delta g is always negative for a spontaneous reaction.

B) movement of materials into and out of the cell