Is the reaction between Mn^+2 and CrO7^-2 in acid spontaneous, not spontaneous, or no reaction?

4. a 20-kg child is tossed up into the air by her parent. the child is 2 meters off the ground traveling 5 m/s. circle one: ke / gpe / both show your work for finding the values of each type of energy the object has:

Which of the following would not diffuse through the plasma membrane by means of simple diffusion? 1 oxygen 2 glucose 3 a steroid hormone 4 a lipid soluble vitamin

Reactions in cells take place at about a. 40°c b. 0° c. 100°c d. 60°c