What is the little "bump" of energy that is shown at the beginning of the reaction ... the energy required to start the reaction

A ballon inflated at 250 K has a volume of 40. L. What is the new volume at constant pressure if the temperature changes to 500K?

A cell with a concentration of 1.5% nacl is immersed in a solution with a concentration of 5.5% nacl. what will happen to the cell after being immersed in the solution for many hours?

Why does a leaf look green in the summer?

The amount of energy needed to split the nucleus into individual protons and neutrons

If you needed to make ultrapure silver from crude silver, where would you place the crude silver metal in an electrolytic cell? Question 13 options: connecting wires cathode power source anode

A student went to the dentist and found out that he had a cavity. He always brushes his teeth twice a day, so he didn't understand how he got a cavity.

A force of 8,480 n is applied to a cart to accelerate it at a rate of 26.5 m/s2. what is the mass of the cart? 865 kg 320 kg 12.1 kg 3.12 kg

Within a group, which period, top or bottom is likely to contain atoms with the larger radius?

Write the equation for the fusion of two hydrogen-1 atoms.

23.9 km + 15 km Calculate this problem and report the answer with the correct number of significant figure