Compare how heat flows during exothermic reactions and endothermic reactions. Explain what happens to the thermal energy of the surroundings in each case. from edge

Scientific evidence tells us that the cause of earths four season is the tilt of earth as it revolves around the sun. the student is instructed to illustrate this information in a science notebook. how will the student illiterate winter in the northern hemisphere?

What type of organic molecule comprises the majority of a potato?

Determine the ph of 0.10 m nh3 solution. nh3 is a weak base with a kb equal to 1.8 x 10-5 round answer to nearest whole number.