A mass of 50g of calcium carbonate is heated, releasing carbon dioxide and calcium oxide. Which of these recorded masses of products is possible, according to the Law of Conservation of Mass?

A. 23g of carbon dioxide, 50g of calcium oxide
B. 29g of calcium oxide, 21g of carbon dioxide
C. 50g of calcium oxide, 50g of carbon dioxide
D. 50g of calcium oxide, 1g of recorded carbon dioxide

What term is applied to a scientist who studies ancient life, including animal and plant fossils a. anthropologist b. dendroclimatologist c. geophysicist d. paleontologist

You are attempting to recrystallize a crude product mixture. you add the appropriate amount of hot solvent and are allowing the solution to slowly cool to room temperature. however, at room temperature no crystals have appeared, which of the following methods should be used to induce crystallization? choose all correct answers. a) place the flask in an ice bath. b) swirl the contents of the flask. c) add a small seed crystal of the desired product. d) scratch the inside of the glassware using a stir rod. it can be multiple choices

When an experimenter draws a conclusion that he assumes will apply to all situations set up similarly to his test situation, even though he cannot possibly have examined all possible test scenarios, the experimenter is using deductive reasoning inductive reasoning abductive reasoning subjective reasoning