The isotope of an atom containing 40 protons and 51 nuetrons suddenly has two nuetrons added to it. What isotope is created?

A compound with a large negative Delta H require activation energy. T/F

How does the charge of one electron compare to that of another electron? How does it compare with the charge of a proton? How do the masses of protons and electrons compare?

A drum used to transport crude oil has a volume of 162 L. How many grams of water, as steam, are required to fill the drum at 1.20 atm and 100°C?

A chemist makes a solution of NaOH for use in an experiment. She dissolves 0.00500 mol NaOH in 1.00 L H2O. The NaOH completely dissociates to form a solution with [OH - ] = 0.00500 M. What is the pOH of this solution

What is the with of the tank in cm that is0.20 meters

What type of chemical reaction is NH3

In this experiment, 1-2 mL of saturated sodium chloride is used to transfer the crude product after the initial distillation. Why is saturated sodium chloride, rather than pure water, used for this procedure?

Experiments are very common in criminology, but not in psychology. True or false?

This is two or more elements chemically combined in a fixed ratio.

Write balanced chemical reactions for the following a) Ammonia, NH3, reacts with nitrogen oxide, NO, to produce water and nitrogen gas. b) Oxygen gas reacts with hydrogen sulfide, H2S, to produce water and sulfur dioxide, SO2.