The formula for ammonium hydroxide is shown below. 2NH4OH

Which of the following data tables correctly represents how many atoms of each element are present in this formula?

dont answer unless you have proof please or i will delete the response

Agas has a volume of 0.7 l at 300 mmhg. what would be the new volume at 900 mmhg

Observation and experimentation have led many scientists to accept a theory about the origin of the universe. this theory is called the big bang theory. scientific evidence collected and observed by scientists around the world suggests that the universe is ever expanding from a hot and dense initial state. what makes this a scientific theory? (2 points)

Analyze the reaction to determine whether the reaction is exothermic or endothermic. explain your reasoning.