If in the following diagram the substance is in the solid state during stage 1, what is happening during stage 2? the substance is melting or freezing. the substance is in the liquid state. the substance is in the gaseous state. the substance is boiling or condensing.

Idon’t know how to solve this question

Which compound contains both ionic and covalent bonds? a) hbr b)cbr4 c)nabr d) naoh

Which of the following warnings would an agricultural chemist tell a farmer who wants to recycle his or her own ammonia? recycling ammonia is a difficult process that sometimes takes weeks. recycling ammonia requires a degree in biochemistry or a related field. recycling ammonia can be harmful because it is highly flammable and toxic. recycling ammonia costs too much money considering the price of the necessary chemicals.