The average weather pattern of a region over a long period of time is known as

weather

climate

elevation

conditions

Sodium hydroxide, NaoH, is a strong base that is used im industrial synthesis and processes such as making paper. What is the mass of 2.90*10^22

How do aromatic hydrocarbons differ from alkenes? A) Aromatic hydrocarbons are unsaturated, and alkenes are saturated. B) Alkenes are saturated, and aromatic hydrocarbons are unsaturated.

Which statement about activation energy is true? a. It is not affected by catalysts. b. It has no effect on the rate of the reaction. c. It is the energy required to break existing chemical bonds. d. It is the same for all reactants.

If element X has 25 protons, how many electrons does it have?

Is that the right answer

Suppose the average concentration of copper in water is measured to be 2.5 x 10" M. a. Express this concentration in mg/L. b. Express this concentration in ug/L. c.

If I add water to oil what will happen

Commercial fertilizers, which are made by humans, are used to enrich soil for healthier crops. However, erosion may carry the fertilizer chemicals to the oceans. The presence of these chemicals may cause certain kinds of algae to reproduce rapidly.

A cube of iron has a temperature of 35°C. It is placed on top of a hot surface with a temperature of 175°C. What will happen to the iron? A) Its temperature will decrease. B) Heat will flow from the hot surface into the iron.

Density differences cause the