B) se o número de gaviões diminuir, a vegetação pode ser afetada?

What are alkenes used to make?

Does a solution have to involve a liquid? Explain your answer

In two or more complete sentences describe all of van der waals forces that exist between molecules of hydrogen sulfide H2S

Consider the following equation. 2H2 (g) + O2 (g) 2H2O (g); ΔH is negative. Which statement is true? The reaction is endothermic from left to right. Increased pressure would increase the rate of forming water vapor.

Why is it expensive to extract copper from a contaminated land where the percentage of copper is low, using the traditional method?

The energy of an electron varies depending upon which energy level that electron occupies. True or False.

What is the mass (in grams) of 9.07 * 1024 molecules of methanol (CH3OH) ?

Is metalloid an insulator

What is a example of a population

Which of the following statements holds true for a chemical change? OA In a chemical change, no new substance is formed. B. In a chemical change, a substance changes its phase. oc. In a chemical change, the molecular structure of a substance changes.