DDT was banned from use as a pesticide in the United States because

Which of the following statements is true for a scientific theory? A) It is based on empirical evidence. B) It is based on only one experiment. C) It is investigated over a short period. D) It is verified by only one reowned scientist.

A solution a has PH of 8. Which hat dasevibes the solution? A) a strong acid B) a strong base C) a weak acid D) a weak base

How do i describe how a constant volume calorimeter can be used to measure the heat transferred from a burning piece of coal to cool water.

The general name for hydrocarbons with at least one triple covalent bond is

In a single replacement reaction part of ionic compound is removed and replaced by a new element. What element will fluorine replace in lithium bromide?

How does the goverment control scientific reseach

What happens when an oceanic plate collides with a continental plate? Select one: a. Neither plate moves under the other. b. The continental plate moves under the oceanic plate. c. The oceanic plate moves under the continental plate

Write a short explanation about the "cheater" way to find the # of valence electrons an element has, and explain what valence electrons have to do with elements bonding?

What type of energy is associated with random motion of the particles in a sample of gas

Consider the compound Al (NO3) 3 and answer the following questions: What is the name of this compound? What is the molar mass of this compound? Explain how you calculated this value.