A chemist weighed out

65.8

g

of potassium. Calculate the number of moles of potassium she weighed out.

Round your answer to

3

significant digits.

Explain what environmental bias means. What are the categories that make up environmental bias? How does environmental bias relate to chemistry?

Degradates, unlike their parent compounds, are always completely harmless true or false

Which relationship below is an example of a predator-prey relationship? OA. A coyote eats a hen. OB. A rabbit eats grasses. O C. A giraffe eats the leaves from tall trees D. A pet fish eats fish food

In the future, clean energy sources, such as solar power, may be used to create hydrogen fuel True False

Which of the following terms would best classify a sample of pure sodium chloride?

How does phosphorus enter the human body?

When a reaction occurs between atoms with ground state electron configuration 1s2 2s1 and 1s2 2s2 2p5 the predominant type of bond formed is

How does heat transfer takes place between any two systems?

Hydrate name of CaCl2 * 8 H2O

Calculate the heat evolved from a mixture of 14.1 l of sulfure dioxide