Why is it important to use proper safety equipment when handling acids? A. Acids taste sour. B. Acids feel slippery. C. Acids contain hydrogen. D. Acids can burn skin.

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Scientist noticed that the ozone layer was thinning. what was occuring at the same time

How do I determine the flow rate of a liquid?

Each type of mineral has a chemical composition that is A. unique to that mineral B. similar to other minerals C. variable depending on where its found D. influenced by heat and light

Number of moles of Cl2 molecules in a sample that contains 7.12*1025 molecules of Cl2.

A flexible container at an initial volume of 8.15 L contains 4.51 mol of gas. More gas is then added to the container until it reaches a final volume of 16.9 L.

What is 0.000345 expressed in scientific notation?

It is dangerous to stick a metal knife into an electric outlet because: O A. metal is an insulator and the electricity will easily flow through it. O B. metal will "clog" the electric wire because of the additional pressure. O c.

Identify whether each element is a halogen, a noble gas, or nonmetal only. Astatine (At) : Nitrogen (N) : Krypton (Kr) : Chlorine (Cl) : Sulfur (S) :

Why is coal not classified as a mineral? a. it is made of organic material b. it has no crystal shape c. it is not a solid d. it does not occur naturally p. s theres not a science option so i just put chemistry