Which of the following words correctly describes CO2? Select all that apply

A. Its a substance

b its a compound

c its a element

D its a mixture

Which of the following contain nitrogen? Monosaccharides Amino acids Fatty acids Polysaccharides

Drag each label to the correct location on the chart. Match each empire to the conditions after its fall.

What term defines a hydrocarbon with at least one double bond between carbons?

An elephant eats about 500 pounds of grass and leaves every day. there are 2 african elephants and 3 asian elephants living in the city zoo.

Question 4 2 pts A careless chemistry student performed a chemical reaction where his theoretical yield of Magnesium oxide was 57.82 grams, but he actually produced 12.89 grams.

Which of the following is true of group 6A? Includes Chlorine Includes Sulfur Gain 2 electrons Tend to form + 2 ions Have 5 valence electrons

What happens if you pour water in baking soda? Does it release energy? What kind?

Define chemistry in relation to biology and physics

If you have 39 g of sodium azide in an air bag [2nan3 (s) - > 2na (s) + 2n2 (g) ], then how many molecules of nitrogen gas will it make at stp?

If 1 mol of a gas in a container occupies a volume of 12 l at a pressure of 1 atm, what is the temperature of the gas in kelvins?