2)

What does this diagram represent?

A) DNA

Eliminate

B) RNA

C) a gene

D) an allele

If the chemical equation below is balanced, what number would go in front of hydrochloric acid (HCD? _CuCl2 + H2S → _Cus + _HCI

Which of these is a physical property? malleable, flammable, ability to decompose, ability to rust

What will you observe if you add cuso4 to a solution containing glucose?

A piece of a metal alloy with a mass of 114 g was placed into a graduated cylinder that contained 25.0 mL of water, raising the water level to 42.5 mL. What is the density of the metal?

For a hydrogen - like atom, classify these electron transitions by whether they result in the absorption or emission of light: n=3 to n=5, n=1 to n=3, n=3 to n=2, n=2 to n=1?

How many fe (ii) ions are there in 15.0 g of feso4?

An estser is the reaction product between: a. Alcohol and organic acid B. Alcohol and oxygen C. Ketones and Oxygen. D. Aldehydes and Alcohol

How is the way a mixture is combined different from how a compound is combined?

Consider n2 (g) + 3h2 (g) →→ 2nh3 (g). what is the mass of nitrogen gas required to react with 0.129 g h2?

Write a sentence that uses the words "mass extinction" correctly