The salt NaC2H3O2 would form from the combination of:

A

Acetic acid and sodium hydroxide

B

sodium chloride and nitric acid

C

Tartric acid and sodium hydroxide

D

sodium acetate and water

Polar compounds are forming bonds with the water on the outside of the membrane. These bonds are called

What is the measure of how difficult it is for current to flow in a circuit? A voltage B. resistance Oc power D. energy

How does igneous rock or sedimentary rock turn into metamorphic rock

Why are all of the substances on the periodic table classified as elements? A. Substances on the periodic table cannot be dissolved in water or other liquids. B. All elements are pure substances. C.

Why does each mineral have its own properties?

Which pair of nitrogen bases will form a bond in a DNA molecule? a. cytosine and adenine b. adenine and thymine c. guanine and thymine d. thymine and cytosine

Most meteors that fall into the earths atmosphere burn up before reaching the ground. Why is this?

Imagine a chemist is in the lab and trying to make some chemical reactions happen. In one reaction she reacts chemicals in an exothermic reaction and there is an increase in entropy.

Which of the following requires an oxidizing agent? Al yields Al3+ 2 O yields O2 Cl2 yields 2 Cl- Ag + yields Ag

Type of ion formed by group 2A elements