What does a pencil look like in the cup of water? Why?

Consider the substances below.• 1 mol of beryllium• 1 mol of salt• 1 mol of water• 1 mol of hydrogenWhich statement is true about these substances?1) They have exactly the same mass. 2) They have different numbers of particles.

Which one is poisonous gas a. Oxygen b. Carbon monoxide C. Nitrogen

The percent ionization of a weak acid increases with K, a. True b. False

The primary unit of length in the metric system is the: kilometer meter millimeter centimeter

What is the density of a block of marble that occupies 311 cm cubed and has a mass of 853 g?

When does a spring tide take place? At the beginning of spring Only during the spring season Only after spring is over At any time

The highest cloud are known as

What is the mass of 4.85 X 10^22 atoms of iron (Fe) ?

If element x has 95 protons how many electrons does it have

Which of the following when dissolved in deionized water would make a good conducting solution? a) methanolb) sugarc) baking soda