For an ideal gas, classify the following pairs of properties as directly or inversely proportional.

For a1, its atomic number is 13 and its mass number is 27 how many neutrons does it have?

is the only element in group 1 on the periodic table that forms covalent bonds. A) hydrogen B) lithium C) potassium D) sodium

Iron has a density of 7.86 g/cm3. Calculate the volume (in dL) of a piece of iron having a mass of 3.11 kg

C10H11 + O2 - CO2 + H2O

List 2 human activities and 2 natural events that can cause a large increase in the rate of soil erosion

What is the purpose of a cell membrane

More polar solvents (eluents) move molecules more rapidly than less polar solvents. If you used a 1:1 hexanes:methanol mixture as solvent, would you expect the products to elute faster or slower?

C12 has 6 protons. how many neutrons does c13 have? a. 6 b. 7 c. 13 d. 19

Imagine you are at a local water park on a hot summer day and your feet begin to get hot from the cement. Looking ahead, you notice that there are two paths you can take to your favorite waterslide.

Determine the pH of a 0.350 M solution of HA. The pkb of A - is 12.830.