When 542 mL of O2 gas at 30°C and 1.04 atm is cooled to -40°C and the pressure is in-
creased to 2.4 atm what is the new volume of
this gas sample?
Answer in units of mL.

During chemistry class, carl performed several lab tests on two white solids. the results of three tests are seen in the data table. based on this data, carl has concluded that substance b must have bonds.

Give the orbital configuration of the phosphorus (p) atom.

What rule is used to determine how many covalent bonds an element can form? a. the number of covalent bonds is equal to six c the number of covalent bonds is equal to five minus the group number plus the group number b. the number of covalent bonds is equal to eight d. none of the above minus the group number select the best answer from the choices provided