Which of the following conversion units is WRONG concerning sodium chloride, NaCl? Question 14 options:

1)

6.02 x 1023 formula units / 1 mol

2)

1 mol/ 6.02 x 1023 formula units

3)

58.44 mol / 1 g

4)

1 mol/ 58.44 g

Harvey kept a balloon with a volume of 348 milliliters at 25.0˚c inside a freezer for a night.  when he took it out, its new volume was 322 milliliters, but its pressure was the same.  if the final temperature of the balloon is the same as the freezer’s, what is the temperature of the freezer? the temperature of the freezer is  kelvins.

Acompound has a molar mass of 92.02 grams/mole, and its percent composition is 30.4% nitrogen (n) and 69.6% oxygen (o). what is its molecular formula? a. n2o4 b. no2 c. n2o d. n4o2

Which material burns faster? metal aluminum