Using the ideal gas lae, a sample of 35°C of methane gas has a volume of 4.45 L at a pressure of 2.70 atm. Calculate the number of moles of the gas using the ideal gas law. Answer Choices:

A. 0.921
B. 0.475 mol
C. 1.41 mol
D. 0.608​

How many moles of sulfuric acid (h2so4) are needed to react completely with 6.8 moles of lithium hydroxide (lioh)? 2lioh + h2so4 → li2so4 + 2h2o a. 3.4 mol h2so4b. 6.8 mol h2so4 c. 10.2 mol h2so4 d. 13.6 mol h2so4

Abaker touches a pie right after taking it out of the oven. which statement best explains why the pie feels hot?

Which of these statements describes the size of an atom? a. an atom is larger than a sheet of aluminum foil. b. an atom is small but can be seen with just our eyes. c. an atom is the size of a plastic building block. d. an atom is tiny and cannot be seen without magnification.