The diameter of carbon atom is.000000000154m. what is this expressed in scientific notation.

How does a scientist the government? a. the scientist tells people in society what to do. b. the scientist determines the policies that the government spends money on. c. the scientist provides unbiased information to the government. d. the scientist makes laws based on his or her research results.

Suppose you wanted to make 100 grams of water. what is the molar mass of water (h2o)?

A1.5l container holds p.50 grams of an unknown gas at a pressure of 0.44 atm and a temperature of 50.c what is the molar mass of the unknown gas