A 8.2-g sample of magnesium reacts with oxygen to form 12.0 g of magnesium oxide. How many grams of oxygen reacted?
what the answer

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.

According to the tide table below what time of day will the highest tide occur? (2 pt) the highest tide will occur at

Acompound has a molecular weight of 12.124 atomic mass units and the empirical formula c3h40. what is the molecular formula of the compound?