Identify the spectator ion (s) in the following reaction: MgCO3 (s) + H2SO4--> MgSO4 (aq) + H2O (l) + CO2

If 6.5 mol NO2 react with 1.0 mol H20, how many moles of the excess reactant remains when the reaction is complete? 3NO2 + H2O + NO + 2HNO3 1.5 mol H20 2.5 mol H20 O 3.5 mol NO2 O 1.0 mol NO2

According to naming conventions, which class of organic compounds does methanal belong to?

An atom that loses or gains electrons becomes a/an: A. Proton. B. Ion. C. Charged atom. D. Electron

Use the periodic table and the above figure. How many electrons does a carbon atom have? 12 4 6

What planets have solid cores?

A student monitored the reaction rate of a 0.600M sucrose solution, at 25 oC, and determined that the reaction is first order with respect to sucrose. If at 25.0 oC it takes 3.33-hours for the concentration of the 0.600M solution to drop to 0.300M.

How many moles of argongas contain 7.52 x 1022 Ar atoms? A) 0.125 mol) 1.25 mol C) 0.0801 mol D) ON mol E) 0.0125 mol

Esterification is what type of reaction?

What is energy efficiency, and why is increasing it important?

Which gas will diffuse at a faster rate, CH4 with a molar mass of 16 g or SO2 with a molar mass of 64 g?