List electrons, neutrons, quarks and protons from lightest to heaviest.

The lung capacity of the blue whale is 4900 L. Convert this volume into gallons

Calculate the standard enthalpy change for the following reaction at 25 degrees Celsius. MgCl2 + H2O--> MgO + 2HCl

Which gas is the most abundant greenhouse gas? Ozone Chlorofluorocarbon Carbon Dioxide Methane Water Vapor

How do you find the percent composition of CuBr2

Where would electrons in the d sublevel be found?

A student needed exactly 45.3ml of a solution. what piece of glassware should that student use? justify your choice.

NaCl + H2O → NaOH + Cl2 + H2 How many grams of chlorine gas, Cl2 are given off if 7.5 grams of sodium chloride, NaCl, are decomposed? Is this equation balanced?

What is the net ionic equation for the precipitation reaction between bacl2 and na2so4? a bacl2 (aq + na2so4 (aq? baso4 (s + 2nacl (aq b ba2 + (aq + so42 - (aq? baso4 (s c na + (aq + cl - (aq?

2. A compound with the following composition by mass: 24.0% C, 7.0% H, 38.0% F, and 31.0% P. what is the empirical formula

Why does the burning of magnesium ribbon start the reaction between iron oxide and aluminium when making iron?