In a chemical reaction, an iron atom became the ion Fe2+. What happened to the iron atom?

Determine the entropy change when 1.80 mol of HBr (g) condenses at atmospheric pressure?

Who discovered proton?

When a hydrocarbon, a compound that contains only carbon and hydrogen burns in air, what component of air reacts?

Which career best fits the group of words below? high voltage lines, low voltage lines, distribution substation meter reader geothermal technician power dispatcher electrician

What is the molarity of a solution that contains 20 grams of salt dissolved in 3.0 L of solution? The molar mass of water is 18g/mol. 0.37 M 6 M 6.7 M 3.5 M

The inertness of the noble gases is due to a. the outermost shell has six electrons. b. the bonds they form with other elements. c. the number of protons and neutrons. d.

Xander is gaining weight. Which best describes what he can do to prevent obesity? exercise every day and also make healthy choices in his diet excercise once a week but make no change in his diet exercise once a week and also make healthy choices in

The town in the video stressed using locally made goods instead of imported goods. How could using locally made goods lower CO2 emissions?

Calculate the ΔHrxn for the following reaction: CH4 (g) + 2Cl2 (g) - - > CH2Cl2 (g) + 2HCl (g) Use the following reaction and given ΔH's: CH4 (g) + Cl2 (g) - - > CH3Cl (g) + HCl (g), ΔH = - 99.

Select all that apply to diffusion. A solid cannot diffuse in to another solid. Solids can diffuse in liquids. Liquids can diffuse in liquids. It is the process of intermingling atoms from one substance into another.