Which of the following changes has a decrease in entropy?

N2O4 (g) - >2NO2 (g)

C6H6 (l) - > C6H6 (g)

2LiClO3 (s) 3O2 (g) + 2LiCl

3Fe (s) + 2O2 (g) -. Fe3O4 (g)

What role do the nafion resin and h3po4 play? could you use concentrated hcl or h2so4 instead?

Name three types of energy associated with the microwave

A 2.5% (by mass) solution concentration signifies that there is of solute in every 100 g of solution. 2. therefore, when 2.5% is expressed as a ratio of solute mass over solution mass, that mass ratio would be. 3.

What factors of nuclear reactors cause it to be so complex? Select all that apply. A) the chain reaction must be controlled at all times B) without proper cooling the reactor will overheat C) requires multiple different types of materials for the

Which of the following natural disasters can contribute to the increase of greenhouse gases? hurricanes tornadoes volcanoes tsunamis

A chemical base may be defined as a compound which contributes hydroxide ions or increases the OH concentration when dissolved in water. True False

Correct name for LiCl

What is anisotropy. Explain briefly with example.

Which is measured using a calorimeter

5) Solid lithium metal is added to an aqueous solution of magnesium chloride forming lithium chloride solution and solid magnesium a. If you begin the reaction with 15.0 g of lithium and 25.