How are molecules, elements, and compounds related to eacch

What is the percentage yield of O2 if 12.3 g of KClO3 (molar mass 123 g) is decomposed to produce 3.2 g of O2 (molar mass 32 g) according to the equation above?

The isomerization of cyclopropane follows first order kinetics. The rate constant at 700 K is 6.20 * 10-4 min-1, and the half-life at 760 K is 29.0 min. Calculate the activation energy for this reaction.

Does anyone know how sand is made?

What is an ecosystem ...

1. Explain what is in a buffer. Discuss the function of a buffer. How will pH change when small amounts of acids or bases are added to the buffer solution?

Mass defect is associated with: A. nuclear fusion B. nuclear fission C. radioactive decay D. mass lost by nuclear collisions

How to separate a mixture of iron dust and zinc dust

When the equation Fe Cl2_> FeCl is balanced, what is the coefficient for C12? explain why each answer is correct or incorrect and submit quiz a. 1 b. 2 c. 3 d. 4.

How many milliliters of 12.0 M hydrochloric acid contain 3.646 g of HCl (36.46 g/mol) ? Group of answer choices

What would happen to temperatures on Earth if the sun's heat were not distributed throughout the atmosphere