How to explain the periodic law?

What is the total number of grams of KCl (formula mass = 74.6) in 1.00 liter of 0.200 molar solution? A) 7.46 g B) 14.9 g C) 22.4 g D) 29.8 g

The formation of a solid when two liquids are mixed indicates a reaction. true or false

Upon balancing the equation below, how many moles of sulfuric acid are needed to react completely with 8.4 moles of lithium hydroxide? LiOH + H2SO4 yields Li2SO4 + H2O a. 2.1 moles b. 4.2 moles c. 8.4 moles d. 16.8 moles

A sample of matter is at extreme temperatures with particles moving so quickly that their collisions release electrons from the atoms. This creates a mixture of electrons and positively charged ions with high kinetic energy.

What are the two main sources of energy in the water cycle? hydro energy and gravitational energy kinetic energy and thermal energy gravitational energy and thermal energy gravitational energy and mechanical energy

How can an atom be electrically neutral when it contains particles that are charged?

Is boiling water considered physical or chemical bond

Which of the following is the correct scientific notation for 0.000451 g? 4.5 x 10-3 4.5 x 10-5 4.51 x 10-4 45.1 x 10-4

A phase change from a solid to a gas is called what

What is hydrocarbon?