Round the following number to three significant figures: 156.5021 L

What happens when nitrogen fills its valence shell? a) three electrons are lost, making N+3 b) three electrons are lost, making N-3 c) three electrons are gained, making N-3 d) three electrons are gained, making N+3

Draw the Lewis structures for the resonance forms of methyl azide (CH3N3). Include all lone pairs of electrons and formal charges.

What are some catchy volcano titles? I need it asap I'm making a 4th grade book

Fluorine gas reacts with a solution of sodium bromide in a single-replacement producing aqueous sodium fluoride and bromine gas. If a reaction starts with 0.480 mol fluorine gas, how many moles of sodium fluoride are produced?

A mixture with the same composition throughout is!

If you have 6 moles of CH4 how many moles of H2O can be produced

What is the definition of substance in your own words.

A 1.3 g sample of gold (specific heat capacity = 0.130 J/g °C) is heated using 86.9 J of energy. If the original temperature of the gold is 25.0°C, what is its final temperature?

In what applications might coal replace petroleum based fuel

How many molecules are in 7.5 mol of h2o