Write and balance the equation for the complete combustion of acetylene, C2H2. You do not need to include any phase symbols or energy changes.

When water freezes it forms a lattice pattern and?

Convert 95.62 grams of Li2O to moles

What is the mass number of an atom having 16 protons and 13 neutrons?

An experiment is conducted to see if cats preferred skim milk or 2% milk. A cup of skim milk was put out for 5 kittens and then measured how much the kittens drank over the course of a day.

Balance and identity the type of chemical reactions. Mg (s) + HNO3 (aq) - > H2 (g) + Mg (NO3) 2 (aq)

Model describe how you would show j. j. thomson's model of the atom using small beads and clay

Switching one substance for another is called ... ? a) displacement b) synthesis c) decomposition d) oxidation

C2h4 + O2 - CO2 + H2O If we start with 20 grams of CH4, how many moles of CO2 will form?

How does chemical energy relate to the atom and how can we use it?

A positively charged atom is known as a cation. A cation will? ... A) have more protons B) have to same number of protons and electrons. C) Be the same as a neutral atom. D) have more electrons.