The substance in the glass is an mixture, element, compound, or atom

What happens to ionization energy as you go across a period from left to right

Design a device that will knock a block of wood a distance of 5 meters. That was the challenge in science class. Ben and Sam designed a pendulum to move the wood block. Their first design moved the block about 1.5 meters.

What is the correctly balanced chemical equation for the reaction of KOH and H2SO4

Which of the following is not a vector?

The oxide of titanium, TiO2 is used as a "whitener" in toothpaste. It is obtained from the ore iron (II) titanate, FeTiO3. What is the change, if any, in the oxidation number (oxidation state) of titanium in the reaction

How many moles of CO will be produced, if 32.5grams of H2O are produced? C6H6S+6O2=>6CO+3H2O+SO3

Identify and briefly describe two ecosystems in your community that are beyond schoolyard

Is N2H2 a ionic compound?

What do Lewis dot structures show?

300 grams of a compound which contains only carbon, hydrogen and oxygen is analyzed and found to contain the exact same percentage of carbon as it has oxygen. The percentage of hydrogen is known to be 5.98823%.