What is the mass of a metal sample with a volume of 8.6 mL and a density of 7.7 g/mL? Include units and one decimal place in answer.
How do I set this equation up?
In a class of 140 students the ratio of boys to girls is 2:5 how many boys are in that class
Please help me
Cold water sour taste?
Recently I underwent a wisdom tooth extraction, and while there is still numbness I have observed something peculiar. If I drink cold water, it tastes sour, however the same effect is not observed... more
Why doesn't life produce diamond, graphene, nanotubes, etc? Could it?
It seems that life is really good at assembling carbon into extremely complicated molecules (e.g. DNA). Graphene is stronger than any materials currently used by biology. Diamond is harder than any... more
Today I went into a Indian Springs dentist office planning to get my chipped tooth filled, after entering the dentist office the assistant told me it would be a good idea to get a cap to my tooth... more
Apart from being painful, what are the bad sides of having an abscess under your tooth?
If 67% is worth £100, What is 20% worth
If 67% is worth £100, What is 20% worth?
Chem Help ! Confused about Enthalpy
Using standard heats of formation, calculate the standard enthalpy change for the following reaction. Fe(s) + 2HCl(aq)FeCl2(s) + H2(g)
If 200 cubic centimeters of hydrogen is reacted with 50 cubic centimeters of oxygen to form liquid water how much of which has is left over
200 cubic cm reacts with 50 cubic cm of oxygen to form liquid water. How much of which has is left over?