If we are tying to heat 90 g of water to a boil starting at 22 degrees C, how much energy in joules will we need?
The 'c' value for water is 4.18J/gC
Q=mC(delta)T
08276)
O 8000 K)
1932)
0 433)

This chart lists four kinds of polymers and their sources. what can be known about all four polymers, despite their differences? they come from living things. they share ionic carbon bonds. they are at least 100 monomers long. they are made of repeating subunits.

Achemist 16 drop copper metal from copper chloride solution. the chemist place is 0.50 g of aluminum foil in a solution containing 0.75 g of copper (ii) chloride. a single replacement reaction takes place. which statement explains the maximum amount of copper that the chemist can extract using this reaction?

The chemical formula for emerald is be3al2(sio3)6.an emerald can be decided as