n Trial 1, you will use 0.50 g of aluminum, and in Trial 2, you will use only 0.25 g. Why will you vary the amount of aluminum?

Consider liquid ethane (ch3ch3) and liquid methanol (ch3oh). which would you expect to have a larger h of vaporization?

The density of gold is 19.3 g/cm the density of iron pyrite is 5.0 g/cm. if a nugget of iron pyrite and a nugget of gold each have a mass of 50 g, what can you conclude about the volume of each nugget

What are some special effects you can make with dry ice?

How much heat is produced by the complete combustion of 284 g of CH4? CH4+2O2=CO2+2H2O; H=-802.3kj

A urine sample has a mass of 147 g and a density of 1.010 g/ml. what is the volume of this sample?

How does the size of ions affect the conductivity of a solution?

How to write complete ionic and net ionic equations?

chromium can combine with chlorine to from corneum chloride which equation is a correct representation of this reaction

What is the atomic weight of a hypothetical element consisting of two isotopes, one with mass = 64.23 amu (26.0%), and one with mass = 65.32 amu? (a) 65.3 amu (b) 64.4 amu (c) 64.9 amu (d) 65.0 amu (e) 64.8 amu

Is this base a physical or chemical property?