Classify this reaction. C3H6(g) + O2(g) → CO2(g) + H2O(g)

a
Single Replacement

b
Synthesis

c
Double Replacement

d
Combustion

What is the mass of 0.46 mol of mgcl2

Given the following equation: 2a1 + 3mgcl2 --> 2alcl3 + 3mg how many moles of aluminum chloride are produced from 2.5 moles of magnesium chloride?

A4.86 g piece of metal was placed in a graduated cylinder containing 15.5 ml of water. the water level rose to 17.3 ml. what is the density of the metal. i need the steps of how to solve it to so i can use a formula to work out other problems.