50 points please help Two molecules of dichlorine pentoxide decompose to form two molecules of chlorine gas and five molecules of oxygen gas. What amount of oxygen is produced from the decomposition of 6.20 mol of dichlorine pentoxide?
31.0 mol
15.5 mol
2.48 mol
12.4 mol

Aluminum reacts with chlorine gas to form aluminum chloride via the following reaction: 2al(s)+3cl2(g)→2alcl3(s) what is the maximum mass of aluminum chloride that can be formed when reacting 32.0 g of aluminum with 37.0 g of chlorine? express your answer to three significant figures and include the appropriate units.

This is a mixture that has the same composition throughout.

Which statement describes how phase changes can be diagrammed as a substance is heated? the phase is on the y-axis and the temperature is on the x-axis. the temperature is on the y-axis and the phase is on the x-axis. the time is on the y-axis and the temperature is on the x-axis. the temperature is on the y-axis and the time is on the x-axis.