Use this equqation for the problem:4Al+3O2 - -> 2Al2O3 How many moles of oxygen are needed to completely react with 14.8 mol of Al?

Convert 150 g/L to the unit g/mL. A. 15,000 g/mL B. 15 g/mL C. 0.15 g/mL D. 0.0015 g/mL

How many grams of iron are there in a 65.2g sample of rust, Fe2O3?

A student is titrating 50 mL of 0.32 M NH3 with 0.5 M HCl. How much hydrochloric acid must be added to react completely with the ammonia?

A shiny brown coloured element X on heating in air becomes black in colour a) Name the element X and the black coloured compound formed b) What happens when hydrogen is passed through that compound?

Which list of phases of H2O is arranged in order of increasing entropy

Recall the postulates of kinetic molecular theory read the list and check all the statements that apply to behavior of an ideal gas

Which property would cesium most likely have? It is hard. It is ductile. It is a gas. It has low reactivity.

What is dexamethazone?

Is S + O2-> 2H2O + 483.6 KJ exothermic or endothermic

An aspirin tablet contains 81.0 mg of aspirin, which has the molecular formula, c9h8o4.