1. How many elements

are gaseous at room

temperature?

What does the annu

Calcium reacts with sulfur forming calcium sulfide. What is the theoretical yield (g) of CaS (s) that could be prepared from 8.54 g of Ca (s) and 2.33 g of sulfur (s) ? Do not type units with your answer.

A piece of potassium metal is added to a sample of zinc chloride. If you started with 3.8 g of potassium and 8.4 g of zinc chloride, determine the limiting reactant, and the amount of metal produced

Rank the following compounds in order of increasing strength of intermolecular forces: A. CH3CH2CH2CHO (butanal) B. CH3CH2CH2CH2OH (1-butanol) C. CH3CH2CH2CH2CH3 (pentane)

Four moles of hydrogen iodide (hi) gas react with one mole of oxygen (o2) gas to produce two moles of iodine gas (i2) and two moles of water gas (h2o).

What element has three half filled orbitals in the 3p sublevel

What is the difference between a root word and a combining form? List 2 examples of combining form

What is the octet rule and how does it explain the formation of ionic compounds?

Can somebody explain step by step how to solve decomposition reactions?

Which of the following statements are correct about the chemical reaction? H2 + O2 - > H2O2 versus 2 H2 + O2 - > 2 H2O? They are both balanced chemical equations. The two reactions are equivalent. The laws of thermodynamics apply to both.

What do chemists use to describe a chemical reaction