Other Chemistry Answers

18. Explain how the ions of the elements Al (Z = 13) and S (Z = 16) are formed

17. Indicate how many periods and how many groups are in the periodic table.

16. Calculate the number of moles for 11.2 liters of fluorine, F2 (in K.N.) and for 35.5 g of chlorine, Cl2 (Ar = 35.5)

The carbon element forms three isotopes, (A = 12. A = 13: A = 14 and Z = 6). Symbolically represent them.

Write only one essential difference between the three groups:

a. Homogeneous mixtures.

 b. Heterogeneous mixtures.

 c. Chemical compounds.

Draw the diagram with the arrows showing the passage of water from the solid state to the liquid, then to the gaseous state and vice versa, placing above the arrows the name of the process that takes place.

• How many grams of aluminum oxide are produced from the synthesis reaction of 30.0 g of Al ?
• Balance the equation= _ Al + O2 -> _ Al2O3
• Factor label( molar mass to mole , mole to mole ratio , mole to molar mass )

*This is one whole question *

Please & thank you.

How many grams of aluminum oxide are  produced from the synthesis reaction of 30.0 g of Al 
 balance the equation  
_ Al+ _ O2 -> _ Al2O3

How to find balance chemical equation for Zinc, Zn ,CuCI2, and ZnCI2

• How many moles of H2O are produced if 0.176 mol of O2 are used?