How does salt dissolve in water?

Scientific models can be used for a variety of different purposes. Which of the following statements about scientific models is not true? a. Scientific models can save money and lives. b. Scientific models allow scientists to test their predictions.

Which is the correct equation for the reaction of magnesium with hydrochloric acid to produce hydrogen and magnesium chloride? a. mg + 2 hcl → h2 + mgcl2 b. mg + hcl → h + mgcl c. 2 mg + 6 hcl → 3 h2 + 2 mgcl2 d. mg + 2 hcl → 2 h + mgcl2 e.

Ethanol is used in some after-shave lotions and deodourants. What properties makes it suitable for these uses?

How many moles of CsXeF7 can be produced from the reaction of 12.5 LOL of celsium Fluoride with 10.0 mol of xenon hexafloride

What happens to thermal energy from the sun as a result of the greenhouse effect?

How do metallic bonds differ from covalent and ionic bonds

Will ag2so4 precipitate when 100 ml of 5.0*10-2 m agno3 is mixed with 10 ml of 5.0*10-2mna2so4 solution?

How many grams of H₂ are produced with the reaction of 36 grams of water? 2 Na + 2 H20 - > 2 NaOH + h2

Which statement is the best description of a chemical bond? A. A chemical bond connects 2 different molecules. B. A chemical bond holds atoms together. c. A chemical bond turns molecules into atoms. D. A chemical bond identifies atoms in a molecule.

The energy of an electron varies depending upon which energy level that electron occupies. True or False.