Which of the following is an example of a decomposition reaction?

A) 4P + 5O - - > 2P2O5

B) CH4 + O2 - - > CO2 + 2H2O

C) MnSO4 - - > MnO + SO3

D) Mg + 2HCl - - > MgCl2 + H2

What is the pOH of a 5.6 x 10-5 M solution of cesium hydroxide (CsOH) ?

When heating copper in the final step, the bright copper color changes to a dull brown. will the percent recovery be too high or too low?

A 0.3146-g sample of a mixture of nacl (s) and kbr (s) was dissolved in water. the resulting solution required 40.30 ml of 0.08765 m agno3 (aq) to precipitate the cl - (aq) and br - (aq) as agcl (s) and agbr (s).

Which of these properties is the best one to use for identification of an element? 1. the number of neutrons in the atomic nucleus 2. the number of protons in the atomic nucleus 3. the number of isotopes that are formed by the element 4.

Which noble gas has the highest first ionization energy

importance of pH value in daily life

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.