2. A different sandwich recipe creates a bread, meat and cheese sandwich with the formula B, M,C. Write the balanced chemical equation that shows the correctly proportioned ingredients to make this sandwich.

Perform the following mathematical operations and report the answer to the appropriate number of significant figures 5.87998 + 3.100

Asample of silver (with work function ? = 4.52 ev) is exposed to an ultraviolet light source (? = 200 nm), which results in the ejection of photoelectrons. what changes will be observed if: silver is replaced with copper (? = 5.10 ev) more photoelectrons ejected no photoelectrons are emitted fewer photoelectrons ejected more energetic photoelectrons (on average) less energetic photoelectrons (on average)

Write a net ionic equation to show that hydrofluoric acid, behaves as an acid in water.