When heated, zinc and sulfur combine to form a new compound, zinc sulfide.  In this reaction, Both Zn and S are oxidized. Both Zn and S are reduced. S is oxidized and Zn is reduced. Zn is oxidized and S is reduced.

Given the accompanying partial activity series, predict which of the following reactions will occur as written. Zn –> Zn2+ + 2e– Fe –> Fe2+ + 2e– Co –> Co2+ + 2e– Ni –> Ni2+ + 2e– Cu –> Cu2+ + 2e–

Which of the following is TRUE? Hydrogen atom to hydrogen ion (H+) is reduction. Oxygen atom to oxide ion (O2–) is reduction. Tin atom to tin(IV) ion is reduction. Fluoride ion (F–) to fluorine atom is reduction.

In the context of chemical reactions, oxidation means ___. the gain of electrons the loss of electrons the loss of oxygen the loss of water

Modules 7-9 Quiz   Quiz Instructions The Modules 7 – 9 quiz is worth 15 points and you have 25 minutes to complete the quiz.  The quiz will be available until the end of the day on Friday, March 11th.

There have been many stories about celebrities endorsing the political candidates. Which celebrity appeared with Harris at a rally in Texas?

What is the Golden Dawn (as mentioned in the documentary : Journey into Europe)

From the article, “Vector-transmitted disease vaccines: targeting salivary proteins in transmission (SPIT),” match each term with its description related to the vector-host interaction:

The ______ option of the Array command lets you create a rectangular array at an angle. (1 pt)

About 3,000 South Korean soldiers have joined Russia, and the White House is concerned that they will be used to fight against Ukraine.