Identify the species oxidized, the species reduced, the oxidizing agent and the reducing agent in the following electron transfer reaction.

Hg2+ + MnArrow. gif Hg + Mn2+
species oxidized species reduced
oxidizing agent reducing agent
As the reaction proceeds, electrons are transferred from to

Which of these properties, used alone, would be least useful in identifying most minerals? a. color b. luster c. streak d. density

56.16 gregor mendel was the first scientist to use statistics to analyze scientific data. before mendel's experiments, scientists believed that organisms acquired traits from their environment and passed them on to their offspring. after mendel's discoveries were accepted, scientists realized that traits passed to offspring were the result of genes being passed from parents to offspring. this is an example of pls

When the chemicals iron sulfide (fes) and hydrochloric acid (hcl) are combined, bubbles appear from the mixture. 1. does the appearance of bubbles indicate a physical or chemical change? 2. why do the bubbles indicate this change? 3. what property is this?