Which element is reduced in the following reaction: 2Mg + O2 to 2MgO if Mg goes from 0 to +2 and O goes from 0 to -2?

A+b→2c when the reaction begins, the researcher records that the rate of reaction is such that 1 mole of a is consumed per minute. after making changes to the reaction, the researcher notes that 2 moles of a are consumed per minute. what change could the researcher have made to effect this change?

What are transitions between a liquid and a solid called? identify which way they are transitioning

Which is an example of the practical pursuit of alchemy? a. forming perfect substances. b. transforming base metals. c. developing metalworking techniques. d. linking spiritual characteristics with material substances.