Chemistry, 01.12.2019 05:31 riverviewfarm2133
What is the transfer of electrons in al + cl = alcl3
Answers: 1
Chemistry, 22.06.2019 18:30
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?
Answers: 1
Chemistry, 22.06.2019 22:30
Consider a culture medium on which only gram-positive organisms such as staphylococcus aureus colonies can grow due to an elevated nacl level. a yellow halo surrounds the growth, indicating the bacterium fermented a sugar in the medium, decreasing the ph as a result and changing the color of a ph indicator chemical. this type of medium would be referred to as a differential and enrichment culture.
Answers: 2
Chemistry, 22.06.2019 23:10
Match the formula for the following compound: magnesium sulfate heptahydratemgsĀ·7h2omg2so4Ā·7h2omg(so4)2Ā·7h2omgso4Ā·7h2o
Answers: 1
Chemistry, 23.06.2019 00:30
Which radioisotope is used to date fossils? a. oxygen-16 b. carbon-14 c. uranium-238 d. carbon-12
Answers: 2
What is the transfer of electrons in al + cl = alcl3...
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