Chemistry, 12.12.2019 21:31 briannarose2003
When calcium and magnesium metal are first purchased they are extremely shiny with metallic luster. the metal samples you received today however were not very shiny. during the past year these metals have been stored on a shelf until today’s experiment/lab. why wasn't the calcium metal or the magnesium metal as shiny as the aluminum metal when you first started today’s lab?
Answers: 2
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 23:30
The density of the solid phase of a substance is 0.90 g/cm3 and the density of the liquid phase is 1.0 g/cm3. a large increase in pressure will a. lower the freezing point b. raise the freezing point c. lower the boiling point d. raise the triple point e. lower the triple point
Answers: 1
When calcium and magnesium metal are first purchased they are extremely shiny with metallic luster....
Chemistry, 06.03.2021 01:20
Mathematics, 06.03.2021 01:20
French, 06.03.2021 01:20
English, 06.03.2021 01:20
Physics, 06.03.2021 01:20
Business, 06.03.2021 01:20
Mathematics, 06.03.2021 01:20
Mathematics, 06.03.2021 01:20
Physics, 06.03.2021 01:20
Arts, 06.03.2021 01:20
Arts, 06.03.2021 01:20