Chemistry, 25.03.2021 21:10 almadimas16
Norman and his mother made hummingbird food for their feeder. They mixed water and sugar, and then stirred it until the sugar dissolved. They
checked the feeder later and noticed that some of the water had evaporated, and sugar crystals had formed on the feeder. Which type of change took
place?
Answers: 3
Chemistry, 22.06.2019 22:30, skinniestoflegends
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, 23.06.2019 03:00, winterblanco
In november 1987, a massive iceberg broke loose from the antartic ice mass and floated free in the ocean. the chunk of ice was estimated to be 98 mi long, 25 mi wide, and 750 ft thick. a typical backyard swimming pool contains about 24,000 gallons of water. how many of these pools could you fill from the water in this iceberg? (assume the iceberg is a rectangular solid of the above dimensions and consists of water only). express answer in scientific notation.
Answers: 3
Norman and his mother made hummingbird food for their feeder. They mixed water and sugar, and then s...
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