Chemistry, 05.11.2020 18:50 hartzpeyton136
What happens to the core of a high-mass star after it runs out of hydrogen?
a. It shrinks and heats up.
b. It shrinks and cools down.
c. Helium fusion begins right away.
Answers: 1
Chemistry, 22.06.2019 00:30
Sarah wants to know where in her garden chamomile would grow the best. she thinks chamomile will grow best in the corner of the garden that gets the most sunlight. to test her hypothesis, she decides to plant several groups of chamomile in her garden as an experiment. which of the following variables will sarah need to measure to know which group of plants grew best? a. the location of the plants b. the type of plants c. the height of the plants d. the amount of water she gives the plants
Answers: 1
Chemistry, 23.06.2019 10:30
Ireally need ! calcium metal reacts with a potassium chloride solution to form calcium chloride and potassium ions. balance this reaction. (s) + (aq) โ cacl2(s) + +(aq) a) 1, 2, 1, 2 b) 1, 2, 1, 1 c) 1, 1, 1, 1 d) 2, 1, 2, 1
Answers: 1
Chemistry, 23.06.2019 13:00
Using the periodic table complete the table to describe each atom type in your answers
Answers: 1
What happens to the core of a high-mass star after it runs out of hydrogen?
a. It shrinks and heats...
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