Chemistry, 29.01.2020 11:55 berankworthy7153
What is the ultimate end of a high mass star that has a core about 2.8x the mass of our sun?
a. a pulsar
b. a black hole
c. a brown dwarf
d. a magnetar
Answers: 1
Chemistry, 22.06.2019 00:30
Drive down any three characteristic of modern periodic table
Answers: 1
Chemistry, 22.06.2019 16:00
The chemical equation below shows the reaction of sodium (na) and chlorine (cl) to form sodium chloride (nacl). 2na + cl2 → 2nacl in this equation, which of the following is a reactant? i. sodium ii. chlorine iii. sodium chloride
Answers: 1
Chemistry, 22.06.2019 23:00
Which of your 24 wells had indications that a chemical reaction occurred? how were you able to tell that a chemical reaction occurred? which of your 24 wells had indications that a physical reaction occurred? how were you able to tell that a physical reaction occurred? report on both mixing and evaporation. make a general statement about whether your hypotheses were validated or rejected. must your hypotheses be correct for this to be a successful laboratory?
Answers: 3
Chemistry, 22.06.2019 23:20
In medium-sized stars such as the sun, nuclear fusion almost always means the fusing of nuclei to form , but larger stars can produce elements as heavy as
Answers: 2
What is the ultimate end of a high mass star that has a core about 2.8x the mass of our sun?
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