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vaieri [72.5K]
3 years ago
10

I’ll mark you brainlist

Chemistry
2 answers:
kaheart [24]3 years ago
7 0
It’s B the high mass stars
Greeley [361]3 years ago
7 0

Answer:

High mass star.

Explanation:

The mass of a star defines its life span. the least massive stars will live the longest and the most massive stars will use their fuel in a few million years and end in a spectacular supernova.

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What is the percent composition of water found in tin (IV) oxide octahydrate?
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tin (IV) oxide octahydrate contains 8 part water

What is the percent composition of water found in tin (IV) oxide octahydrate?

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Which indicator most likely suggests that a chemical change is taking place?
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Chemical change is most often indicated by a change in color.
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A particle that has a negative charge is called
Anvisha [2.4K]

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4 0
3 years ago
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Một hỗn hợp X gồm CH3OH; C2H5OH; phenol có khối lượng 28,9 gam phản ứng vừa hết với 100ml dung dịch NaOH 2M. Phần trăm theo khối
inn [45]

Answer: bạn viết phương trình Phenol + NaOH

=> nNaOH = nPhenol = 0,2 mol

m Phenol = 0,2x94 = 18,8 gam

%mPhenol = 18,8/28,9% = 65,05

Explanation:

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3 years ago
What is an equilibrium constant
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