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Natasha_Volkova [10]
3 years ago
12

I need Coefficient numbers!!!!!

Chemistry
1 answer:
KengaRu [80]3 years ago
4 0
Not sure about #6 , but i got all the other answers

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Which cell has the better survival plan, animal or plant cell? Support your answer with facts I WILL GIVE BRAINLIEST ANSWER
d1i1m1o1n [39]
If im not mistaken plant cells go through a stage called photosynthesis meaning the cells can create it's own energy (food) off of water, Co2 and sunlight.
7 0
3 years ago
Help with atoms WILL MARK BRAINLIEST
Eddi Din [679]

Answer:

C 1:1

Explanation:

Hydrogen loses an electron to becone +1 which is a cation and flourine gains that electron to have a full outer shell on the 2p subshell to become -1 and is an anion so the ratio is 1:1.

4 0
2 years ago
How moles are in 45.7g of CH3?
miskamm [114]

first find the atomic weight of CH3 which would be

atomic weight: 12.011 (3×1.008) = 36.32 g/mol

then find the moles in the given mass

36.32 ÷ 45.7 = 0.794

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6 0
3 years ago
Jeff used an equal arm balance to weigh a 4.312 g sample of sodium chloride. Which of these measurements made by Jeff is the mos
Virty [35]

Answer:

4.3.

Explanation:

  • Measurements that are close to the known value are said to be accurate, whereas measurements that are close to each other are said to be precise.
  • The most closest measurement to the known value is 4.3 g.
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3 0
4 years ago
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Write the symbol for every chemical element that has atomic number greater than 3 and atomic mass less than 15.4 u.
mixas84 [53]

Answer:

N, B, Be, C

Explanation:

N (Nitrogen) has 14.0067 B (Boron) has 10.81 Be (Beryllium) has 9 and C (Carbon) has 12

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