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blagie [28]
4 years ago
8

Help brainliest plzzzz

Chemistry
2 answers:
Anit [1.1K]4 years ago
7 0
The answer is 4 I think
konstantin123 [22]4 years ago
6 0
The awnser is D or the 4th one
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Among animals, what is one major advantage of sexual reproduction compared to asexual reproduction?
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D: they have new dna combinations
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3 years ago
In cucumbers, green skin (G) is dominant to striped skin (g). If a farmer crosses a heterozygous (hybrid) cucumber with a homozy
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Answer:

Half will be green and half will be striped

Explanation:

Given green skin (G) is dominant to striped skin (g).

Cucumber 1 : Heterozygous (Gg)

Cucumber 2 : Homozygous striped (gg)

When Gg X gg :

     G      g

g   Gg   gg

g   Gg   gg

Half of the offspring will have Gg genotype so they will be green. Other half will have gg genotype so they will be striped.

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A student was comparing two samples with an equal number of carbon atoms. One sample contained only Carbon-12 atoms. One sample
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Answer:

3.14

Explanation:

A student was comparing two samples with an equal number of carbon atoms. One sample contained only Carbon-12 atoms. One sample contained only Carbon-14 atoms, which contain two more neutrons than Carbon-12 atoms. The student measured the mass of each sample and testing the reactivity of each sample.

Required:

What would best describe the results of the investigation?

3 0
2 years ago
The chemical formula for magnesium oxide is MgO. A chemist determined by measurements that 0.030 moles of magnesium oxide partic
tamaranim1 [39]

Answer:

1.209g of MgO participates

Explanation:

In this problem, we have 0.030 moles of MgO that participates in a particular reaction.

And we are asked to solve for the mass of MgO that participates, that means, we need to convert moles to grams.

To convert moles to grams we need to use molar mass of the compound:

<em>1 atom of Mg has a molar mass of 24.3g/mol</em>

<em>1 atom of O has a molar mass of 16g/mol</em>

<em />

That means molar mass of MgO is 24.3g/mol + 16g/mol = 40.3g/mol

And mass of 0.030 moles of MgO is:

0.030 moles MgO * (40.3g/mol) =

<h3>1.209g of MgO participates</h3>
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3 years ago
A patient needs 0.024 g of a sulfa drug. There are 6-mg tablets in stock. How many tablets should be given?
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0.024g=24mg
24mg/6mg=4 tablets 
4 0
3 years ago
Read 2 more answers
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