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arlik [135]
3 years ago
6

PLEASE HELP WITH TRUE OR FALSE QUESTIONS!!!!!

Chemistry
1 answer:
Elodia [21]3 years ago
3 0
First one is true second one is False
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A scientist finds that one volume of an unknown gas X combines with two volumes of another gas Y to form two volumes of a new ga
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Answer:

Gas X

Explanation:

The given reaction can be written in the form of chemical equation as shown below as:

X+2Y\rightarrow 2XY_2

According to law of conservation of mass, the moles of each substance in the reaction must be equal on both reactant and product side.

Also, the question asks for the gas which is diatomic. XY_2 cannot be diatomic as the formula contains 3 atoms.

Between gas X and gas Y , <u>X has to be diatomic for the reaction to balance </u>as:

X_2+2Y\rightarrow 2XY_2

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3 years ago
What is an SNP? Question 1 choices Choice A., a single nucleotide polymorphism Choice B., a location where individual alleles di
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Answer  is option D. All of these choices are correct.

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SNP or  single nucleotide polymorphism is a location that showcases the difference in individual alleles by one base pair. Mainly, a genetic difference that happens between different individuals.  

It is the most common variation in genetics among people. Further, every SNP represents the difference in single DNA building block known as a nucleotide. Many SNPs do not affect the health of a person. It helps in predicting a response of a  person to drugs.

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4 years ago
In fossil comparisons, it helps to know about similar:
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Fossils are important evidence for evolution because they show that life on earth was once different from life found on earth today

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3 years ago
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Answer:

Two advantages are: Its cheap and it is a renewable energy source. Two disadvantages are it's not windy everyday and it will take up a lot of space for windmills.

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3 years ago
In the wave-mechanical model of the atom, an orbital is defined as
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I think its 2

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