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Marizza181 [45]
3 years ago
11

What do repeated trials in an experiment allow a scientist to do?

Chemistry
1 answer:
Oksana_A [137]3 years ago
8 0

Answer:

Learn from their experiment and know the possible results from trial and error

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What is the equation for density?<br> O D= m<br> V<br> OD=V<br> m<br> OD=m<br> OD=mv²
frosja888 [35]

Answer:

D = m/V

Explanation:

Density represents the following ratio:

Density (D) = mass (m) / volume (V)

In this formula, the volume is being divided from the mass. The typical units for mass is grams and the unit for volume is milliliters.

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2 years ago
Trường hợp nào sau đây là chất tinh khiết
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Answer:

where????

Explanation:

nasaan yung pag pipilian???

6 0
3 years ago
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Which genotype(s) and phenotype for fur length are dominant?
GREYUIT [131]

If you have a hamster with short fur, what possible genotypes could the hamster have?

Answer:  <u>FF or Ff </u>

Explanation:

If you have a hamster with short fur, what possible genotypes could the hamster have? FF or Ff . ... The mystery hamster was a genotype ff and the phenotype for long fur and the parents can create offspring that have long fur or short fur because they are heterozygous dominant.

next question

If you have a hamster with long fur, what possible genotypes could the hamster have?

Answer: <u>Ff or ff </u>

Explanation:

If you have a hamster with long fur, what possible genotypes could the hamster have? Ff or ff . ... The mystery hamster was a genotype ff and the phenotype for long fur and the parents can create offspring that have long fur or short fur because they are heterozygous dominant.

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What type of disease is (IBS).
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Irritable Bowel Syndrome

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An intestinal disorder causing pain in the belly, gas, diarrhea, and constipation.

6 0
2 years ago
Which of the following substance is being reduced in the following reaction.? Cu (s) + 2AgNO3 (aq) + 2Ag (s) + Cu(NO3)2 (aq) A)
nikklg [1K]

<u>Answer:</u> The correct answer is Option A.

<u>Explanation:</u>

Oxidation reaction is defined as the reaction in which an atom looses its electrons. Here, oxidation state of the atom increases.

X\rightarrow X^{n+}+ne^-

Reduction reaction is defined as the reaction in which an atom gains electrons. Here, the oxidation state of the atom decreases.

X^{n+}+ne^-\rightarrow X

For the given chemical reaction:

Cu(s)+2AgNO_3(aq.)\rightarrow 2Ag(s)+Cu(NO_3)_2(aq.)

The half reactions for the above reaction are:

Oxidation half reaction: Cu(s)\rightarrow Cu^{2+}(aq.)+2e^-

Reduction half reaction:  2Ag^+(aq.)+2e^-\rightarrow 2Ag(s)

From the above reactions, copper is loosing its electrons. Thus, it is getting oxidized.

Silver ion is gaining electrons and thus is getting reduced.

Hence, the correct answer is Option A.

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