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serious [3.7K]
3 years ago
10

What is a mutation

Chemistry
2 answers:
Lubov Fominskaja [6]3 years ago
6 0

the second one, any change in a DNA gene or chromosome

Rzqust [24]3 years ago
5 0

Answer:

2nd one

Explanation:

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Provide at least three indicators of a chemical change that are present in burning a piece of paper.
Pie

Answer:

Some chemical indicators perceived while a piece of paper is burning are:

Production of an Odor: there is a smell of burnt paper

Change in Temperature:  combustion is a highly exothermic reaction , so the temperature increase

Change in Color: paper changes to ashes as the burning process occurs

3 0
3 years ago
Answer the following question using the reaction: AB ---> A+B
Vadim26 [7]

Answer:

So whats the question?

Explanation:

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3 years ago
Calculate the mass of sodium phosphate in aqueous solution to fully react with 37 g of chromium nitrate(III) an aqueous solution
Alla [95]

Answer:

41 g

Explanation:

The equation of the reaction is;

Cr(NO3)3(aq)+Na3PO4(aq)=3NaNO3(s)+CrPO4(aq)

Number of moles of chromium nitrate = 37g/ 146.97 g/mol = 0.25 moles

1 mole of sodium phosphate reacts with 1 mole of chromium nitrate

x moles of sodium phosphate react as with 0.25 moles of chromium nitrate

x= 1 × 0.25/1

x= 0.25 moles

Mass of sodium phosphate = 0.25 moles × 163.94 g/mol

Mass of sodium phosphate = 41 g

4 0
3 years ago
Force and distance are used to calculate work, work is measured in
Natali [406]
Work is measured in joules. hope this helps!
7 0
2 years ago
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Describe the characteristics of the moon and the Earth for each phase of the
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The Moon doesn't make its own light, it just reflects the Sun's light as all the planets do. The Sun always illuminates one half of the Moon. Since the Moon is tidally locked, we always see the same side from Earth, but there's no permanent "dark side of the Moon." The Sun lights up different sides of the Moon as it orbits around Earth – it's the fraction of the Moon from which we see reflected sunlight that determines the lunar phase.
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