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nignag [31]
3 years ago
10

All of the following are indicators of chemical change except…

Chemistry
1 answer:
Oduvanchick [21]3 years ago
7 0
D. All of the above are indicators of chemical change
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1. Compare the masses and the charges for the three particles which make<br> up<br> the atom.
storchak [24]

Answer:

The charge on a neutron=1+-/neutral

It has a mass 1

The charge on electron is 1-/negative

It's mass is 1/1840

The charge on a proton is 1+

It has a mass 1 too.

Explanation:

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How does the adaptations of a giraffe help survive its environment
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"They drink water when it is aivailable but can go weeks without it, they rely on morning dew and the water content of their food". they can use plants as resources to live.

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Which group is the most reactive?
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alkali metals- Group 1

Explanation:

they have less valence electrons and therefore are more reactive

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When heating liquid materials in laboratory glassware, a student should always
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4. If the DNA nitrogen bases were TACCGGAT, how would the other half of
Illusion [34]

Answer:

<u>ATGGCCTA</u>

Explanation:

For this we have to keep in mind that we have a <u>specific relationship between the nitrogen bases</u>:

-) <u>When we have a T (thymine) we will have a bond with A (adenine) and viceversa</u>.

-) <u>When we have C (Cytosine) we will have a bond with G (Guanine) and viceversa</u>.

Therefore if we have: TACCGGAT. We have to put the corresponding nitrogen base, so:

TACCGGAT

<u>ATGGCCTA</u>

<u></u>

I hope it helps!

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2 years ago
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