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Brilliant_brown [7]
4 years ago
9

Which of the following is a major difference between elliptical galaxies and spiral galaxies?

Chemistry
1 answer:
SashulF [63]4 years ago
5 0

Its A because I did it on connexus

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How are different natural disasters related? What different causes and effects of natural disasters do you know about?
pantera1 [17]

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<em>Explanation: Have a great day,</em>

8 0
2 years ago
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When a scientific investigation runs for several years, which is most likely true?
Bingel [31]

Answer:

1. Many different hypotheses will be tested.

Explanation:

Scientists test every hypothesis they make for their investigation, before moving onto bigger conclusions.

4 0
4 years ago
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What materials are going to use to measure for your data?​
BaLLatris [955]

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4 0
4 years ago
According to the following reaction, how many grams of chloric acid (HClO3) are produced in the complete reaction of 31.6 grams
gogolik [260]

Answer:

m_{HClO_3}=12.7gHClO_3

Explanation:

Hello,

Considering the reaction:

3Cl_2(g)+3H_2O(l)-->5HCl+HClO_3

The molar masses of chlorine and chloric acid are:

M_{Cl_2}=35.45*2=70.9g/mol\\M_{HClO_3}=1+35.45+16*3=84.45g/mol

Now, we develop the stoichiometric relationship to find the mass of chloric acid, considering the molar ratio 3:1 between chlorine and chloric acid, as follows:

m_{HClO_3}=31.6gCl_2*\frac{1molCl_2}{70.9gCl_2} *\frac{1molHClO_3}{3mol Cl_2} *\frac{85.45g HClO_3}{1mol HClO_3} \\m_{HClO_3}=12.7gHClO_3

Best regards.

4 0
4 years ago
Blank measurements are useful for determining buoyancy and identifying relationships between substances.
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I choose the letter c witch is density I believe that it’s useful for determining identifying relationships between substances
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3 years ago
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