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katovenus [111]
3 years ago
7

1 scientific law and 1 scientific theory ?

Chemistry
1 answer:
Dmitriy789 [7]3 years ago
6 0
Scientific law: can be reduced to a mathematical statement (E = mc^2)
Scientific theory: often seeks to synthesize a body of evidence of observations of particular phenomena
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The nitrogenous bases cytosine and thymine are
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Purines are adenine and guanine. So the answer should be D (Pyrimidines). besides, phosphate group and pentose sugar are a part of a nucleotide.
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3 years ago
A. Density of Liquids
morpeh [17]

Answer:

Mass of liquid: 20.421g

Density= 1.0109405940594 g/mL

Explanation:

Mass of liquid

To find mass of liquid you take the mass of beaker + liquid (171.223g) and subtract it from the Mass of beaker (beaker without the water). The difference is the answer.

171.223g - 150.802g = 20.421g

Density

To find density you use the formula Mass/Volume. Take the Volume given, and the mass of the liquid you just found.

20.421mL/20.421g = 1.0109405940594 g/mL

5 0
3 years ago
6) Given that the density of olive oil is 0.92 g/mL, calculate the followin a. The mass of 20.0 mL of olive oil. The volume of 2
fgiga [73]

<u>We are given:</u>

Density of Olive oil = 0.92 g / mL

<u>Mass of 20 mL Olive oil:</u>

We know that the density = 0.92 grams / mL

multiplying the numerator and the denominator by 20

Density = 0.92 * 20 grams / 20 mL

Density = 18.4 grams / 20 mL

So, we have 18.5 grams in 20 mL of Olive oil

<u>Volume of 20 grams Olive oil:</u>

We need to multiply the numerator and the denominator of density by a number, that when multiplied by 0.92 will give 20

<em>let that number be x:</em>

<em>0.92 * x = 20</em>

<em>x = 20/0.92</em>

<em>x = 21.74 (approx)</em>

<em />

Multiplying the numerator and the denominator by x:

Density = 0.92 grams / 1 mL

Density = 0.092 * 21.74 / 21.74 mL

Density = 20 grams / 21.74 mL

So, we can see that 20 grams of the oil will have the volume 21.74 mL

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What happened when the earth rotates?
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What property did mendeleev use to organize the elements into a periodic table?
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Mendeleev arranged the elements in his periodic table in order of increasing atomic mass.
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4 years ago
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