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Zarrin [17]
3 years ago
5

A scientist conducted an experiment and discovered that certain plants grow faster when given a particular amount of fertilizer.

Another scientist conducted the same experiment and got similar results. Which concept does this best illustrate?
Chemistry
2 answers:
Charra [1.4K]3 years ago
7 0
The concept that this best illustrates is replication. 
erica [24]3 years ago
4 0

Answer:

The concept of repetition is best illustrated in the given question.

Explanation:

Let us consider that a  scientist named A conducted an experiment in his or her laboratory. He discovered a new fertilizer, and when the small amount of that when added to the plant it grows very briskly. Similarly, when an another scientist named B performed the similar experiment in the lab and obtained identical outcomes, which means that scientist B is repeating the same experiment that was done by the scientists A. Thus, it explains the concept of repetition.

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What type of matter is 500 grams of silver combined with gold?
marissa [1.9K]

it is a that is the correct answer

4 0
3 years ago
A compound is found to contain 33.3%
kakasveta [241]

Answer: CaSO3

Explanation:Please see attachment for explanation

3 0
3 years ago
Cortisol (molecular weight 362.47 g/mole), one of the major steroid hormones, is a key factor in the synthesis of protein. Its p
frez [133]

The molecular formula of cortisol is C₂₁H₃₀O₅

Explanation:

To find the cortisol formula we use the following algorithm:

divide each element percentage by the atomic weight of the element

for carbon 69.9 / 12 = 5.83

for hydrogen 8.34 / 1 = 8.34

for oxygen 22.2 / 16 = 1.41

now the we divide the obtained numbers by the lowest one, which is 1.41

for carbon 5.83/ 1.41 ≈ 4

for hydrogen 8.34 / 1.41 ≈ 6

for oxygen 1.41 / 1.41 = 1

the empirical formula of cortisol is C₄H₆O

the molecular formula of cortisol is (C₄H₆O)ₓ

70x = 362.47

x = 362.47 / 70

x ≈ 5.2

carbon ≈ 5.2 × 4 ≈ 21

hydrogen = 5 × 6 = 30

oxygen = 5 × 1 = 5

The molecular formula of cortisol is C₂₁H₃₀O₅

Learn more about:

determining the molecular formula of a compound

brainly.com/question/13764849

#learnwithBrainly

5 0
3 years ago
The temperature of a gas rose from 250K to 350K. At 350K, the volume of the gas was 3.0L. If the pressure did not change, what w
kompoz [17]
That would be (250/350 )* 3 = 2.143 liters to nearest thousandth
6 0
3 years ago
The specific heat of copper metal is 0.385 J/(g × °C). How much energy must be added to a 35.0 gram sample of copper to change t
Montano1993 [528]
Q = mC∆T 

<span>where: </span>
<span>q = heat </span>
<span>m = mass of substance = 35.0 grams </span>
<span>C = 0.385 J/g*C </span>
<span>∆T = change in temperature = 65C - 20C = 45C </span>

<span>q = (35.0 g)*(0.385 J/g*C)*(45C) = 606 J </span>
3 0
3 years ago
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