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AnnZ [28]
4 years ago
8

A scientist measures the number of flies in a room over time. The results are

Chemistry
1 answer:
ExtremeBDS [4]4 years ago
5 0

A. The number of flies increased, then decreased

Explanation:

The result shows that the number of flies increased then decreased after a certain period of time.

This can be seen from the trend of the data:

                         35  47   52   51    48   40 number of flies

                          10 20   30     40   50 60 time

The highest number of flies is 52;

The lowest is 35

We see that the number of flies moved from 35 to 52, an increase and begins to decrease after that to 40.

learn more:

Increase brainly.com/question/10367884

#learnwithBrainly

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An equimolar mixture of two optical isomers is called a ________. An equimolar mixture of two optical isomers is called a ______
Vika [28.1K]

Two optical isomers can form:

An equimolar mixture of two optical isomers is called a racemic mixture.

What is a Racemic mixture?

An equimolar mixture of two enantiomers that is optically inactive is known as a racemic mixture (or racemate) (i.e. does not rotate plane-polarized light).

The racemic mixture can be created by:

  1. Combining enantiomers in equal amounts, or (more frequently)
  2. Reactions that create one or more new chiral centers without the influence of chirality (i.e. chiral reagent, catalyst, etc.)

The light that is plane-polarized does not spin in an optically inactive mixture.

Since each enantiomer rotates plane-polarized light to an equal and opposite extent, an equimolar mixture of two enantiomers will typically result in a racemic mixture. There won't be any net rotation if they are both present in equal proportions.

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4 0
2 years ago
The expression 2Ag + SAg2S is called a(n)
Ber [7]
I guess it is called an Equation !!
4 0
3 years ago
If the solution feel slippery and has a pH of 12, what is the solution
Ad libitum [116K]
<span>If the solution feels slippery and has a pH of 12 that means the solution is a base. Common base solutions are soapy water, bleach, oven cleaner and liquid drain cleaner.</span>
7 0
4 years ago
Who believed and tested his idea that microorganisms are carried through the air?
kondor19780726 [428]
Louis Pasteur designed a procedure to test whether sterile nutrient broth could spontaneously generate microbial life. To do this, he set up two experiments.

Hope this helps !

Have a great day! :)
7 0
3 years ago
Read 2 more answers
what would happen to the volume of 10L carbon dioxide, if the pressure is doubled and temperature is constant?​
lara [203]

Answer:

The volume will goes to decrease.

Explanation:

The given problem will be solved through the Boyle's law,

"The volume of given amount of gas is inversely proportional to its pressure by keeping the temperature and number of moles constant"

Mathematical expression:

P₁V₁ = P₂V₂

P₁ = Initial pressure

V₁ = initial volume

P₂ = final pressure

V₂ = final volume  

when pressure is going to increase the volume will goes to decrease and vice versa.

Consider the initial volume is 10 L at initial pressure of 15 atm when pressure is increased to 30 atm the volume will be,

Now we will put the values in formula,

P₁V₁ = P₂V₂

15 atm × 10 L = 30  atm × V₂

V₂ = 150 atm. L/ 30 atm

V₂ = 5 L

5 0
3 years ago
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