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3 years ago

Define the chemical reaction?

Chemistry

2 answers:

Goshia [24]3 years ago

5 0

Answer:

HOPE IT HELPED U ....

Explanation:

Chemical reaction is a process that involves rearrangement of the molecular or ionic structure of a substance, as distinct from a change in physical form or a nuclear reaction.

Trava [24]3 years ago

5 0

Answer:

a process that involves rearrangement of the molecular or ionic structure of a substance, as distinct from a change in physical form or a nuclear reaction.

Explanation:

hope this help friend

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A. Identify the structure drawn below.

nadya68 [22]

Answer:

Hexane

Explanation:

You have a carbon structure with only single bonds. This means that the name will end in -ane.

There are 6 carbon atoms. This means that the name will begin with hex-.

The structure is hexane.

7 0

3 years ago

A city continuously disposes of effluent from a wastewater treatment plant into a river. The minimum flow in the river is 130 m3

Vera_Pavlovna [14]

Answer:

$2.54\ \text{mg/L}$

Explanation:

C = Allowable concentration = 1.1 mg/L

$Q_1$ = Flow rate of river = $130\ \text{m}^/\text{s}$

$Q_2$ = Discharge from plant = $37\ \text{m}^3/\text{s}$

$C_1$ = Background concentration = 0.69 mg/L

$C_2$ = Maximum concentration that of the pollutant

The concentration of the mixture will be

$C=\dfrac{Q_1C_1+Q_2C_2}{Q_1+Q_2}\\\Rightarrow C_2=\dfrac{C(Q_1+Q_2)-Q_1C_1}{Q_2}\\\Rightarrow C_2=\dfrac{1.1(130+37)-130\times 0.69}{37}\\\Rightarrow C_2=2.54\ \text{mg/L}$

The maximum concentration that of the pollutant (in mg/L) that can be safely discharged from the wastewater treatment plant is $2.54\ \text{mg/L}$ .

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3 years ago

Purchasing the correctly sized BMX bike is based on the height of the rider. In order to fit a customer, the salesman can use th

Phantasy [73]

Answer: Your best answer is A.

Explanation: 1.35 is a constant and thus is does not change. The equation can be simplified to-
“b = (0.29 x h)+ 1.35”
So, if your rider is say 60 inches tall, the equation would change to-
“b = (0.29 x 60)+ 1.35”
Then to-
“b = (17.4) + 1.35” or “b = 17.4 + 1.35”
And therefore the size of the BMX bike frame in inches would be-
“b = 18.75”

Hope this helped :)

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2 years ago

14. The flight will arrive<br>A. By<br>B. on<br>D. at<br>C. with

Marat540 [252]

Answer : A.By

Step by Step Explanation

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3 years ago

Channel on Earth Formed by Flowing Lava

nignag [31]

Answer:

River bed

Explanation:

i dont really know its just what i learned

4 0

3 years ago

Define the chemical reaction?​

Define the chemical reaction?