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4 years ago

An infrared light detector would be most beneficial to someone who investigates

Chemistry

2 answers:

Marat540 [252]4 years ago

8 0

Answer:

Explanation:

because it works for radiations

aliya0001 [1]4 years ago

5 0

A
Because it works for radiations

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Which one of the following hydrocarbons exhibit geometrical isomerism?

denis-greek [22]

the answer is B.2-butene and D.3-hexene

they exhibit geometrical isomerism because they have a double bond that is not marginal

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3 years ago

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A water treatment plant applies chlorine for disinfection so that 10 mg/L chlorine is achieved immediately after mixing. The vol

Vlada [557]

<u>Answer:</u> The mass of chlorine needed by the plant per day is $9.4625\times 10^8mg$

<u>Explanation:</u>

We are given:

Volume o water treated per day = 25,000,000 gallons

Converting this volume from gallons to liters, we use the conversion factor:

1 gallon = 3.785 L

So, $\frac{3.785L}{1\text{ gallon}}\times 25,000,000\text{ gallons}=9.4625\times 10^7L$

Amount of chlorine applied for disinfection = 10 mg/L

Applying unitary method:

For 1 L of water, the amount of chlorine applied is 10 mg

So, for $9.4625\times 10^7L$ of water, the amount of chlorine applied will be $\frac{10mg}{1L\times 9.4625\times 10^7L}=9.4625\times 10^8mg$

Hence, the mass of chlorine needed by the plant per day is $9.4625\times 10^8mg$

6 0

3 years ago

I need help with this.

Marina86 [1]

Yes and you can find it

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3 years ago

Giving two reasons,classify air as a mixture or compound.

ollegr [7]

1.) Air can be separated into its constituents such as oxygen, nitrogen etc.

2.) Air has a variable composition because at different places different amount of gases are present in air.

4 0

4 years ago

In a chemical reaction represented by the general equation A+ B = C + D, there are 4 distinct mole ratios that can be written. T

nydimaria [60]

So,

These species react stoichiometrically. Thus, we can say, for example, that 1 mol A is stoichiometrically equivalent to 1 mol B in this reaction. I will say A = B.

A = B

A = C

A = D

B = C

B = D

C = D

As you can see, there are more than 4 distinct mole ratios for this reaction. Thus, the statement is false.

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4 years ago

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