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slava [35]
3 years ago
5

A chemist needs 225 ml of 2.4 m hcl. What volume of 12 m hcl must be mixed with water to form this solution?

Chemistry
1 answer:
Gemiola [76]3 years ago
3 0

Answer:

1125 mL

Explanation:

This is very much like a math problem. You have to set it up as a proportion:

The setup "template" should be mL/m HCl.

\frac{225}{2.4}=\frac{x}{12}

Now, you cross multiply:

225*12 = 2.4*x

2700 = 2.4x

Divide:

x = 1125

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3 years ago
How does thermal energy transfer when a room is heated by a furnace?
Anna007 [38]
The answer is B,This is an example of convection, where fluid will circulate.This is because when part of air is warmed up, they expand and become less dense then rise,Therefore, the colder air contracts and become denser and sinks, in order to take in the place of the warm air. This phrase circulates and therefore the it can transfer heat a lot more faster.
 
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3 years ago
What is the electron dot structure of AsClBr2? Pls pls pls help me
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Answer:

Explanation:

Sorry, I don't really know about this. I hope it helps!

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2 years ago
According to the iupac convention, alkyl substituents on a hydrocarbon chain should be listed in which order?
saveliy_v [14]

According to the iupac convention, alkyl substituents on a hydrocarbon chain should be listed in alphabetical without taking prefixes into name.

A hydrocarbon would be an organic molecule in organic chemistry that is made completely of hydrogen as well as carbon. A good example of group 14 hydrides includes hydrocarbons. In general, hydrocarbons lack color and are hydrophobic. Typically, their faint smells are compared to that of gasoline and lighter fluid.

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Therefore, according to the iupac convention, alkyl substituents on a hydrocarbon chain should be listed in alphabetical without taking prefixes into name.

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Answer:

The correct answer is a The calvin cycle requires products only produced when the photsystems are illuminated .It is often too cold at night for the reaction to take place.

Explanation:

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       ATP and NADPH is formed by the illumination of photosystems by sun light.So during night time there is no chance for the light dependent illumination of the photosystems.

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