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hram777 [196]
3 years ago
5

Which best represents a reaction mechanism?

Chemistry
2 answers:
Anvisha [2.4K]3 years ago
8 0

Answer : The correct option is, (C) A+B\rightarrow products

Explanation :

Chemical equation : It is written in such a way that the symbolic representation of the reaction represents the reaction taking place in the system.

The reactants are written on the left-hand side and the products are written on the right-hand side of the equation and the reactant and products are separated by an arrow. The two or more reactants and products are separated by “+”.  

Hence, the representation of chemical reaction will be,

A+B\rightarrow Products

My name is Ann [436]3 years ago
6 0
The reaction that would beat represent a typical reaction mechanism is when A and B react with each other to produce certain products.
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Entropy change in an internally reversible isothermal process is _______ to the temperature of the system.
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Internally reversible is the answer.

Explanation:

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Please help! If a forensic chemist discovers evidence through examination which would prove a person guilty of a crime, why then
Bogdan [553]

Explanation: You cannot be convicted of a crime without evidence. You cannot be convicted of a state crime. You cannot be convicted of a federal crime. If there is no evidence against you, under the law, it simply is not possible for the prosecutor's office to obtain a conviction at trial. So, when you do have evidence it is really impossible to not get convicted unless the judge truly believes your side of the story and declares you not guilty.

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3 years ago
What is the molarity of 225 grams of Cu(NO2)2 in a total volume of 2.59 L?
Kay [80]

Answer:

The molarity is 0.56\frac{moles}{L}

Explanation:

In a mixture, the chemical present in the greatest amount is called a solvent, while the other components are called solutes. Then, the molarity or molar concentration is the number of moles of solute per liter of solution.

In other words, molarity is the number of moles of solute that are dissolved in a given volume.

The Molarity of a solution is determined by:

Molarity (M)=\frac{number of moles of solute}{Volume}

Molarity is expressed in units (\frac{moles}{liter}).

Then you must know the number of moles of Cu(NO₂)₂. For that it is necessary to know the molar mass. Being:

  • Cu: 63.54 g/mol
  • N: 14 g/mol
  • O: 16 g/mol

the molar mass of Cu(NO₂)₂ is:

Cu(NO₂)₂= 63.54 g/mol + 2*(14 g/mol + 2* 16 g/mol)= 155.54 g/mol

Now the following rule of three applies: if 155.54 g are in 1 mole of the compound, 225 g in how many moles are they?

moles=\frac{225 g*1 mole}{155.54 g}

moles= 1.45

So you know:

  • number of moles of solute= 1.45 moles
  • volume=2.59 L

Replacing in the definition of molarity:

Molarity=\frac{1.45 moles}{2.59 L}

Molarity= 0.56\frac{moles}{L}

<u><em>The molarity is 0.56</em></u>\frac{moles}{L}<u><em></em></u>

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3 years ago
HELPPP ILL MARK BRAINLIEST!!!! PLS ITS DUE RIGHT NOW!
kobusy [5.1K]

Q. How many molecules of H2O can be produced from reactants in container below?

A. 3 molecule of molecules H2O will be produced from reactants in container.

<em><u>Explanation</u><u>:</u></em>

There are seven molecules of H2 and three molecule of O2 are there in the container Q, 6 molecules of H2 will react with 3 molecules of O2 to produce 3 molecules of H2O. One molecule of Hydrogen will not take part in reaction and will be present in container Q after then reaction, and the mass in overall reaction is conserved!

<em><u>Thanks for joining brainly community!</u></em>

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2 years ago
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