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GrogVix [38]
3 years ago
9

How does an increase in concentration affect the rate of a reaction?

Chemistry
1 answer:
Nikitich [7]3 years ago
7 0

Answer:

Option (a) it speeds the reaction up

Explanation:

Increasing the concentration of a reactants speed up the reaction because it leads to effective collisions which in turn speeds up the reaction

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True or False, same substances have the same properties?
ryzh [129]

Answer:

True

Explanation:

Pure substances are made of the same material throughout and have the same properties throughout.

8 0
4 years ago
Why is the combined cycle power generation system so much more efficient that the straight steam cycle?
rewona [7]

Answer:

  Because it uses the residual energy of the fluid used by the first engine.

Explanation:

  A combined cycle power generation counts with two heat engines that work in tandem from the same source of heat. The engines turn the energy into mechanical energy.

  The cycle is much more efficient than the other, almost 60% more.

  I hope this answer helps you.

8 0
3 years ago
PLEASE HELP: What are the reactants?
g100num [7]

Answer:

Reactants are substances that start a chemical reaction, and products are substances that are produced in the reaction

Explanation:

Hope This Helps

8 0
3 years ago
A presión de 3atm, 7L de un gas a temperatura constante experimenta un cambio ocupando un volumen de 0,5L ¿Cuál será la presión
pantera1 [17]

Answer:

La presión que ejerce es 42 atm.

Explanation:

La ley de Boyle relaciona la presión y el volumen y dice que  el volumen ocupado por una determinada masa gaseosa a temperatura constante, es inversamente proporcional a la presión.

La ley de Boyle se expresa matemáticamente como:

P*V=k

Ahora es posible suponer que tienes un cierto volumen de gas V1 que se encuentra a una presión P1 al comienzo del experimento. Si varias el volumen de gas hasta un nuevo valor V2, entonces la presión cambiará a P2, y se cumplirá:

P1*V1= P2*V2

En este caso:

  • P1= 3 atm
  • V1= 7 L
  • P2= ?
  • V2= 0.5 L

Reemplazando:

3 atm* 7 L= P2* 0.5 L

Resolviendo:

P2=\frac{3 atm*7 L}{0.5 L}

P2= 42 atm

<u><em>La presión que ejerce es 42 atm.</em></u>

3 0
3 years ago
Which chemical element has the shortest name.
Westkost [7]
Tin is the shortest chemical element on the Periodic Table.
8 0
4 years ago
Read 2 more answers
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