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pochemuha
3 years ago
12

How can you express the rate of a chemical reaction

Chemistry
1 answer:
Scorpion4ik [409]3 years ago
7 0

Reaction rate, the speed at which a chemical reaction proceeds. It is often expressed in terms of either the concentration (amount per unit volume) of a product that is formed in a unit of time or the concentration of a reactant that is consumed in a unit of time.

If that helped

You might be interested in
If 10.5 L of a gas at 0.98 atm has its pressure increased to 1.50 atm, what is the new volume?
serg [7]

Answer:

The new volume of this gas is 6.86 liters.

Assumption: the temperature of this gas stays the same, and this gas is ideal such that Boyle's Law applies.

Explanation:

By Boyle's Law, the volume of an ideal gas shall be inversely proportional to the pressure on it when temperature stays the same (as in an isothermal process.)  

In other words,

\displaystyle V \propto \frac{1}{P},

where

  • V is the volume of the gas, and
  • P is the pressure on the gas.

P_1 \cdot V_1 = P_2 \cdot V_2.

\displaystyle V_2 = \frac{P_1 \cdot V_1 }{P_2}.

Assume that this gas is ideal. Also assume that this increase in pressure is isothermal. Apply Boyle's Law to find the new volume of this gas:

\displaystyle V_2 = \frac{P_1 \cdot V_1 }{P_2} = \rm \frac{0.98\;atm \times 10.5\; L}{1.50\; atm} = 6.86\; L.

8 0
3 years ago
What is mass in g of 15.5 moles of calcium?
padilas [110]

Answer:

621.2090000000001 grams

Explanation:

1 moles Calcium to grams = 40.078 grams

15.5*40.078 = 621.2090000000001 g

4 0
3 years ago
3. Perform each calculation to the correct number of significant figures.
Gwar [14]

Answer:

0.14

Explanation:

6 0
3 years ago
How many moles are present in 281 grams of arsenic
Murljashka [212]
The molar mass or As is 74.9g. Start with 281g multiply by (1mol/74.9g) = 3.75 mols

Put what you don’t want on the bottom (in this case grams) so they the u it’s cancel (if you multiply by grams and the divide by grams they cancel. Ultimately leave what you want on the top ( This case mols) then do the math
6 0
3 years ago
Que relación tiene el metabolismo celular con el mantenimiento de los seres vivos
Dmitry [639]
El metabolismo es un proceso por el cual los seres vivos ganan masa y energía que ofrece el medio en el que viven y sirve para el mantenimiento, crecimiento y reproducción de estos.

Si tomamos en cuenta la clasificación de los seres vivos tenemos:

- Autótrofos: Crean su propio alimento por medio del sol o la tierra y no de otros seres vivos (plantas, vegetales y algas).

- Heterótrofos: Generan su propio alimento y dependen de los autótrofos o de otros heterótrofos para su alimentación (animales y algunas bacterias).

El metabolismo se divide en dos procesos conjugados, el catabolismo y el anabolismo. Estos procesos dependen el uno del otro.

Las reacciones catabólicas liberan energía, mientras que las reacciones anabólicas, utilizan esa energía liberada para recomponer enlaces químicos y construir componentes de las células como las proteínas y los ácidos nucleicos..

De esta manera se relacionan ambos
5 0
3 years ago
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