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coldgirl [10]
3 years ago
8

How do you think a redox reaction works?

Chemistry
1 answer:
11Alexandr11 [23.1K]3 years ago
3 0
Any chemical reaction in which the oxidation number of an atom,molecule,or ion changes by gaining or losing an electron
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Is it possible to change the strength of an acid? Explain how you would do this.
Verdich [7]

Answer:

Reducing or increasing the amount of H+ ions / hydronium (H3O+) ions

Explanation:

To reduce the pH (reducing the strength of the acid) can be done by adding a base (including a conjugate base such as bicarbonate ion) which will absorb the H+ ions either through adsorption or reaction.

Adding more H+ decreases the pH of the acid making it stronger. This can be done by adding HCL that will dissociate and increase the H+ ions.

4 0
3 years ago
Use enthalpies of formation to determine the ΔHreaction for the reaction
Daniel [21]

Answer:

The enthalpy is increased by the increased heat of the reaction.

Explanation:

In this reaction, as the transition from solid to liquid state, enthalpy increases, that is, the heat applied to change its state is greater and this increases, reaching a mayor disorder.

If the reaction increases its heat, and a liquid state passes, the enthalpy increases, therefore the disorder also and the entropy will also be increased.

5 0
3 years ago
4Fe + 3O2  2Fe2O3
LenKa [72]
Oxidation
iron+oxygen happened
6 0
3 years ago
Which tempature is warmer than the freezing point in water?
vfiekz [6]
Water freezes at 0°C, 32°F, and 273°K. The only temperature warmer than the freezing point is 1°C.
7 0
3 years ago
Read 2 more answers
Si una masa dada de hidrógeno ocupa 40 litros a 700 grados torr. ¿Qué volumen ocupará a 1 atmósfera de presión? (dar la presión
Svetach [21]

Answer:

V_2=36.84L

Explanation:

Hola,

En este caso, podemos usar la ley de Boyle, la cual nos permite analizar el comportamiento volumen-presión en un gas ideal de manera inversamente propocional:

P_1V_1=P_2V_2

Así, dado el volumen y la presión inicial, la cual se convierte a atmósferas (760 torr = 1atm), calculamos el volumen final a 1 atm como se muestra a continuación:

V_2=\frac{P_1V_1}{P_2}=\frac{700torr*\frac{1atm}{760torr}*40l }{1atm}\\  \\V_2=36.84L

Saludos!

7 0
3 years ago
Read 2 more answers
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