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Advocard [28]
3 years ago
13

What is the correct reaction for the dissociation (ionization) for a weak acid?

Chemistry
1 answer:
slava [35]3 years ago
7 0

Answer: HA + H2O ⇌ H3O+ + H- (option #4)

Explanation: Since the acid is weak you have to use a ⇌ (equilibrium) sign. Equilibrium is denoted in a chemical equation by the ⇌ symbol. Also, when any acid dissolves into water, it produces hydronium (H3O+ or H+). Therefore, the fourth chemical reaction is your answer.

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6. Write a balanced equation for each reaction. You must change each word equation into a chemical equation with actual formulas
leva [86]
The answer is in the pic!

4 0
3 years ago
2KCIO3 -> 2KCI + 302
grin007 [14]
I uhhh would answer but this is actually confusing
4 0
3 years ago
Which of the statements below correctly describes the chair conformations of trans-1,4-dimethylcyclohexane? A. The higher energy
Taya2010 [7]

Answer:

D. The higher energy chair conformation contains two axial methyl groups.

Explanation:

The diaxial trans-1,4-dimethylcyclohexane has the highest energy (the least stable) and the diequatorial chair conformation has the lowest energy (the most stable).

The diaxial conformation has a higher energy due to the interaction between the methyl groups.

5 0
4 years ago
4.0 L sample of methane gas is collected at 30.0c,<br> what is the volume of the sample at -8c?
Vedmedyk [2.9K]
This particular law is a gas law, called Charle's Law. The formula is:

V1    V2
---- = ----
T1     T2

So we know our original volume is 4.0L, so we would plug that into our V1. We know T1 is the 30 degrees, since it relates to our original volume. However, we need to convert it to kelvin. We do this simply by adding 273 degrees to the 30 degrees, since 273 is the constant for kelvin.

We do not know our second volume, however we know out T2. It is -8 degrees, and don't forget to convert it to Kelvin. 

So, when we plug all of these numbers into the equation, we are left with V2 to find. To do this we cross multiply (V1 x T2) and then divide by T1. That leaves us with the number for V2. Don't forget to round to the least # of sig figs! And you can divide V1 by T1, and then divide V2 by T2, to ensure your answers are the same, since they are directly porportional and need to be equal to each other. 

Hope I could help!
8 0
4 years ago
What is the relationship between the following compounds??
34kurt
And what are the compounds?
8 0
4 years ago
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