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patriot [66]
3 years ago
11

How acids cause burns. Please explain

Chemistry
2 answers:
Monica [59]3 years ago
7 0

Answer:

By the corrosive of skin so if you poured acid it can potentially burn you

Explanation:

Tju [1.3M]3 years ago
4 0
They cant hold the pressure
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Select all of the following statements that are false about ΔGo and ΔG:a) If the reaction has a large negative ΔGo value, the re
OLEGan [10]

Answer:

a) If the reaction has a large negative ΔGo value, the reaction must reach equilibrium at a small extent of reaction value

d) ΔGo and ΔG have the same magnitude, they just have opposite signs.

Explanation:

The fraction of the total heat energy if a system that does useful work is known as Gibb's free energy (G) and the change from the initial to final state is designated by \Delta G. It is observed that the values of \Delta G changes with experimental conditions such as temperature , pressure , concentration etc.

\Delta G^0 is the standard free energy change which is a balance of two natural tendencies of any system.

  1. Minimization of potential energy or enthalpic factor \Delta H^0

Maximization of disorderliness or entropic factor T\Delta S^0

Mathematically; \Delta G = \Delta H^0 - T\Delta S^0

Thus; from above mentioned, the statements that are true about ΔG⁰ and ΔG are:

ΔG⁰ and ΔG can have different values, they don't even have to have the same sign

For a reaction that reaches equilibrium, the minimum value of free energy must be at the equilibrium point

If ΔG⁰ , measured at an extent of reaction = 0.5, is positive, the sign for ΔG when the extent of reaction = 0.80 is also positive.

while the false statements include:

a) If the reaction has a large negative ΔG⁰ value, the reaction must reach equilibrium at a small extent of reaction value

d) ΔG⁰ and ΔG have the same magnitude, they just have opposite signs.

7 0
3 years ago
Which of the following statements is FALSE? Which of the following statements is FALSE?
KATRIN_1 [288]

Answer: option A) Mixtures may be composed of two or more elements, two or more compounds, or a combination of both.

Explanation:

A mixture is a combination of two or more substances mixed together and can be separated by physical methods.

A combination of two elements or compounds will yield chemical compounds NOT a mixture.

Thus, option A is false statement

3 0
3 years ago
How many electrons can the sublevel (d) hold on a given energy level.
nydimaria [60]
The d sublevel has 5 orbitals, so can contain 10 electrons max
4 0
3 years ago
The pKa for a weak acid to be used in the buffer should be as close as possible to the desired pH. What if the pKa is not close
nikdorinn [45]

Answer:

When pH = pKa, the ionizable compound in question (either acid or base) will be half protonated and half deprotonated

Explanation:

A convenient way of expressing the relative strength of an acid is by the value of its pKa, which makes it easy to see in small changes in pKa the changes associated with large variations in Ka. Small pKa values are equivalent to large Ka (dissociation constant) values, and as pKa decreases, the strength of the acid increases.

An acid will be stronger the lower its pKa and in a base it happens the other way around, which is stronger the higher its pKa.

Those dissociation constants are not fixed, they depend on other variables. For example, the dissociation constant changes at different temperatures. However, it maintains its value at the same temperature, before changes in the concentration of any of the species or even under the action of a catalyst.

3 0
3 years ago
The _____ is a particle with one unit of positive charge
Alborosie
Proton is the right answer
6 0
3 years ago
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