Four acids are analyzed and their Ka values are determined. Which of the following values represents the strongest acid?

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Answer 1

Answer: Given four acids with different Ka's, the strongest acid will be the one with the greatest Ka. This can be verified by taking the -log(Ka). Larger Ka will result to less pH which means it becomes more acidic. Less Ka means it is relatively basic compared to others.

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Subatomic particles can usually pass undeflected through an atom because the volume of an atom is composed of(1) an uncharged nucleus(2) largely empty space(3) neutrons(4) protons
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There is a correlation between algae height and the snout-to-vent length of a group of marine iguanas in the Galapagos; as algae height increases for a given island, so does iguana length. Why would the body size of this population of iguanas correlate with algae height?Differential reproduction of larger animals is favored when adequate nutrition is supplied by larger algae.
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Overproduction of smaller animals is favored when algae swards are short and vice versa when algae swards are long.
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The body size of this population of iguanas correlate with algae height because Traits are exchanged between iguana and algae populations so that taller algae result in larger iguana populations

Answer;

The correct answer would be Differential reproduction of larger animals is favored when adequate nutrition is supplied by larger algae.

The size of the food influences the size of the organism.

Due to availability of larger food or larger algae, longer iguanas tend to live and survive more.

Thus, the tend to survive and reproduce more as compared to the shorter iguanas.

Similarly, when algae or food is not available, then larger iguanas die due to malnutrition and shorter iguanas tend to survive.

In liquid water, an equilibrium exists between H2O(ℓ) molecules, H+(aq) ions, and OH−(aq) ions. A person experiencing acid indigestion after drinking tomato juice can ingest milk of magnesia to reduce the acidity of the stomach contents. Tomato juice has a pH value of 4. Milk of magnesia, a mixture of magnesium hydroxide and water, has a pH value of 10.Complete the equation in your answer booklet for the equilibrium that exists in liquid water.

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In liquid water, an equilibrium exists between H2O(ℓ) molecules, H+(aq) ions, and OH−(aq) ions. A person experiencing acid indigestion after drinking tomato juice can ingest milk of magnesia to reduce the acidity of the stomach contents. Tomato juice has a pH value of 4. Milk of magnesia, a mixture of magnesium hydroxide and water, has a pH value of 10. The balanced chemical equation is 2H2 + O2 = 2H2O.

Formula of velocity rate

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Answer:

V=d/t

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Velocity (v) is a vector quantity that measures displacement (or change in position, Δs) over the change in time (Δt), represented by the equation v = Δs/Δt. Speed (or rate, r) is a scalar quantity that measures the distance traveled (d) over the change in time (Δt), represented by the equation r = d/Δt.

A chemist has dissolved a certain substance in water the chemist knows that more of the substance could be dissolved into the water before it stops dissolving there for the current solution is a.) unsaturated b.) saturated c.) supersaturated

Answers

b.) Unsaturated... Because it can take on more.

If it can't take on more, it's saturated. If it takes more than it can hold, it's supersaturated.

Answer:

unsaturated :)

Explanation:

Find the mistake
Cu(NO3)2(s) + CuO(s) → 2NO(g) + O3(g)

Answers

there are 2 copper atoms on the left side of the arrow, but none on the other side. there are also 7 oxygen atoms on the left hand side, but only 5 on the right hand side of the arrow.

What can be concluded if an ion of an element is smaller than an atom of the same element?(1) The ion is negatively charged because it has fewer electrons than the atom.
(2) The ion is negatively charged because it has more electrons than the atom.
(3) The ion is positively charged because it has fewer electrons than the atom.
(4) The ion is positively charged because it has more electrons than the atom.

Answers

The question is,'what can be concluded if the ion of an element is smaller than the atom of the same element'. The correct option is 'the ion is positively charged because it has fewer electrons than the atom. An atom becomes charged either by donation or accepting electrons. When an atom donate electrons, it becomes positively charged and it has less electrons than its atom. For instance, calcium has 20 electrons, it becomes an ion by donating its two electrovalent electrons, thereby having only 18 electrons left. But when an element accepts electrons, it becomes negatively charged and has more electrons than its atom.

The following conclusion can be made if an ion of an element is smaller than an atom of the same element:

$\boxed{\left( 3 \right){\text{ The ion is positively charged because it has fewer electrons than the atom}}{\text{.}}}$

Further explanation:

Ions are the entities with a net electric charge, be it positive or negative. Since positive and negative charges can be present on the ions, ions are of two types-positively charged and negatively charged ions. The ions formed by loss of electrons develop a positive charge and are called cations. But the ions produced by the gain of electrons acquire a negative charge and are called anions.

Since cations are positively charged ions, these have fewer electrons as compared to the corresponding neutral atom. So these ions experience stronger forces of attraction with the atomic nucleus and are smaller in size in size than the parent atom.

Anions are formed by the addition of electrons to the neutral atom. It has more electrons than the parent atom so it feels electron-electron repulsion due to which its size becomes larger than the parent atom.

So cations are smaller than the parent atom of the same element whereas anions are larger than the parent atoms. Therefore if an ion is smaller than the atom, it is positively charged due to the presence of fewer electrons than the parent atom.

Learn more:

Component of John Dalton’s atomic theory: brainly.com/question/2357175
Basis of investigation for the scientists: brainly.com/question/158048

Answer details:

Grade: Senior School

Chapter: Atomic structure

Subject: Chemistry

Keywords: ions, cations, anions, loss, gain, electrons, net electric charge, electron-electron repulsion, parent atom, smaller, larger, size, neutral atom, positive charge, negative charge.

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