Which lists the substances from least to most acidic?

Chemistry

1 answer:

Rus_ich [418]3 years ago

7 0

Answer:

A. Have an amazing day!!

Explanation:

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Which element mo se na or br contains the most moles of atoms in a 1.0 gram sample?

Fittoniya [83]

To determine this, lets use the atomic mass for each element to determine the corresponding number of moles for a given mass of 1 g.

Mo: 95.94 g/mol
1 g/95.94 g/mol = 0.01042 moles Mo

Se: 78.96 g/mol
1 g/78.96 g/mol = 0.01266 moles Se

Na: 22.99 g/mol
1 g/22.99 g/mol = 0.0435 moles Na

Br: 79.9 g/mol
1 g/79.9 g/mol = 0.0125 moles Br

Thus, the answer is Na.

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A gene which does not produce its effect when an opposite dominant gene is present is called a(n) ________ gene

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A gene which does not produce its effect when an opposite dominant gene is present is called an Hybrid.

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Gram The Moon was once much doser to E ffect do you think that this distance had What on eclipses?

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I think the sun would've seem bigger than the moon.

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Cohesion, adhesion, and surface tension are characteristics of water that ________. increase when pH increases increase when tem

Ray Of Light [21]

Answer:

are a result of hydrogen bonding.

Explanation:

The surface tension is the amount of energy required to stretch or increase the surface of a liquid by a unit area. Liquids that have strong intermolecular forces also have high surface tensions. Thus, because of hydrogen bonding, water has a considerably greater surface tension than most other liquids.

Another example of surface tension is capillary action. A thin film of water adheres to the wall of the glass tube. The surface tension of water causes this film to contract, and as it does, it pulls the water up the tube. Two types of forces bring about capillary action.

One is cohesion, which is the intermolecular attraction between like molecules (in this case, the water molecules). The second force, called adhesion, is an attraction between unlike molecules, such as those in water and in the sides of a glass tube. If adhesion is stronger than cohesion, the contents of the tube will be pulled upward. This process continues until the adhesive force is balanced by the weight of the water in the tube.

This characteristics of water are a consequence of a particularly strong type of intermolecular attraction, called the hydrogen bond, which is a special type of dipole-dipole interaction between the hydrogen atom in a polar bond, such as N-H, O-H, or F-H, and an electronegative O, N, or F atom.

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What are the coefficients of the balanced reaction? _CH4 + _CI2 ➡ _CCI4 + _HCI

stealth61 [152]

Answer:

CH4 + 4Cl2 --> CCl4 + 4HCl

Explanation: Message me if you need a thorough explanation

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