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Basile [38]
3 years ago
5

Which hand is negatively changed? A. B. C. D.

Chemistry
1 answer:
Lemur [1.5K]3 years ago
6 0

Answer:

I think B

Explanation:

There are more negative ions than positive ions

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Place these hydrocarbons in order of decreasing boiling point. Rank from highest to lowest boiling point. 1. Paraffin, C40Hg2 2.
lesya [120]

Answer:

Paraffin > Heptadecane > Hexane > 2,2-dimethylbutane > Propane

Explanation:

It must first be establish that all the molecules listed in the question are alkanes. For alkanes, the intermolecular forces between the molecules of alkanes increases with increasing molecular weight. This is as a result of increase in the surface area of the molecule. Increase in surface area implies a greater degree of dispersion forces.

This is the reason why high boiling points are observed for high molecular weight alkanes.

6 0
3 years ago
AlCl3 is lewis acid. Explain how?
professor190 [17]

 For AlCl3  to be a Lewis acid, it would have to react in such a way that it accepted a lone pair from some other atom or molecule from a Lewis base.AlCl3  has an electron-deficient aluminum atom. It has only six electrons in its valence shell. It readily accepts electrons from other atoms, in an attempt to get a full valence shell of eight electrons.
3 0
4 years ago
Due to mechanical weathering, a small boulder has broken into several pieces. Explain how this will affect the rate at which the
andrezito [222]

Answer:

It will increase the rate of chemical weathering.

Explanation:

Weathering is the breaking down or dissolving of rocks and minerals on the surface of the earth into smaller grains or soil.

Weathering can occur either by biological, chemical or mechanical means.

When mechanical (or physical) weathering breaks a small boulder into pieces, this will lead to an increase in the rate of chemical weathering.

Chemical weathering involves chemical reactions or changes that occur in rocks which results in changes in their size and composition. This chemical reactions that breaks down rocks include hydrolysis by water and oxidation by oxygen. <em>The rate of chemical reactions increase with increase in surface area of the substances reacting.</em>

When the boulder is broken into smaller pieces, it exposes a larger area of these rocks to the chemical reactions that weather rocks. For example, a larger surface of the rock may be exposed to water result in faster reaction of the rock salts with water, and thus, the rock particles are broken down faster.

7 0
4 years ago
Fluorine gas reacts violently with water to produce hydrogen fluoride and ozone according to the following unbalanced equation.
jeka94

Answer:

Fluorine gas reacts violently with water to produce hydrogen fluoride and ozone according to the following unbalanced equation. How many moles of o, are created assuming STP conditions are in effect, given

Explanation:

3

6 0
3 years ago
To create hydrogen and oxygen from water, you would need to perform which type of reaction?
vlabodo [156]
Since water consists of hydrogen and oxygen, you would need to "disintegrate" it into its smaller parts. This means that in order to create hydrogen and oxygen from water, you would need to perform B. decomposition. 
6 0
4 years ago
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