what happens to the boiling point of hydrocarbon compounds when the number of carbon atom increases

A. Decreases
B. Increases
C. Remains the same
D. None of these

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Answer:

Because they want to clarify or give solution to the particle that the other didn't know

Explanation:

Correct me if im wrong thanks

Answer:

Group 5

Explanation:

Using method of elimination:

A. Group 1

Also known as the Alkali metals group. It contains metals such as lithium and sodium. This option is incorrect.

B. Group 2

Also known as the Alkali Earth metals group. It contains metals such as Magnesium and calcium. This option is incorrect.

C. Group 3

It contains metals such as Aluminium and scandium. This option is incorrect.

D. Group 5

This is the correct option. The elements in these group are non metals. Examples include Nitrogen.

Answer: A phylogenetic tree is an evolutionary tree that shows the evolutionary relationships between different groups of animals, Cladograms give a hypothetical picture of the actual evolutionary history of the organisms

Explanation: Hope this helps you out :)

Answer:

Trump or biden or obama or soba or you or beach

Answer:

C38H

Thank You!  :)

Answer:

105.3

Explanation:

The balanced equation:

N2 + 3 F2 ---> 2 NF3

The answer is 25 grams for this question

Answer:

This involves negatively charged particles (electrons) jumping to positively charged objects. When you rub the balloons against the fabric they become negatively charged. They take some of the electrons from the fabric and leave them positively charged.

Explanation:

Negative charges attract to positive charges. If a balloon is not rubbed with the wool cloth, it has an equal amount of negative to positive charges, so it will attract to a rubbed balloon. When both balloons are rubbed with the wool cloth, the both receive negative charges, so they will repel each other.

Answer:

a. [tex]r_{N_2O_5}=-0.075M/min[/tex]

b. [tex]r_{N_2O_4}=0.075M/min[/tex]

Explanation:

Hello.

In this case, according to the balanced chemical reaction, we can write the law of rate proportions:

[tex]\frac{r_{N_2O_5}}{-2} =\frac{r_{N_2O_4}}{2} =\frac{r_{O_2}}{1}[/tex]

Thus, we proceed as follows:

a. Since the rate of oxygen production is 0.15 M/min, we can make the following setup:

[tex]\frac{r_{N_2O_5}}{-2} =\frac{r_{O_2}}{1}\\\\r_{N_2O_5}=\frac{r_{O_2}}{-2} =\frac{0.15M/min}{-2}\\\\ r_{N_2O_5}=-0.075M/min[/tex]

b. Since the rate of oxygen production is 0.15 M/min, we can make the following setup:

[tex]\frac{r_{N_2O_4}}{2} =\frac{r_{O_2}}{1}\\\\r_{N_2O_4}=\frac{r_{O_2}}{2} =\frac{0.15M/min}{2}\\\\ r_{N_2O_4}=0.075M/min[/tex]

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ANSWER

p2O5 is diphosphorus pentoxide.

Answer:

Thus, the required heat is 79kJ 79 k J .

Explanation:

i think its the right bottem one

Answer:

There are 63.546 grams in a 2.50 moles of copper.

Answer:

Can u somehow make it bigger please?

Explanation:

Answer:

so I got it wrong the first time but you should pick two points on the line such as 4,3 and 9,5. Then use the equation y^2 - y^1/ x^2 - X^1. You would get 2/5 which is D.

Explanation

Answer:

See below!

Explanation:

To find the symbol of the element, you have to use the periodic table.  

The mass number is the number of protons and neutrons in the atom.  

The atomic number is the number of protons in the atom.

You can find the number of protons from the periodic table.

You can find the neutrons by subtracting the mass number by the number of protons in the atom.

Unless you have an ion, you will have the same amount of electrons as you do protons.

To write in nuclear notation, you write the chemical symbol with the mass number and atomic number shown in the attachment.  It is preferable to have the mass number and atomic number directly above each other.

Answer:

a heterogeneous mixture

Explanation:

I can see all of the different parts of the frozen yogurt, and if I were to pick up a gummy bear, it would come out. Thus, it is not fully/completely mixed with the other components.

It is a heterogenous mixture.

A type of mixtures where all the components are mixed uniformly called as homogeneous mixture.

Here the Particles are distributed in an uniform way, called as solution. Example rainwater, vinegar.

It consist of one phase, It can’t be separated out physically  

In heterogenous mixture, all the components are completely and equally mixed, particles can be seen under a microscope.

Here the Particles are distributed non-uniform way, Example: seawater, pizza, etc.

It can be in two or more phases and separated out physically

Learn more about heterogenous mixture, here:

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Answer:

molarity

Explanation:

Answer:

2.59g

Explanation:

Using Avagadro's law equation as follows:

V1/n1 = V2/n2

Where;

V1 = initial volume (litres)

V2 = final volume (litres)

n1 = first amount of gas in grams

n2 = second amount of gas in grams

According to the information provided in this question, v1 = 93.2L, v2 = 10.4L, n1 = 23.2 g, n2 = ?

Using V1/n1 = V2/n2

93.2/23.2 = 10.4/n2

Cross multiply

93.2 × n2 = 23.2 × 10.4

93.2n2 = 241.28

n2 = 241.28/93.2

n2 = 2.588

n2 = 2.59g

The mass of the gas is 2.59g that occupies a volume of 10.4 L under the same conditions.

V₁/n₁ = V₂/n₂

Where

V₁ = initial volume (litres)

V₂ = final volume (litres)

n₁ = first amount of gas in grams

n₂ = second amount of gas in grams

Given:

V₁ = 93.2L,

V₂ = 10.4L,

n₁ = 23.2 g,

To find:

n₂ = ?

On substituting the values:

93.2/23.2 = 10.4/n₂

93.2 * n₂ = 23.2 * 10.4

93.2* n₂ = 241.28

n₂ = 241.28/93.2

n₂ = 2.588

n₂ = 2.59g

Thus, the mass of the gas is 2.59g.

Find more information about Avogadro law here:

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The role of the presenter in a group discussion to introduce information for the group to discuss.

A discussion involving a number of people who are connected by some shared activity, interest, or quality.

Group discussion is a tool to test your teamwork skills, listening skills, discussion ability, subject knowledge, and communication.

Intrinsic skills like reasoning, speaking and time management come in very handy.

Skills that you can work upon include presentation, summarizing and people speaking.

The purpose of a group discussion is not to win an argument or to amuse your classmates.

The purpose of a discussion is to help each group member explore and discover personal meanings of a text through interaction with other people.

Learn more about group discussion here:

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Answer:

This happened when a nutritional question was presented. When asked a nutritional question, evidence was cited from one of the above sites to back up the answer.

Explanation:

Answer:

shift to restore equilibrium

Explanation:

Le Châtelier's Principle states that when a stress is applied to a system at equilibrium, the system will respond by shifting in the direction (either towards the products or reactants side) that opposes/ minimizes the effect of the stress.

Note that although the system tries to restore equilibrium, this equilibrium is a new equilibrium.

Equilibrium is the state of a reversible reaction when:

• two opposing reactions occur at the same rate;

• the concentrations of reactants and products are constant

Answer:

Hello I saw you guys were having trouble please put me as the brainiest

Explanation:

1. Golgi Apparatus

2. Nucleus  

3. Endoplasmic Reticulum  

4. Mitochondrion  

5. Ribosome

6. Lysosome  

Explanation:

mole = mass/molar mass

molar mass of KHCO3 = K + H + C + O3

39 + 1 + 12 + 3(16)

= 100g/mol

mass = 75.56

mole = 75.56/100

= 0.7556mol

The number of energy levels of zirconium is 5, and I know this because it is located in family five. Families are the rows across on the periodic table. The family number is always equal to the number of energy levels.Zirconium: properties of free atoms. Zirconium atoms have 40 electrons and the shell structure is 2.8.

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Explanation:

Answer:

It would react better than what with dilute and will furnish more hydrogen gas.