Which structure shows the correct electron arrangement in CCl4?
A central upper C is single bonded to upper H above, below, and to the left, and single-bonded to upper C l to the right. The C l has three pairs of electron dots, above, right, and below.
A central upper C is single bonded to upper C l to the top, bottom, and left; those upper C l atoms have three pairs of electron dots on the sides away from the bond. The C is also single bonded to an upper H to the right.
A central upper C is single bonded to upper H above and below, and to upper C l to the left and right. The C l have three pairs of dots, above, below, and to the side opposite the bond.
A central upper C is single bonded to upper C l above, right, left, and below. All the C l atoms have 3 pair of electron dots, on the three sides that do not have the bond.

Answer:

hope this is correct

The oxidizing agent is F and The reducing agent is Ni.

An oxidizing agent also known as an oxidant, oxidizer, electron recipient, or electron acceptor is a substance in a redox chemical reaction that gains or "accepts"/"receives" an electron from a reducing agent called the reductant, reducer, or electron donor.

In chemistry, a reducing agent also known as a reductant, reducer, or electron donor is a chemical species that "donates" an electron to an electron recipient called the oxidizing agent, oxidant, oxidizer, or electron acceptor.

The oxidizing agent is F and The reducing agent is Ni.

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Answer:

O2 and O3 are allotropes of Oxygen, therefore they have (4) different chemical and physical properties.

Explanation:

Answer:

c) yellow precipitate of Agl is formed

Explanation:

KI + AgNO3 = AgI (s)+ KNO3

c) yellow precipitate of Agl is formed

Answer:

Neon

Explanation:

Answer:

Neon

Explanation:

Open this periodic table and you can see the names and numbers of every element

Hope it helps! :)

Answer:

Gravity force (friction towards Marek ).

Explanation:

According to the situation, Marek try to push the box which contains some mass because of sports equipment  

Marek tries to push the box, but gravity tries to the down box on the floor.

So, box and floor create friction towards Marek

.

Answer:

Gravity force

Explanation:

Answer:

The resulting atom is argon

Explanation:

Positron emission is a type of radioactive decay known as beta plus decay. This reaction is characterized by an element having an increase in the number of neutrons and a decrease in the number of protons.

This affects the atomic number in which it is decreased by one while the mass number remains unchanged.

Answer:

2 4He

Explanation:

Please see attachment for explanation.

Answer:2/2 he

Explanation:

Answer:

All of the above

Explanation:

Answer:

All of the above

Explanation:

Earth is the only planet in our solar system that has a large amount of liquid water. About 74% of the surface of Earth is covered by liquid or frozen water. Because of this, people sometimes call it the blue planet. Because of its water, Earth is home to millions of species of plants and animals

Thank me later

Hope this helps!!!

Answer:

C

Explanation:

Both proton and neutron have a mass of 1 atomic unit. ( proton positive but neutron no charge) .

even though they both has a mass of 1 amu , they slightly differ in mass. neutron has slightly greater mass than proton .

but electrons are very smaller than protons and neutrons. electron has 1/1840 mass of proton. so they are very smaller than protons.

answer is C

Answer:

B. Atom, molecule, cell, organism

Explanation:

Atoms make up molecules. Molecules make up cells. Cells make up tissue. A number of tissues working together creates an organ. Multiple organs working together creates an organ system. Organ systems working together creates one happy, functioning organism. :)

The time interval in which a substance exists as both liquid and solid is called ; Triple point

A triple point is a time interval in a substance when the pressure and temperature of the substance causes the substance to exist in more than one phase at a time. Substances that exhibit this characteristic are called non-Newtonian fluids.

A good example of a substance that exist in both liquid and solid form within this time interval is Potassium.

Hence we can conclude that the time interval in which a substance exists as both liquid and solid is called triple point.

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Although your question has some missing data a general answer within the scope of your answer is provided above

Answer:

By using magnet.

Explanation:

Put sand and zinc in the bowl.

Take a magnet an bring it close to the bowl.

The zinc from the sand will be attracted towards the magnet.

In this way it will be separated.

Explanation:

Congenital erythropoietic porphyria, for example, prematurely ... Uroporphyrin I, coproporphyrin I, and other symmetric .

Answer:

the endangered spices act

Explanation:  The US Endangered Species Act (ESA) is our nation's most effective law to protect at-risk species from extinction, with a stellar success rate: 99% of species listed on it have avoided extinction.

Answer:

C

Explanation:

Answer:Combination.

Decomposition.

Single displacement.

Double displacement.

Combustion.

Redox.

Explanation:

Answer:

naturally, through diet or exercise or drugs, specifically receptor antagonists

Explanation:

diet/exercise - diet is self explanatory, since a healthy diet would mean that your body would be balanced, and wouldn't struggle with producing NTs

drugs - any type of drug will mimic the behavior of NTs, but receptor antagonists specifically will increase the concentration of neurotransmitters in a synapse. Antagonists would block the receptors, and thus the NTs that were intended for the blocked space, will not have anywhere to go. As a result, the NTs will stay in the synapse, and cause an increase in the concentration of NTs.

ps: you'd have more luck asking this question in biology

The effect of carbon dioxide that is coming out of volcanoes can be global warming.

CO2 has been demonstrated to be a critical supporter of air contamination, playing a significant job in the greenhouse effect. That is on the grounds that carbon dioxide traps rays at the ground level, bringing about ground-level ozone. That keeps the earth from cooling during the evening and warms sea waters.

More carbon dioxide in the atmosphere will lead to global warming.

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The effect of carbon dioxide that is coming out of volcanoes can be global warming.

[tex]CO_2[/tex] has been demonstrated to be a critical supporter of air contamination, playing a significant job in the greenhouse effect.

That is on the grounds that carbon dioxide traps rays at the ground level, bringing about ground-level ozone.

That keeps the earth from cooling during the evening and warms sea waters.

More carbon dioxide in the atmosphere will lead to global warming.

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Answer:

The efficiency rating of the jack is 0.067.

Explanation:

We have, a person applies a force of 200 N over 1.5 m to a jack. The jack exerts a 1000-N force on a car a distance of 0.02 m.

It is required to find the the efficiency rating of the jack. It is equal to the ratio of output work to the ratio of input work. So,

[tex]\eta=\dfrac{1000\times 0.02}{200\times 1.5}\\\\\eta=0.067[/tex]

Thus, the efficiency rating of the jack is 0.067.

Answer:sodium(a)

Explanation:

Answer:

Option B. The equilibrium of the reaction would shift to the right.

Explanation:

According to Le Chatelier's principle, when an external constrain such as change in concentration, temperature or pressure is imposed on a chemical system in equilibrium, the equilibrium position will shift in order to neutralize the effect.

Now, let us answer the question above.

From the question given above, the equation is:

A + B <===> C + D

Increasing the concentration of A will shift the equilibrium position to the right.

This is true because increasing the concentration of A means having more reactants in the system. So the reactants react to produce more product thereby shifting the equilibrium position to the right.

Answer:

put the solution over ice.

Answer:  c

Explanation:

their is less matter to insulate so the smaller the amount of water the easier the temperature can be changed

Answer:

The answer is option c.

Hope this helps.

Answer:

0.93L

Explanation:

We'll begin by calculating the number of mole of present 374g of KNO3. This is illustrated below:

Mass of KNO3 = 374g

Molar mass of KNO3 = 39 + 14 + (16x3) = 101g/mol

Number of mole of KNO3 =..?

Mole = Mass /Molar Mass

Number of mole of KNO3 = 374/101 = 3.7 moles

Now, we can calculate the volume of the solution as follow:

Mole of KNO3 = 3.7 moles

Molarity = 4M

Volume =..?

Volume = mole /Molarity

Volume = 3.7/4

Volume = 0.93L

Therefore, the volume of the solution is 0.93L

Answer:

THE VOLUME OF A 4 M SOLUTION THAT CONTAINS 374 g OF KNO3 IS 0.93 L

Explanation:

Number of moles = concentraion * volume

Number of moles can also be written as:

number of moles = mass / molar mass

Calculate the molar mass of KNO3 where (K = 39, N = 14, 0=16)

molar mass of KNO3 = (39 + 14 + 16*3) = 101 g/mol

So therefore:

mass / molar mass = concentration * volume

where;

mass = 374 g

molar mass = 101 g/mol

concentration = 4 M

volume = unknown

Hence,

374 / 101 = 4 * V

V = 374 / 101 * 4

V = 374 / 404

V = 0.9257 dm3

The volume of a 4M solution that contains 364 g of KNO3 is approximately 0.93 L

Answer:

1. B - Both are monbasic.

B - Both are monbasic.2. B - fast but contains more water than acid

B - Both are monbasic.2. B - fast but contains more water than acid3. D - Acids made from oxides of non metals

B - Both are monbasic.2. B - fast but contains more water than acid3. D - Acids made from oxides of non metals4. C. Zn(OH)2

B - Both are monbasic.2. B - fast but contains more water than acid3. D - Acids made from oxides of non metals4. C. Zn(OH)25. C - Neutralization

B - Both are monbasic.2. B - fast but contains more water than acid3. D - Acids made from oxides of non metals4. C. Zn(OH)25. C - Neutralization6. B - H3O+

Explanation:

According to reaserch,

According to reaserch,An neutralization reaction can be defined as a chemical reaction in which an acid and base quantitatively react together to form a salt and water as products. In a neutralization reaction, there is a combination of H+ ions and OH– ions which form wa acid anhydride is an acid anhydride that is an organic compound.

According to reaserch,An neutralization reaction can be defined as a chemical reaction in which an acid and base quantitatively react together to form a salt and water as products. In a neutralization reaction, there is a combination of H+ ions and OH– ions which form wa acid anhydride is an acid anhydride that is an organic compound. An acid anhydride is a compound that has two acyl groups bonded to the same oxygen atom.