is there sodium in C2H6

Answer:

Option 2 or B

Explanation:

The base is partially dissociating into products.

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The correct answer is: The base is not dissociating into any ions.

When the position of equilibrium lies to the left, it means that the equilibrium favors the formation of the reactants rather than the products. In the context of a base being added to water, it implies that the base does not dissociate significantly into ions or dissociates only to a small extent.

When a base is added to water, it can undergo a process called ionization or dissociation, where it breaks apart into ions. In the case of a strong base, such as sodium hydroxide (NaOH), it completely dissociates into its constituent ions (Na+ and OH-) in water. This means that all the base molecules break apart, and a high concentration of ions is present in the solution.

However, if the base is weak or the equilibrium lies to the left, the base molecules do not dissociate significantly into ions. This can be due to factors such as the nature of the base or the conditions of the reaction. In such cases, only a small fraction of the base molecules dissociate into ions, and the concentration of ions in the solution is relatively low.

Therefore, when the position of equilibrium lies to the left, it indicates that the base is not dissociating into any ions or is dissociating only to a small extent. The base remains mostly in its molecular form and is present in the solution in relatively small amounts.

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Answer:

Na⁺ = 1s² 2s² 2p⁶ 3s⁰

Explanation:

Sodium is alkali metal.

It is present in group 1.

Its atomic number is 11.

Its atomic mass is 23 amu.

Its electronic configuration is,

Na₁₁ = 1s² 2s² 2p⁶ 3s¹

Thus electrons in 3 energy levels are 2, 8, 1.

Sodium have one valance electron. The one valance electron of sodium is easily lost by sodium atom and get stable electronic configuration and form cation.

Na  → Na⁺ + 1e⁻

Electronic configuration of sodium ion:

Na⁺ = 1s² 2s² 2p⁶ 3s⁰

Thus electrons in 3 energy levels are 2, 8.

Answer:

Artistic expression

Explanation:

Think of it as the control panel of our personality and our ability to communicate

Answer:

I do believe it's they have one overall charge. Not sure though.

Explanation:

Answer:

Explanation:

The most common example is the molar volume of a gas at STP (Standard Temperature and Pressure), which is equal to 22.4 L for 1 mole of any ideal gas at a temperature equal to 273.15 K and a pressure equal to 1.00 atm.

Answer: B. dinosaur bone

Explanation: Took the test hope this helps! :)

Answer:

4 significant figures

Explanation:

505 has 3 significant figures

450.25 has 5 significant figures

First do simple subtraction

505 - 450.25 =54.75

And then evaluate any number that has significance or is important if the decimal were to be moved.

4 significant figures

Answer:

Explanation:

You are given the reaction Cu + HNO3 → Cu(NO3)2 + NO + H2O.

Half-reactions:

First: 3 upper C u right arrow 3 upper C u superscript 2 plus, plus 6 e superscript minus. Second: 2 upper N superscript 5 plus, plus 6 e superscript minus right arrow 2 upper N superscript 2 plus.

Complete the final balanced equation based on the half-reactions.

⇒ 3Cu +  

⇒ 8HNO3

⇒ 3Cu(NO3)2 +  

⇒ 2NO +  

⇒ 4H2O

The final balanced equation based on the half-reactions is 3Cu + 8HNO₃ → 3Cu(NO₃)₂ + 2NO + 4H₂O

Redox is a type of chemical reaction in which the oxidation states of substrate change.

Oxidation is the loss of electrons or an increase in the oxidation state of a chemical or atoms within it.

Reduction is the gain of electrons or a decrease in the oxidation state of a chemical or atoms within it

Given Equation ;

Cu + HNO₃ → Cu(NO₃)₂ + NO + H₂O

The first step is to write the oxidation numbers for each atoms in the given equation  

Cu0 + H⁺¹N⁺⁵O⁻²₃ → Cu⁺²(N⁺⁵O⁻²₃)₂ + N⁺²O⁻² + H⁺¹₂O

Identify the oxidizing and reducing agent  

Balance equation in half reaction  

Cu0 + 2 HNO₃ → Cu⁺²(N⁺⁵O⁻²₃)₂ + 2e-

H⁺¹N⁺⁵O⁻²₃ + 3e- → N⁺²O⁻²

Now balance the charge

Cu0 + 2HNO₃ → Cu⁺²(N⁺⁵O⁻²₃)₂ + 2e- + 2H+

H⁺¹N⁺⁵O⁻²₃ + 3e- + 3H+ → N⁺²O⁻²

Balance the oxygen atom  

Cu0 + 2HNO3 → Cu+2(N+5O-23)2 + 2e- + 2H+

H+1N+5O-23 + 3e- + 3H+ → N+2O-2 + 2H2O

Make electron gain equivalent to electron lost.

3Cu0 + 6HNO3 → 3Cu+2(N+5O-23)2 + 6e- + 6H+

2H+1N+5O-23 + 6e- + 6H+ → 2N+2O-2 + 4H2O

Complete reaction  

3Cu0 + 8H+1N+5O-23 + 6e- + 6H+ → 3Cu+2(N+5O-23)2 + 2N+2O-2 + 6e- + 4H2O + 6H+

Simplify the equation

3Cu0 + 8H+1N+5O-23 → 3Cu+2(N+5O-23)2 + 2N+2O-2 + 4H2O

Final equation  

3Cu + 8HNO₃ → 3Cu(NO₃)₂ + 2NO + 4H₂O

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Answer:

d. Add more HCl

Explanation:

To produce more Cl₂ gas, it is best to add more HCl to the reaction. In this way more products will be formed.

According to the Le Chatelier's principle "if the conditions of equilibrium is changed, the system will adjust itself in order to annul the effect of the change".

The study of chemicals and bonds is called chemistry.

The correct answer is D.

According to the Charlier principle, the reaction will shift to the formation of the product when the amount of reactant is more.

According to the question, we have to produce more Cl in the given reaction.

[tex]4HCL+ O_2---> 2H_2O + CL_2[/tex].

To increase the amount of chlorine in the equation, we have to increase the HCl in the equation because the Chlorine gas is evolved from the HCl.

Hence, the correct answer is D.

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Answer:

Seismic waves

Explanation:

Scientists study earth's interior using seismic waves. These waves are produced during an earthquake.

Answer:

mountains and continental drift seafloor spreading

Explanation:

A

B

C

Answer:

it would be a cation ... i believe

Explanation:

To become a cation, a positively charged ion, an atom would have to lose at least two electrons  

Answer:

he distance to a star can be found by comparing its luminosity to its apparent brightness.

Explanation: A star that is far away will be very dim compared to its luminosity. So it proves that  the ratio of its luminosity to apparent brightness will be greater than for a nearby star.

1rst is D, second is A

Explanation:

Answer:Yes

Explanation the motor would run faster because the increased electrical force increases the magnetic force in the motor

Answer:

A1

Explanation:

Answer:

4

Explanation

It states there is two before the Li, and I ruled out three because four is the only number that goes after the particles that stands alone, the three means that there are three particles of N4

Answer:

[tex]d=1.69\times 10^{-3}\ g/mL[/tex]

Explanation:

Given that,

Mass, m = 0.186 g

Volume occupies, V = 110 mL

We need to find the density of Nitrogen gas. The mass per unit volume is called density of an object. It is given by the formula as follows :

[tex]d=\dfrac{m}{V}\\\\d=\dfrac{0.186\ g}{110\ mL}\\\\=1.69\times 10^{-3}\ g/mL[/tex]

So, the required density is [tex]1.69\times 10^{-3}\ g/mL[/tex].

Answer:

true.

Explanation:

Carbon is an essential element for all life forms on Earth. Whether these life forms take in carbon to help manufacture food or release carbon as part of respiration, the intake and output of carbon is a component of all plant and animal life. Carbon is in a constant state of movement from place to place.

Answer:

The law of the conservation of mass states that matter is neither created nor destroyed, only converted to other forms. Therefore, the mass never changes, even if its appearance does.

Explanation:

Well there are no choices provided.

But an atom just consists of a central nucleus which has to be surrounded by 1+ electrons. The nucleus is positively charged (this contains a positively charged proton and a neutrally charged neutron).

Atoms are the building blocks of life.

Answer:

D. in Carbon dioxide released by factory's in to the atmosphere

Explanation:

hope this helps.

Answer:

I think in B drinking water supplies

or D.

Explanation:

it had to be D instead

Answer:

electromagnetic waves have different wavelengths and frequencies but the same velocity

Answer:

6

Explanation:

Carbon can react with oxygen to form carbon dioxide. Which of the following statements about this chemical change is true? ... Carbon and oxygen atoms are destroyed as new atoms are formed. Carbon and oxygen atoms have the same properties as molecules of carbon dioxide.

Answer:

25

Explanation:

This questoin about physics but solution is there

Kinetic energy = 1/2 . m. V. V

m=weight

V=velocity

1/2 . 2. 25 = 25

Answer:

This means that the wave is bigger because amplitude is the hight of the crest of the wave!

Explanation:

SO IT MEANS THE WAVE IS BIGGER AND TALLER :D

Answer:

k-39

Explanation:

also pls mark brainliest <3 :)))

Answer- k-39

Explanation:

it is the closest to the actual amu