If 24 grams of sodium chloride reacts with an excess amount of magnesium how many grams of sodium oxide will be produced

Answer:

- One mole of oxygen was used in this reaction.

- Two moles of water were produced from this reaction.

Explanation:

In addition: - Two moles of hydrogen were used.

Given the data from the question, the correct statement is:

To know which options are correct, we shall determine the number of mole of O₂ used and the number of mole of H₂O produced.

Balanced equation

2H₂ + O₂ —> 2H₂O

From the balanced equation above,

2 moles of H₂ required 1 mole of O₂

Therefore,

1 mole of H₂ will require = 1 / 2 = 0.5 mole of O₂

Thus, 0.5 mole of O₂ is needed for the reaction

From the balanced equation above,

2 moles of H₂ reacted to produce 2 moles of H₂O

Therefore,

1 mole of H₂ will also react to to produce 1 mole of H₂O

Thus, 1 mole of H₂O was produced from the reaction.

SUMMARY

When 1 mole of H₂ was used in the reaction,

Considering the options given in the question above, the correct statement is:

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Answer:

Matter is never created or destroyed

Answer:

The correct answer is - 1/4096.

Explanation:

In the starting, there is that the number of atoms is  N 0 .

The number of half-lives in this case, = 300/ 25 = 12

After the first half-lives or 25 days,  N 1 = N 0 /2

the half life is that time where half of the sample had decay.

After the second half-life or 50 days,  N 2 = N 1 /2  = N 0 /4 .

There is division by two the original amount, then after four times you divide four times for  2  that means that you divide by  2 ^12  =4096 .

So the final amount remain is  N 12 = N 0 /4096  or 1/4096.

Explanation:

Ductility is the ability of a material to be drawn or plastically deformed without fracture. It is therefore an indication of how ‘soft’ or malleable the material is. The ductility of steels varies depending on the types and levels of alloying elements present. An increase in carbon, for example, will increase the strength but decrease the ductility.

Answer:

ductility of a metal able to be drawn out into a long thin wire.

The required molecule is :

=》option B.) C2H4O2

it has 2 carbon atoms, 4 hydrogen atoms which it twice the number of carbon atoms and 2 oxygen atoms same as carbon.

Answer:

The SI base unit for amount of substance is the mole. 1 mole is equal to 1 moles Silver, or 107.8682 grams.

Explanation:

I took a test about this :)

Answer: FALSE

Explanation:

Answer:

C. volume

Explanation:

Answer:

8.36 x 10^24 atoms/molecules

Explanation:

Avagadro's Number: 6.02214076 × 10^23

Avagadro's Number shows the number of molecules in 1 mole of substance. In this case, if there is 13.88 moles of lead, we multiply 13.88 by Avagadro's number:

(6.02214076 × 10^23)(13.88) = 8.358536 x 10^24 = 8.36 x 10^24

Answer:

option A,B,C

Explanation:

HCl

H2O

HC2H3O2

In the list given , following substance are classified as Acid:

HCl , HC₂H₃O₂ .

What is an Acid ?

A substance that can donate a proton or accept an electron pair to form a bond is called an Acid.

An acid turns Litmus paper red and has pH < 7 , It has the property of neutralizing alkali.

It has sour taste and can dissolve metals.

HCl is a strong acid , H₂O is neutral , HC₂H₃O₂ (Acetic acid) is a weak acid , NaCl is Salt , KOH and Mg(OH)₂ are strong base.

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The list that correctly shows units of a single organ system, in order from the smallest unit to the largest unit of organization is as follows: hepatic cell, liver tissue, liver, digestive system.

The level of organization of life shows the hierarchical arrangement of the components that make up life.

The levels of organization are as follows:

Therefore, the list that correctly shows units of a single organ system, in order from the smallest unit to the largest unit of organization is as follows:

hepatic cell, liver tissue, liver, digestive system

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Explanation:

A cell is the membrane unit that contains all the fundamental molecules to living life. To make it short nd easy, a cell is the smallest nd basic unit of life, it's responsible for all life's processes. The human body is comped of m(tr)illions of cells, they all each provide different types of functions.

Answer:

The total atoms present in the chemical formula is 13

Explanation:

Answer:

2.8l

Explanation:

just make v2 de subject

Answer:

D

Explanation:

earth orbits the sun. the sun doesn’t orbit around earth. and moon take 27 days around the earth

Answer:sorry

Explanation:

Answer:

C

Explanation:

C, because unlike A and B, it's an improvement in human population. And D wouldn't really be classified as an improvement as it states "Population has not decreased or increased significantly."

Answer:

Dealing with the states of both the reactant and product elements

Answer: A

Explanation:

A

Heat is the product of the mass, specific heat, and delta temperature. The gold metal will reach the highest temperature. Thus, option A is correct.

Specific heat (c) is the heat required by a substance to get heated a unit mass by a unit of temperature. The specific heat is given as,

[tex]\rm c = \rm \dfrac{Q}{m \times \Delta T}[/tex]

Here, Q is the heat applied, m is the sample's mass and delta T is the change in the temperature.

The value of heat applied is the same for all the metals, so a change in temperature is calculated as,

[tex]\rm \Delta T = \rm \dfrac{Q}{c . m }[/tex]

From this, it can be said that the temperature is inversely related to the specific heat of the metal and hence the metal having the smallest c will have the highest change in the temperature.

Therefore, gold (c = 0.129 J/(g°C)) will reach the highest temperature.

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Answer:

D

Explanation:

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While balancing the chemical equations, the sub scripts aren't changed because by changing sub script we actually change the compound formed, hence coefficients are changed so the compound remains the same.

for example : ( for understanding )

in balancing the given reaction,

H2 + O2 =》H2O

if we change Oxygen's sub script in " H2O "

we get,

H2O + O2 =》H2O2

but here the compound formed isn't water, it is "H2O2" (hydrogen peroxide), so we can't change the sub script.

but by changing the coefficient, we get :

2 H2 + O2 =》2 H2O

Answer:

the answer is

Explanation:

number of mollecoles

In chemistry a coefficient denotes the number that is seen in front of the formula of a equation. The coefficient in the given equation 4CO₂ is 4.

A number which precedes the formulas of reactants and products in order to balance a chemical equation is defined as a coefficient. It represents the number of atoms or molecules of each elements which are present in the reaction.

A chemical equation should be balanced and it must obey the law of conservation of mass which states that the number of reactants and products on both sides of the equation should be equal.

The coefficients are the numbers which are required to balance a chemical equation and it may vary while balancing a equation. The coefficient is found to be 1 if no number is mentioned in front of the formula of the reactants and products.

In the given equation 4CO₂, 4 is the coefficient which shows that 4 'C' atoms and 8 'O' atoms are present in the compound CO₂.

Thus the coefficient in the compound 4CO₂ is 4.

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Answer:

4.00

Explanation:

Answer:

2Li + 2H2O → 2LiOH + H2

Explanation:

Lithium + Water = Lithium Hydroxide + Dihydrogen

Answer:

limited

Explanation:

have a good day :)

Explanation:

[tex]CH _{3}CH _{2}COOCH _{2} CH _{2}CH _{2}CH _{2}CH _{2}CH _{3}[/tex]

NAME: Hexylpropenoate

Answer:I’m 100% it’s the second one

Explanation:

I have done it before and missed one but not this question

Answer:

you hot A S F

Explanation: