What volume would 4.32x1023 atoms of Krypton gas occupy at STP?​

The question is incomplete, the complete question is;

A chemist prepares a solution of silver (I) perchlorate (AgCIO4) by measuring out 134.g of silver (I) perchlorate into a 50.ml volumetric flask and filling the flask to the mark with water. calculate the concentration in mol/L of the silver (I) perchlorate solution. Round your answer to 2 significant digits.

Answer:

13 mol/L

Explanation:

We must first obtain the number of moles of silver I perchlorate involved

Molar mass of silver I perchlorate = 207.32 g/mol

Number of moles of silver I perchlorate = 134g/207.32 g/mol = 0.646 moles

Recall that;

n =CV

C= concentration

V= volume

n = number of moles

C = n/V

C = 0.646 moles * 1000/50

C = 13 mol/L

Answer:

C. The amount of product will be limited by the number of moles of

the limiting reagent.

Explanation:

a p e x :)) i just took the quiz

The amount of product will be limited by the number of moles of

the limiting reagent. Hence, option C is correct.

The reactant that gets consumed early in the reaction restricts the quantity of product which will be produced in the chemical reaction. Thus, the reactant that gets consumed early in a chemical reaction is a limiting reagent.

Hence, the amount of product will be limited by the number of moles of the limiting reagent.

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Answer:

720

Explanation:

4 m/s

60 seconds

                            = 180 seconds

3 minutes

4 m/s

                             = 720 m/s

180 seconds

Answer:

160.000 años corresponde a 16.000 décadas.

Explanation:

Para resolver correctamente el ejercicio debemos plantear la regla de tres simple de la siguiente manera:

1 década equivale a 10 años; A cuantas decadas equivalen 160.000 años?

1 década→10 años

          x    ←160.000 años

Debemos multiplicar 160.000 por 1 y luego dividir entre 10 ;

x=([tex]\frac{160.000x1}{10}[/tex])=16.000 décadas; en notación científica sería 16x10^3.

Respuesta: 160.000 años corresponde a 16.000 décadas.

Answer: 682 grams

Explanation:

The balanced chemical reaction is:

[tex]4Fe+3O_2\rightarrow 2Fe_2O_3[/tex]

[tex]O_2[/tex] is the limiting reagent as it limits the formation of product and [tex]Fe[/tex] is the excess reagent.

According to stoichiometry :

3 moles of [tex]O_2[/tex] produce = 2 moles of [tex]Fe_2O_3[/tex]

Thus 6.40 moles of [tex]O_2[/tex] will produce=[tex]\frac{2}{3}\times 6.40=4.27moles[/tex]  of [tex]Fe_2O_3[/tex]

Mass of [tex]Fe_2O_3=moles\times {\text {Molar mass}}=4.27moles\times 159.69g/mol=682g[/tex]

Thus 682 g of [tex]Fe_2O_3[/tex] will be produced from 6.40 moles of oxygen

Answer:

19 atoms

Explanation:

6 carbon, 12 hydrogen, one Nitrogen

Answer:

0.36 mol/L

Explanation:

The formula for molarity M=m/L

m stands for moles

L stands for liters

Plug it into the equation...

M=1.25 mol/3.5 L

M=0.35714285714

Answer:

[tex]\boxed {\boxed {\sf False}}[/tex]

Explanation:

Kinetic energy is the energy of movement or energy at work. An example is a ball rolling down a hill.

Potential energy is stored energy due to the position of an object. For example, a ball resting at the top of a hill.

The question incorrectly described potential energy as kinetic energy. Therefore, the answer is false.

Answer:

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Answer:

As altitude increases, the amount of gas molecules in the air decreases the air becomes less dense than air nearer to sea level.

Explanation:

Answer:

D; none of the above

Explanation:

Binary ionic compounds are composed of one metal and one nonmental.The metals are always the first element whereas the nonmetals are the second element.

Answer: Sodium fluoride

Answer:

don't sent such messages whatever you are

According to the concept of solubility and dissociation, aspirin at pH 8 and 10 undergoes dissociation to yield ions.

An ion is defined as an atom or a molecule which has a net electrical charge. There are 2 types of ions :1) cation 2) anion . The cation is the positively charged ion and anion is the negatively charged ion . As they are oppositely charged they attract each resulting in the formation of ionic bond.

Ions consisting of single atom are mono-atomic ions while which consists of two or more ions are called as poly-atomic ions . They are created by chemical interactions . They are very reactive in their gaseous state and rapidly react with oppositely charged ions resulting in neutral molecules.Ions are generated on dissociation.

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Answer:

A.? I think it is A hope it helps