The process that converts light energy from the sun to chemical energy stored in glucose is called

Calculate the number of total atoms in 195 grams of Ni(OH)2.

Anni [7]

1.267 x 10 ^ 24 is the total number of atoms

6 0

3 years ago

Determine the partial pressure and number of moles of each gas in a 15.75-L vessel at 30.0 C containing a mixture of xenon and n

lawyer [7]

Answer:

The Partial pressure of Xe and Ne will be 4.95 atm and 1.55 atm. The number of moles of Xe and Ne will be 3.13 and 0.981

Explanation:

Let the total pressure of the vessel= 6.5 atm and mole fraction of Xenon= 0.761

As we know,

$\chi_{Ne} + \chi_{Xe} = 1\\\chi_{Ne}= 1- 0.761\\\chi_{Ne}= 0.239$

According to Dalton's Law of partial pressure-

$P_i=\chi_i\times P_{total}$

Where,

$P_i=$ The pressure of the gas component in the mixture

$\chi_i=$ Mole fraction of that gas component

$P_t=$ The total pressure of the mixture

$P_{Xe}=(0.761)\times(6.5)\\P_{Xe}= 4.95 atm\\\\\\P_{Ne}=(0.239)\imes (6.5)\\P_{Ne}= 1.55 atm$

Calculation:

To calculate the number of moles,

PV=nRT

$n=\frac{PV}{RT}$

$n_{Xe}= \frac{4.95\times 15.75}{0.0821\times303 }\\ n_{Xe}= \frac{77.96}{24.87} \\n_{Xe}= 3.13\,mole \\\\\\n_{Ne}= \frac{1.55\times 15.75}{0.0821\times303 }\\\\n_{Ne}=\frac{24.41}{24.87}\\ n_{Ne}=0.981 \,mole$

Learn more about Dalton's Law of partial pressure here;

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4 0

2 years ago

What is meant by isomerism?

agasfer [191]

What is meant by isomerism?

➪ Two or more compounds having the same molecular formula but different structures are called isomers and this process is known as isomerism...~

8 0

2 years ago

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There are on average 43 g of sugar and 355 mL can of soda please calculate the molarity of sugar in the can of soda the molar ma

vfiekz [6]

Explanation:

Given :

Amount of solute - sucrose (C12H22O11) = 41 g

Amount of solvent -soda = 355-mL

Molarity of the solution with respect to sucrose= ?

Molarity(M) is a unit of concentration measuring the number of moles of a solute per liter of solution. The SI unit of molarity is mol/L.

Formula to find the molarity of solution :

Molarity =

Amount of solvent is given in mL, let’s convert to L :

1 L = 1000 mL

Therefore, 355 mL in L will be :

= 0.355 L

We have the amount of solute in g, let’s calculate the number of moles first :

Number of moles (n) =

Molar mass of C12H22O11 = 342.29 g/mol.

Therefore, n =

= 0.119 moles.

8 0

3 years ago

The reaction between zinc (Zn) and hydrogen chloride (HCl) produces zinc chloride (ZnCl), hydrogen (H2) gas, and heat. If more h

andrew-mc [135]

If more heat is removed from the reaction the rate of reaction change as below to counter the action

The rate of the forward reaction increase and produces more zinc chloride

explanation

The reaction of zinc and HCl to produce ZnCl and H2 is exothermic reaction, heat is produced as one product and by removing heat it favor forward reaction

The position of equilibrium moves to the right since removing heat led to decrease of temperature and more zinc chloride is produced.

6 0

3 years ago