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2 years ago

10) Which gas sample at STP has the same number of molecules as a 2.0 Liter

Chemistry

1 answer:

goblinko [34]2 years ago

7 0

Answer:

The sample at STP that has the same total number of molecules as 2.0 liters of CO2(g) at STP is 2) 2.0 L of CI2 (g) New questions in Chemistry Exercise 1-8 Calculate the number of moles of 4.82 x 10 to the power of 24 iron atoms

Explanation:

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Yakvenalex [24]

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3 years ago

The solubility of BaCO3(s) in water at a certain temperature is 4.4 10–5 mol/L. Calculate the value of Ksp for BaCO3(s) at this

azamat

Answer : The value of $K_{sp}$ for $BaCO_3$ is $19.36\times 10^{-10}mole^2/L^2$ .

Solution : Given,

Solubility of $BaCO_3$ in water = $4.4\times 10^{-5}mole/L$

The barium carbonate is insoluble in water, that means when we are adding water then the result is the formation of an equilibrium reaction between the dissolved ions and undissolved solid.

The equilibrium equation is,

$BaCO_3\rightleftharpoons Ba^{2+}+CO^{2-}_3$

Initially - 0 0

At equilibrium - s s

The Solubility product will be equal to,

$K_{sp}=[Ba^{2+}][CO^{2-}_3]$

$K_{sp}=s\times s=s^2$

$[Ba^{2+}]=[CO^{2-}_3]=s=4.4\times 10^{-5}mole/L$

Now put all the given values in this expression, we get the value of solubility constant.

$K_{sp}=(4.4\times 10^{-5}mole/L)^2=19.36\times 10^{-10}mole^2/L^2$

Therefore, the value of $K_{sp}$ for $BaCO_3$ is $19.36\times 10^{-10}mole^2/L^2$ .

3 0

3 years ago

LOILO CIVILIANVEIV.<br> 4. The two new cells formed by mítosis are called

ikadub [295]

Mitosis is where the cell divides its previously-copied DNA and cytoplasm to make two new, identical daughter cells.

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3 years ago

What will you observe if you add cuso4 to a solution containing glucose?

arsen [322]

The blue color of copper (ii) sulfate will change to green, yellow, orange ,red and then a dark red or brown.
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2 years ago

What are the major species in solution when solid ammonium bromate is dissolved in water?

DaniilM [7]

The major species in solution when solid ammonium bromate is dissolved in water is shown below

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3 years ago