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Dominik [7]
3 years ago
15

The equilibrium constant for this system is

Chemistry
1 answer:
Lubov Fominskaja [6]3 years ago
5 0

Answer:

A. 9.2 x 10-2 M.

;p

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What is the molarity of 2.3 mol of Kl dissolved in 0.5 L of water
Nastasia [14]

Answer:

4.6\,\,moL\,\,L^{-1}

Explanation:

Molarity refers to a measure of concentration.

Molarity = moles of solute/Litres of solution

Molarity refers to number of moles of solute present in this solution.

In order to find a solution's molarity, use value for the number of moles of solute  and the total volume of the solution expressed in liters

As molarity of 2.3 mol of Kl is dissolved in 0.5 L of water,

Molarity = \frac{2.3}{0.5} =4.6\,\,moL\,\,L^{-1}

4 0
4 years ago
If 4.168 kJ of heat is added to a calorimeter containing 75.40 g of water, the temperature of the water and the calorimeter incr
Savatey [412]

Answer:

The value of  the heat capacity of the Calorimeter  C_c = 54.4 \frac{J}{c}

Explanation:

Given data

Heat added Q = 4.168 KJ = 4168 J

Mass of water m_w = 75.40 gm

Temperature change = ΔT = 35.82 - 24.58 = 11.24 ° c

From the given condition

Q = m_w C_w ΔT + C_c ΔT

Put all the values in above equation we get

4168 = 75.70 × 4.18 × 11.24 +  C_c × 11.24

611.37 =  C_c × 11.24

C_c = 54.4 \frac{J}{c}

This is the value of  the heat capacity of the Calorimeter.

5 0
3 years ago
A pencil sharpener contains which simple machine
Whitepunk [10]
Wheel and axle its spins
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MgCO3+HCl->MgCl2+H2CO3
Dmitrij [34]
Balanced <span>chemical equation :

</span><span>1 MgCO3 + 2 HCl = 1 MgCl2 + 1 H2CO<span>3</span></span>
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What is the molecular formula for the model below?
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Just count the number C’s and H’s
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3 years ago
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