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andrew11 [14]
3 years ago
6

While following the Dumas method, a student assumes that the contents of the container are the same temperature as the water bat

h. If this is NOT true, and the material in the container is cooler, how will this influence the calculations?
A. The calculated Molar Mass will be smaller.

B. The calculated Molar Mass will not be affected.

C. The calculated Molar Mass will be larger.
Chemistry
1 answer:
Nataliya [291]3 years ago
5 0

Answer:

A

Explanation:

the Molar mass will be smaller as the content of the container is not directly proportional to the temperature of the water bath.

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<h2>A. Air, Soil, Sand, Water</h2>

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Mama L [17]

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Explanation:

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6 0
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How much (in mL) 12.1 M solution of hydrochloric acid would be required to make 500 mL of a 2.5 M solution
victus00 [196]

Answer:

Volume of the concentrated solution, which is needed is 103.30 mL

Explanation:

Let's apply the formula for dilutions to solve the problem

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6 0
4 years ago
Xas shown in table 15.2, kp for the equilibrium n21g2 + 3 h21g2 δ 2 nh31g2 is 4.51 * 10-5 at 450 °c. for each of the mixtures li
Agata [3.3K]
According to the balanced equation of this reaction:
N2(g) + 3H2(g) ↔ 2NH3(g)
and when we have Kp = 4.51 x 10^-5 so, in the Kp equation we will substitute by the value of the P for each gas to compare the value with Kp = 4.51x10^-5

a) when we have 98 atm NH3, 45 atm N2, 55 atm H2 by substitution in Kp equation:
Kp= [p(NH3)]^2 / [p(N2)]*[p(H2)]^3 = [98]^2 / [45]*[55]^3
                                                        = 1.28x10^-3 
So here the value is higher than the value of the given Kp.
so the reaction will go leftwards toward the reactants ( to reduce the value of Kp) to reach the equilibrium. 
b) When 57 atm NH3, 143 atm N2, No H2 so like a) by substitution:
Kp = [57]^2 / [143] = 22.7
So the reaction will go leftwards toward the reactants to reduce the value of Kp to reach equilibrium.
c) when 13 atm NH3, 27 atm N2, 82 H2
Kp = [13]^2 / [27]*[82]^3 = 1.135 x 10^-5 So this value is lower than the Kp which is given.
 so, the reaction will go towards the right toward the products to increase the value of Kp to reach the equilibrium.  
8 0
3 years ago
Can someone help me out real quick? Thanks!
Dahasolnce [82]

I think the answer is B.

I hope this helped.

3 0
3 years ago
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