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stepladder [879]
3 years ago
15

If you were to observe the liquid evaporating away what would you see forming at

Chemistry
1 answer:
Marat540 [252]3 years ago
6 0
Condensation would occur at that time
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Calculate the dissociation constant of nh4oh(aq) if the degree of dissociation of 0.006 mol/kg solution is 0.053 and the activit
Anastasy [175]

The dissociation equation will be

                         NH4OH   --->        NH4+                   + OH-

Initial                 0.006                        0                          0

Change         -0.006 X 0.053        +0.006 X 0.053      -0.006 X 0.053

Equlibrium     0.006 -0.006 X 0.053      0.006 X 0.053    0.006 X 0.053

Ka = [NH4+] [ OH-] / [NH4OH] = (0.006 X 0.053)^2 / 0.006 -0.006 X 0.053

Ka = 1.78 X 10^-5

7 0
3 years ago
Cómo podemos aplicar los conocimientos químicos a nuestra vida cotidiana?
lianna [129]
Cause of imagination
저 하늘의 오렌지빛 마법이 끝이 나기 전에
'Cause of imagination 그 찰나에
Can you feel the rush? Can you feel the rush?
시간아 멈춰줘
I wanna stay, hey (Can you feel the rush? Can you feel the rush?)
두 세계의 경계선 그 틈에 너와 나를 남기고파 (Come on, let's do it)
I wanna stay, hey (Can you feel the rush? Can you feel the rush?)
개와 늑대의 그 시간엔 마법 속에 갇히고파 (Blue hour!)
7 0
2 years ago
A syringe with 32.0 mL contains gas at 649.0 mmHg. The plunger is pushed in and now the volume is 19.5 mL. What is the new press
Natasha2012 [34]

Answer:

1.40 atm

Explanation:

P1V1 = P2V2

P2= P1* V1/V2

P1=649.0mmHg

V1= 32.0mL

V2= 19.5mL

P2=649.0mmHg*32.0ml/19.5ml=

1065.03mmHg

To get mmHg to atm. The formula is 1atm/760mmHg

Use the answer you got in mmHg to convert into (atm), If you were asked

1065.03mmHg*(1atm/760mmHg)= 1.40atm

6 0
3 years ago
The major agent of erosion that shapes the land surface of earth
Ganezh [65]

The answer is; water

Water from precipitation is the main agent of erosion. The water forms surface runoffs on the earth surface carrying with it soil to the oceans. This water also curves the earth surface by eroding and curving rocks over time to form rivers. It is this water that also dissolved limestone rocks to form geographical features such as caves. Another example is how water from the oceans erodes beaches to form features such as cliffs.


4 0
3 years ago
Read 2 more answers
Which of these statements is supported by the results of Thomson’s experiment? Check all of the boxes that apply
Marina CMI [18]

Answer:

1) Cathode rays are made up of negatively charged particles. 2)atoms contain negatively charged particles.3)Thomson's results led to the proposal of new atomic model the plum pudding model.

Explanation:

3 0
2 years ago
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