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Mrac [35]
3 years ago
12

The pOH a solution of 0.04 M HCl is:________

Chemistry
2 answers:
xxTIMURxx [149]3 years ago
8 0
PH of 0.04 M HCl is

pH = -log 0.04 =1.4
pOH = 14-pH = 12.6

hence the answer is C 12.6
fredd [130]3 years ago
6 0
The answer is a. 1.4

Hope it helps.
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I still see your shadows why cant I get over you. You were my first love and my last love. All this love is lost because I cant
Arlecino [84]

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6 0
3 years ago
The weakest attractive force among these is:
algol13

The weakest  attractive  force is   london - dispersion forces

Explanation

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  • London  dispersion  forces is  the weakest  intermolecular forces.

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4 0
3 years ago
A gas has a volume of 4 L at a temperature of -33°C. if the temperature is increased to 27°C in the pressure remains constant wh
vitfil [10]

Answer:

5L

Explanation:

Please see the step-by-step solution in the picture attached below.

Hope this answer can help you. Have a nice day!

4 0
3 years ago
Air enters a diffuser witha velocity of 400 m/s, a pressure of 1 bar and temperature of 25 C. It exits with a temperature of 100
ANEK [815]

Answer:

Exit velocity of air is 96.43 m/s.

Explanation:

Given that

V_1=400\ m/s

T_1=25C

T_2=100C

For air

C_p=1.005\ KJ/kg.K

Now from first law of thermodynamics for open system at steady state

h_1+\dfrac{V_1^2}{2000}+Q=h_2+\dfrac{V_2^2}{2000}+w

For diffuser

h_1+\dfrac{V_1^2}{2000}=h_2+\dfrac{V_2^2}{2000}

We know that

h=C_pT

h_1+\dfrac{V_1^2}{2}=h_2+\dfrac{V_2^2}{2000}

1.005\times 25+\dfrac{400^2}{2000}=1.005\times 100+\dfrac{V_2^2}{2}

V_2=96.43\ m/s

So the exit velocity of air is 96.43 m/s.

8 0
4 years ago
5. Which pair of elements would combine to forin an ionic compound?
Natasha_Volkova [10]
C.silicon and oxygen is the answer
5 0
3 years ago
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