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Viefleur [7K]
1 year ago
5

Which image best represents a solution of distilled water at pH = 7?

Chemistry
1 answer:
lara31 [8.8K]1 year ago
5 0

Answer:

nuetral

Explanation:

water has neutral

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Is my answer right?
Ahat [919]
Yes the answer is 1s22s22p63s23p64s23d5
7 0
3 years ago
The reaction of hydrogen and iodine to produce hydrogen iodide has a Kc of 54.3 at 703 K. Given the initial concentrations of H2
pentagon [3]

Answer:

[HI] = 0.7126 M

Explanation:

Step 1: Data given

Kc = 54.3

Temperature = 703 K

Initial concentration of H2 and I2 = 0.453 M

Step 2: the balanced equation

H2 + I2 ⇆ 2HI

Step 3: The initial concentration

[H2] = 0.453 M

[I2] = 0.453 M

[HI] = 0 M

Step 4: The concentration at equilibrium

[H2] = 0.453 - X

[I2] = 0.453 - X

[HI] = 2X

Step 5: Calculate Kc

Kc = [Hi]² / [H2][I2]

54.3 = 4x² / (0.453 - X(0.453-X)

X = 0.3563

[H2] = 0.453 - 0.3563 = 0.0967 M

[I2] = 0.453 - 0.3563 = 0.0967 M

[HI] = 2X = 2*0.3563 = 0.7126 M

3 0
3 years ago
Millikan measured the quantity of charge carried
Cloud [144]

Answer:

m = E × Q

And Q = I × t

m = E × I × t

Where m = mass in grams

Q = quantity of electricity in coulomb

I = current in ampere

t = time in seconds

E = electrochemical equivalent of the substance

Explanation:

6 0
3 years ago
What is science?
Andreyy89

Answer:

The answer is B

Explanation:

8 0
3 years ago
What is a substances heat capacity?
Phantasy [73]

Also called thermal capacity, is when the amount of heat required to raise the temp. of one mole or one gram of a substance by one degree Celsius without change of phase.


Hope this helps :)

6 0
3 years ago
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