2 years ago

Hardest question that nobody can answer about diffusion

Chemistry

1 answer:

valkas [14]2 years ago

7 0

Is the movement of a substance from an area of high concentration to an area of low concentration

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How many atoms of lead are in 3.25 moles of lead

musickatia [10]

Answer: 1.96x10^24 atoms

Explanation:

3.25*6.02214076*10^23 atoms = 1.96x10^24

6 0

2 years ago

In which solid sound travel faster than any others.ans me pls

Crank

Answer:

THE SOUND TRAVELS FASTER IN SOLIDS BECAUSE ITS MOLECULES ARE CLOSE TO EACH OTHER WHILE LIQUIDS MOLECULES ARE NOT TIGHT AS OF SOLID AND IN GAS THE MOLECULES ARE FREE

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2 years ago

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Calculate the density mass= 54.2 volume= 78.1

Helen [10]

Answer:

0.693 (you can round it up if you want to)

Explanation:

Density= mass ÷ volume

54.2 ÷ 78.1 = 0.693

I hope this helped☺

6 0

2 years ago

Naturally occurring boron has an atomic weight of 10.811. Its principal isotopes are 10B and 11B. Part A What is the abundance (

Darya [45]

Answer:

10B has 18.9%

11B has 81.1%

Explanation:Please see attachment for explanation

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3 years ago

Solid strontium chromate, SrCrO4, dissolves into its respective ions at 25°C. Suppose that in a particular solution,

user100 [1]

Answer:

I think it's d but I'm not positive

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2 years ago

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Hardest question that nobody can answer about diffusion​

Hardest question that nobody can answer about diffusion