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natita [175]
3 years ago
9

Which gas has a higher rate of effusion sulfur dioxide or oxygen? why?

Chemistry
1 answer:
musickatia [10]3 years ago
4 0
The sulfer dioxide would give off a higher effusion rate because of both the sulfer and the dioxide would give off a smell

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What is the value of Avogadro's constant?​
diamong [38]

Answer:

6.02214154 x 1023

Explanation:

6 0
3 years ago
Find the percent composition of water in barium chloride dihydrate. Round your answer to the
nadya68 [22]

Answer: its 15 its none of those

Explanation:

7 0
2 years ago
Nitrogen has two isotopes. One has an atomic mass of 14.003
Ilia_Sergeevich [38]

Answer:

d= 14.007 amu

Explanation:

Abundance of N¹⁴ = 99.63%

Abundance of N¹⁵ = 0.37%

Atomic mass of N¹⁴ = 14.003 amu

Atomic mass of N¹⁵ = 15.000 amu

Average atomic mass = ?

Solution:

Average atomic mass = (abundance of 1st isotope × its atomic mass) +(abundance of 2nd isotope × its atomic mass)  / 100

Average atomic mass = (14.003 × 99.63)+(15.000× 0.37) /100

Average atomic mass =  1395.12 + 5.55 / 100

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6 0
3 years ago
A block of lead displaces 50.5ml of water. The block weighs 698 g. From this
Natasha2012 [34]

Answer:

<h2>13.82 g/mL</h2>

Explanation:

The density of a substance can be found by using the formula

density =  \frac{mass}{volume}  \\

From the question we have

density =  \frac{698}{50.5}  \\  = 13.8217...

We have the final answer as

<h3>13.82 g/mL</h3>

Hope this helps you

4 0
3 years ago
What characteristic bright line spectrum of an elementforced when electrons?
emmasim [6.3K]

The characteristic bright-line spectrum of an element is produced when its electrons return to lower energy levels To be in the ground state all electrons must be in their lowest energy state; all excited atoms must lose energy. The lost energy appears in the form of light. Hope this helped :)
8 0
3 years ago
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