3 years ago

What volume of hydrogen is necessary to react with 6.25g of nitrogen to produce ammonia?

Chemistry

2 answers:

Dovator [93]3 years ago

7 0

A.30L First one the answer

Sidana [21]3 years ago

3 0

A) 30L is correct I did this 4 years ago

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How many atoms are in 15.0 moles of C2H6O

Burka [1]

1 mole = 6.22 x 10^23 molecules (Avogadro's number)
15 moles x (6.22 x 10^23) = 9.33 x 10^24 atoms

3 0

4 years ago

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Upper n subscript 2 (g) plus 3 upper H subscript 2 (g) double-headed arrow 2 upper N upper H subscript 3 (g). At equilibrium, th

artcher [175]

Answer:

The <u>equilibrium constant</u> is:

$k_c=0.0030M^{-2}$

Explanation:

The correct equation is:

N₂(g) + 3H₂(g) ⇄ 2NH₃(g)

Thus, with the equilibrium concentrations you can calculate the equilibrium constant, Kc.

The equation for the equilibrium constant is:

$k_c=\dfrac{[NH_3]^2}{[N_2]\cdot [H_2]^3}$

Substituting:

$k_c=\dfrac{(0.105M)^2}{(1.1M)\cdot (1.50M)^3}$

$k_c=0.0030M^{-2}$

6 0

4 years ago

How many oxygen atoms are in 3.70 g of quartz?

Ad libitum [116K]

Answer:

The formula of Quartz is SiO2. So, 1 mole of Quartz will have 2 moles of oxygen atoms, i.e. 2 x 6.022 x 10^23 atoms of oxygen. The molar mass of quartz is 60 g per mol. So, 60 g quartz means 1 mole quartz.

Explanation:

3 0

3 years ago

What is displacement reaction

jenyasd209 [6]

A displacement reaction (also known as a replacement reaction) is when one element is replaced by another compound. Ex) Fe+CuSO4=FeSO+Cu

3 0

3 years ago

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If a solid has a density of 4g/cm^3 what volume of the solid has a mass of 24g? show work

ki77a [65]

Answer:

0.167cm^3

Explanation:

density=mass/volume

6 0

4 years ago