3 years ago

balanced equation for: Nitric oxide gas reacts with hydrogen gas to form ammonia gas and water vapor.

Chemistry

1 answer:

Vsevolod [243]3 years ago

5 0

2NO(g) + 5H2(g) ====> 2NH3(g) + 2H2O(g)

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Describe how replacing one light on a holiday string of bulbs with a "blinking" light would cause all the lights in the string t

stiks02 [169]

Answer: Chemical Reaction

Explanation:

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3 years ago

A sample of CaCO3(s) is introduced into a sealed container of volume 0.638 L and heated to 1000 K until equilibrium is reached.

JulsSmile [24]

Answer:

the mass of CaO present at equilibrium is, 0.01652g

Explanation:

$K_p = [CO_2]$ = 3.8×10⁻²

Now we have to calculate the moles of CO₂

Using ideal gas equation,

PV =nRT

P = pressure of gas = 3.8×10⁻²

T = temperature of gas = 1000 K

V = volume of gas = 0.638 L

n = number of moles of gas = ?

R = gas constant = 0.0821 L.atm/mole.k

$\frac{3.8 * 10^2 * 0.638}{0.0821 * 1000} \\= 2.95 * 10^-^4$

Now we have to calculate the mass of CaO

mass = 2.95 * 10 ⁻⁴ × 56

= 0.01652g

Therefore,

the mass of CaO present at equilibrium is, 0.01652g

7 0

3 years ago

Which is an example of diffraction?

jeyben [28]

I would say d but I’m not sure

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3 years ago

What is the percent yield if the actual yield is 25 g and 100 g should have formed?

atroni [7]

It is 25%. 25g ÷ 100g × 100% = 25%

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3 years ago

6. If 0.500 mol NaN3 react, what mass in grams of nitrogen will result?

lions [1.4K]

Answer:

21 g of N₂ are produced by the decomposition

Explanation:

The reaction is: 2 NaN3 → 2 Na + 3 N2

2 moles of sodium nitride decompose in order to produce 2 moles of Na and 3 moles of nitrogen gas.

According to stoichiometry, ratio is 2:3. Therefore we say,

2 moles of nitride can produce 3 moles of N₂

Then, 0.5 moles of NaN₃ will produce (0.5 . 3) / 2 = 0.75 moles of N₂

We convert the moles to mass, to find the answer

0.75 mol . 28 g / 1 mol = 21 g

7 0

3 years ago