When is a hurricane nears land, causes the most damage?

Ammonia chemically reacts with oxygen gas to produce nitric oxide and water . What mass of water is produced by the reaction of

Kay [80]

Full Question:

Ammonia chemically reacts with oxygen gas to produce nitric oxide and water. What mass of water is produced by the reaction of 7.7g of ammonia?

Be sure your answer has the correct number of significant digits.

Answer:

12.23g ≈ 12g (2 s.f)

Explanation:

Ammonia chemically reacts with oxygen gas to produce nitric oxide and water. The balanced chemical reaction is given as:

4 NH3 + 5 O2 -------> 4 NO + 6 H2O

From the reaction;

4 mole of ammonia reacts to produce 6 moles of water

From the question;

Moles = mass / molar mass

From the question;

moles of ammonia = mass / molar mass = 7.7 / 17 = 0.4529moles

Number of moles of water produced;

4 = 6

0.4529 = x

x = (0.4529 * 6 ) / 4

x = 0.67935moles

Mass of water = moles * molar mass = 0.67935 * 18 = 12.23g ≈ 12g (2 s.f)

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3 years ago

Compare and contrast the Andes Mountains and the Rocky Mountains. How are they formed? What consumers and producers are in each?

Naily [24]

Answer:

ummm i need help too lol

Explanation:

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2 years ago

When do d orbitals start getting filled

Ghella [55]

Answer & Explanation:

D orbitals begin filling with electrons after the orbital found in the 4s sublevel is filled. This occurs because the d sublevel is first found in the.

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3 years ago

Read 2 more answers

Lead is a toxic metal that affects the central nervous system. A Pb-contaminated water sample contains 0.0011% Pb by mass. How m

Shalnov [3]

Lead is a toxic metal that affects the central nervous system. A Pb-contaminated water sample contains 0.0011% Pb by mass. 13.6 × 10³ ml water contains 150 mg of Pb.

<h3>How to calculate the mass of solution ? </h3>

Given percentage of Pb present in the sample solution is 0.0011%

That means 0.0011 grams of Pb present in the 100g of solution.

So,

= $\frac{0.150\ \text{g Pb} \times 100\ \text{g water}}{0.0011\ \text{g of Pb}}$

= 13.6 × 10³ g water

<h3>What is Density ? </h3>

The mass per unit volume is called density. Density is represented as D or ρ.

It is expressed as:

$\rho = \frac{m}{V}$

where,

ρ = Density

m = mass of the object

V = Volume of object

Now put the value in above expression we get

$\rho = \frac{m}{V}$

$1\ g/ml = \frac{13.6 \times 10^3}{V}$

V = 13.6 × 10³ ml

Thus from the above conclusion we can say that Lead is a toxic metal that affects the central nervous system. A Pb-contaminated water sample contains 0.0011% Pb by mass. 13.6 × 10³ ml water contains 150 mg of Pb.

Learn more about the Density here: brainly.com/question/1354972

#SPJ4

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2 years ago

Critique you overhear someone say,I'm going to nuke it when referring to cooking food in a microwave oven. Explain why this term

Neporo4naja [7]

When the person said"nuke it" they are not referring to what they are going to nuke. That is why it is incorrect.

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3 years ago