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3 years ago

How much nitrous oxide is in the atmosphere

Chemistry

2 answers:

lidiya [134]3 years ago

4 0

<h2>Not enough to feel anything <em><u>dawg</u></em></h2>

seropon [69]3 years ago

3 0

Answer is: 0.330 ppm
Hope this helps

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Find surface phenomena from the following order: spherical form of drops, crystal growth, absorption, osmosis, colligative prope

Volgvan

Answer:

spherical form of drops, crystal growth, absorption, osmosis, colligative properties, diffusion, adsorption, hemosorption.

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3 years ago

4. Magnesium and oxygen undergo a chemical reaction to

erastovalidia [21]

Answer:

About 16.1 grams of oxygen gas.

Explanation:

The reaction between magnesium and oxygen can be described by the equation:
$\displaystyle 2\text{Mg} + \text{O$_2$} \longrightarrow 2\text{MgO}$

24.4 grams of Mg reacted with O₂ to produce 40.5 grams of MgO. We want to determine the mass of O₂ in the chemical change.

Compute using stoichiometry. From the equation, we know that two moles of MgO is produced from every one mole of O₂. Therefore, we can:

Convert grams of MgO to moles of MgO.
Moles of MgO to moles of O₂
And moles of O₂ to grams of O₂.

The molecular weights of MgO and O₂ are 40.31 g/mol and 32.00 g/mol, respectively.

Dimensional analysis:

$\displaystyle 40.5\text{ g MgO} \cdot \frac{1\text{ mol MgO}}{40.31\text{ g MgO}} \cdot \frac{1\text{ mol O$_2$}}{2\text{ mol MgO}} \cdot \frac{32.00\text{ g O$_2$}}{1\text{ mol O$_2$}} = 16.1\text{ g O$_2$}$

In conclusion, about 16.1 grams of oxygen gas was reacted.

You will obtain the same result if you compute with the 24.4 grams of Mg instead:

$\displaystyle 24.4\text{ g Mg}\cdot \frac{1\text{ mol Mg}}{24.31\text{ g Mg}} \cdot \frac{1\text{ mol O$_2$}}{1\text{ mol Mg}} \cdot \frac{32.00\text{ g O$_2$}}{1\text{ mol O$_2$}} = 16.1\text{ g O$_2$}$

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2 years ago

Should disel and gasoline engines complaint with CO2 emissions standards be banned?? Can this statement be answered by science?

Arte-miy333 [17]

yes it can be banned because it is toxic

8 0

3 years ago

Read 2 more answers

Occurs when a melt is produced when the minerals with the lowest melting temperature melt, while the other minerals remain solid

FrozenT [24]

The answer is Partial melting.

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3 years ago

How many grams of water at 25 C must be mixed in an insulated container with 250 grams of water at 93 C if the final temperature

nydimaria [60]

Answer:

Explanation

Comment

Normally you would just use m*c*delta T. But the c is the same in both cases, so you need just use m*deltaT

Givens

25 degrees

m = ?

T = 25

t = final temp = 75

93 degrees

m = 250

T = 93

t = final temp = 75

Solution

(t - 25)*m = (93 - t) * 250 Remove the brackets

75*m - 25m = 93*250 - 250*75 Combine the right

m(75 - 25) = 23250 - 250*75

50 m = 23250 - 18750 Combine

50 m = 4500 Divide both sides by 50

50*m/50 = 4500/50

m = 90

Answer: 90 grams are needed.

7 0

2 years ago

How much nitrous oxide is in the atmosphere ​

How much nitrous oxide is in the atmosphere