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3 years ago

Where does the greenhouse effect occur?

Chemistry

1 answer:

attashe74 [19]3 years ago

7 0

Answer:

the greenhouse effect occurs in the earths atmosphere

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What is an inference?

sp2606 [1]

Answer:

A conclusion derived from evidence and logical reasoning

Explanation:

5 0

3 years ago

Read 2 more answers

The vapor pressure of liquid acetone, CH3COCH3, is 100 mm Hg at 281 K. A 6.06E-2 g sample of liquid CH3COCH3 is placed in a clos

Lynna [10]

Explanation:

According to ideal gas equation, product of pressure and volume equals the product of number of moles, gas constant and temperature.

Mathematically, PV = nRT

where P = pressure, V = volume

n = no. of moles, R = gas constant = 0.0821 atm L/mol

T = temperature

Since, it is known that number of moles equal mass divided by molar mass.

Hence, number of moles of given sample of acetone are as follows.

No. of moles = $\frac{mass}{\text{molar mass of acetone}}$

= $\frac{6.06 \times 10^{-2}}{58 g/mol}$

= $0.104 \times 10^{-2}$ mole

Therefore, putting the values in ideal gas equation as follows.

PV = nRT

$P \times 0.36 L = 0.104 \times 10^{-2} \times 0.082 atm L/mol \times 281 K$

= 0.359 atm

In 1 atm equal to 760 mm Hg. So, convert 0.359 atm into mm Hg as follows.

$0.359 atm \times \frac{760 mm Hg}{1 atm}$

= 272.84 mm Hg

Hence, pressure of the ideal gas will be 100 mm Hg + 272.84 mm Hg = 372.84 mm Hg

Thus, we can conclude that the ideal gas pressure in the container if all of the liquid acetone evaporated is 372.84 mm Hg.

6 0

4 years ago

What is the mass (in grams) of 6.78 moles of dinitrogen pentoxide

WINSTONCH [101]

<h2>Hello!</h2>

The answer is:

There are 732.24 grams of Dinitrogen Pentoxide $N_{2}O_{5}$ in 6.78 moles of the same compound.

The dinitrogen pentoxide, or nitrogen pentoxide, is a rare salt that consists of anion and cations, and it's an important compound when preparing some kinds of explosives.

So, to answer the question, first, need to look for the molecular formula of the dinitrogen pentoxide, then, use it to calculate the mass in gram of 6.78 moles of the same compound.

The dinitrogen pentoxide formula is:

$N_{2}O_{5}$

Where, the molar mass of each element are:

$N=\frac{14g}{mol}$

$O=\frac{16g}{mol}$

Calculating the molar mass of the compound, we have:

$N_{2}O_{5}=2*(\frac{14g}{mol})+5*(\frac{16g}{mol})$

$N_{2}O_{5}=(\frac{28g}{mol})+(\frac{80g}{mol})=(\frac{108g}{mol}$

Now, calculating what is the mass of 6.78 of $N_{2}O_{5}$ , we have:

$mass=moles*MolarMass=6.78mol(N_{2}O_{5})*\frac{108g}{mol}=732.24g(N_{2}O_{5})$

So, there are 732.24 grams of Dinitrogen Pentoxide $N_{2}O_{5}$ in 6.78 moles of the same compound.

Have a nice day!

3 0

4 years ago

A nitrogen atom has five valence electrons. The Lewis structure shows how a nitrogen atom bonds with three hydrogen atoms to for

nordsb [41]

It has too be 6 or 4

3 0

3 years ago

Is soap (potassium soap/sodium soap) a salt? Explain on the basis of chemical structure.

Kazeer [188]

Answer:

Yes a soap is a salt

Explanation:

The process of soap production is called saponification. Saponification is the hydrolysis of fats and oils with a caustic alkali such as NaOH or KOH to yield the corresponding sodium or potassium salt of the fatty acid and propane 1,2,3-triol.

Recall that organic salts are compounds of the sort RCOO^-M^+ (such as RCOO^-Na^+). A soap is of the same RCOO^-Na^+ (or K^+) structure indicating that it is a salt where R is the alkyl chain of the fatty acid.

5 0

3 years ago