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ladessa [460]
3 years ago
9

Which element has a higher first ionization energy than carbon

Chemistry
1 answer:
const2013 [10]3 years ago
5 0

Answer:

Nitrogen

Explanation:

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How many moles of nitrogen are present at STP if the volume is 846L
Artyom0805 [142]
A mole of any gas occupied 22.4 L at STP. So, the number of moles of nitrogen gas at STP in 846 L would be 846/22.4 = 37.8 moles of nitrogen gas.

Alternatively, you can go the long route and use the ideal gas law to solve for the number of moles of nitrogen given STP conditions (273 K and 1.00 atm). From PV = nRT, we can get n = PV/RT. Plugging in our values, and using 0.08206 L•atm/K•mol as our gas constant, R, we get n = (1.00)(846)/(0.08206)(273) = 37.8 moles, which confirms our answer.
3 0
3 years ago
Nitrous oxide (N2O) is used as an anesthetic (laughing gas) and in aerosol cans to produce whipped cream. It is also a potent gr
scZoUnD [109]

Answer:

five half lives

Explanation:

Half-life is the time required for a quantity to reduce to half of its initial value.

How many half lives it would take to reach 3.13% form 100% of it's initial concentration:

100% - 50% : First Half life

50% - 25%: Second Half life

25% - 12.5%: Third Half life

12.5% - 6.25%: Fourth Half life

6.25% - 3.125%: Fifth Half life

This means it would take five half lives to get to 3.125% (≈ 3.13%) of it's original concentration.

3 0
3 years ago
May someone help me with these questions it is only 2
garri49 [273]
Most likely decreased birth rate and increased emigration.
6 0
3 years ago
A car travels 200 miles in 4 hours calculate the cars speed
Vaselesa [24]

Answer:

50 mph

Explanation:

To figure out how many miles per hour this car is going, we divide the distance traveled by the time it took.

200 ÷ 4 = 50

7 0
2 years ago
Identify the compound in the following group that is most soluble in water. Match the words in the left column to the appropriat
gogolik [260]

Answer:

Following are the responses to the given points:

Explanation:

For question 1:

Butanoic acid, butane, and butanone are also the three chemicals most dissolve in water. Its intermolecular force forces are produced by carboxylic acid functional groups with water.

For question 2:

Butanoic acid is a rancid buffer.

Methanoic acid is responsible for the stinging red ants

For question 3:

Methyl butanoate's chemical structure.

8 0
3 years ago
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