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ozzi
3 years ago
12

What is the volume (in liters) of a 5.98 gram sample of O2 at STP?

Chemistry
1 answer:
borishaifa [10]3 years ago
4 0

Answer:

4.186 L

Explanation:

Using the pv=nrt equation and converting the grams of O2 into mols. After finding the number of mols by dividing 5.98 by 32 (2*the atomic weight of O) you plug that into the equation. So then you have 1*V=.186875*.08206*273 then you rearrange the equation to solve for v and get 4.186 L

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if, on average a person drinks eight glasses of water each day, and each glass contains 300 mL. a. how many liters of water will
yulyashka [42]

A.)

300 ml * 8 = 2.4 gallons a day.

now time to see how much a year..

2.4 * 365 = 876 liters


B.)

one liter = 2.2 pounds

876 x 2.2 = 1927.2 pounds


Answers:

<u>A.) 2.4 * 365 = 876 liters</u>

<u>B.) 876 x 2.2 = 1927.2 pounds</u>

5 0
3 years ago
Can someone help me please I would really appreciated
harina [27]

Explanation:

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3 0
3 years ago
What is the measurement 1043. L rounded off to two significant figures?
Sloan [31]

Answer:

1000L

Explanation:

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3 years ago
Which of the following has a polar covalent bond? b. Which of the following has a bond closest to the ionic end of the bond spec
Marizza181 [45]

Explanation:

<u>Polar covalent bonding is the type of the chemical bond in which the pair of the electrons is unequally shared between the two atoms.</u> As a result, the atom with higher value of electronegativity acquires a slightly negative charge and the atom with lower value of electronegativity acquires a slightly positive charge.

In the molecule of CH_3NH_2, the bond which is closest to ionic end of bond spectrum is <u>N-H bond</u> because the nitrogen atom is more electronegative than hydrogen and is ionic in nature.

In the molecule of CH_3CH_3, the bond which is closest to ionic end of bond spectrum is <u>no one</u> because there is not much difference between carbon and hydrogen for the bond to be said as ionic.

In the molecule of CH_3OH, the bond which is closest to ionic end of bond spectrum is <u>O-H bond</u> because the oxygen atom is more electronegative than hydrogen and is ionic in nature.

5 0
3 years ago
Read 2 more answers
You are a researcher for a golf club manufacturer. You are given two identical looking cubes of a metal alloy. You are informed
Rashid [163]

Answer:

C.Melt both cubes and look for a broader range of melting temperatures. The one that melts over a broader range of temperatures is the amorphous solid.

Explanation:

Amorphous solids is one that do not have a fixed melting points but melt over a wide range of temperature due to the irregular shape hence its name. Contrariwise crystalline solids, have a fixed and sharp melting point.

This comes in handy to solve the riddle. We can characterise the pair with the melting point property.

7 0
4 years ago
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