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aalyn [17]
3 years ago
8

Give an example of gravitational potential

Chemistry
2 answers:
larisa86 [58]3 years ago
4 0

A raised weight.

Water that is behind a dam.

Have a nice day!

dybincka [34]3 years ago
4 0

Answer:

When something has a high position, its gravitational potential energy is high. For example, a book on a high bookshelf has higher potential energy than a book on the bottom shelf because it has farther to fall. ... A book on a table before it falls. A child at the top of a slide.

Explanation:

U=m g h

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What is the total mass of 2.0 moles of diatomic hydrogen?
sladkih [1.3K]

diatomic hydrogen is written as H2                                                                                (2.02 grams H2) <------- if each hydrogen atom is 1.01 grams, then two hydrogen atoms are 2.02 grams                                                                                                                  2.0 moles H2 X 2.02 grams H2                                                                                             ------------- (divide to cancel moles)   = 4.04 grams/mole H2 ÷ one mole = 4.04 grams H2

                                                          

7 0
3 years ago
Read 2 more answers
A solution is made by mixing 37.g of thiophene C4H4S and 72.g of heptane C7H16. Calculate the mole fraction of thiophene in this
guajiro [1.7K]

Answer:

0.38

Explanation:

Molar mass of thiophene= 84g/mol

Mass of thiophene = 37g

Number of moles= 37/84= 0.44 moles

Molar mass of heptane= 100 g/mol

Mass of heptane = 72g

Number of moles = 72/100= 0.72 moles

Total number of moles= 0.44 + 0.72= 1.16 moles

mole fraction of thiophene = 0.44/1.16= 0.38

4 0
3 years ago
Explain why the Chemicals properties of Mg 24 12 and Mg 26 12 are the same
Volgvan

Answer:

both Mg isotopes have same atomic number which is equal to number of protons , and the chemical properties of an element depends upon the the number of protons in its atom . and both Mg 24 12 and Mg 26 12 have same number of protons hence they exhibits similar chemical

okay

Explanation:

i hope it helped you .

5 0
3 years ago
What is the number of electrons shared between the carbon atoms in a molecule of ethane
DENIUS [597]
One electron is shared between ethane, H3-C-C-H3
5 0
3 years ago
Which type of molecule is propanol? <br> A. Alcohol <br> B. Aldehyde <br>C. Ketone <br>D. Amine ​
snow_lady [41]

Answer:

B.

Explanation:

Propanal is an organic compound with the formula CH3CH2CHO. Aldehyde is colorless, flammable and a slightly fruity odor.

8 0
2 years ago
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