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zzz [600]
3 years ago
7

What element do most acids have in common

Chemistry
1 answer:
Dima020 [189]3 years ago
7 0

Answer:

hydrogen

Explanation:

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Which term refers to the process by which land is worn away by natural forces or human activity?
umka2103 [35]

Answer:

erosion

Explanation:

erosion is the term that refers to the process by which land is worn away by natural forces or human activity.

4 0
4 years ago
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How many grams of C2H6 are needed to react with 54 grams of O2?
Dmitrij [34]

Answer:

Explanation:

in a combustion of ethane 2 moles of ethane react with 7 moles of O2

now no of moles in 54 gram of O2=mass/ molar mass

moles =54/32=1.7 moles

if 7 moles of O2 required 2 moles of ethane then 1.7 mole required=?

7 moles of O2=2 moles of C2H6

1.7 moles of O2=1.7*2/7=0.5 moles of C2H6

0.5 moles of C2H6 contain how much grams=?

mass= moles*molar mass=0.5*30=15

4 0
3 years ago
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4 years ago
HELP ASAP WILL GIVE BRAINIEST IF CORRECT a a a²+ b2 = c² ? What is the main benefit of this model? O A. It helps make prediction
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3 0
2 years ago
Which compound(s) contain the most hydrogen atoms per molecule or formula unit? hydrogen selenide ammonium bromide strontium dih
igomit [66]

The answer is strontium dihydrogen phosphate

That is strontium dihydrogen phosphate, is the compound containing the most hydrogen atoms per molecule or formula unit.

The formulas of the following compounds are as follows:

Hydrogen selenide H₂Se

Ammonium bromide NH₃Br  

Strontium dihydrogen phosphate  Sr(H₂PO4)₂

Sodium bicarbonate  NaHCO₃

As it can be seen from the formula of strontium dihydrogen phosphate  Sr(H₂PO4)₂ , that it contains the most hydrogen atoms per molecule or formula unit.


3 0
3 years ago
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