A large activation energy is required to break the double bonds of unsaturated hydrocarbons.
<h3>What are Unsaturated hydrocarbons ?</h3>
Unsaturated hydrocarbons are defined as the hydrocarbons in which double or triple bonds are present between two adjacent carbon atoms. They are known as alkenes and alkynes respectively. The general formula for these hydrocarbons is CnH2n and CnH2n-2
- In unsaturated hydrocarbons, more number of bonds are formed, thus the bond strength of the bonds formed will be more because the orbitals come closer to each other.
- As, bond strength of unsaturated hydrocarbons are more. So, more energy will be required to break the bond between them.
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Answer:
0.8 g/cm^3
Explanation:
Density is the amount of substance present per volume.
Density = Mass / Volume = (25.0 g) / (30.0 cm) = 0.83333 g/cm^3
=> Density = 0.8 g/cm^3 (rounded up to one decimal place)
Carbon cannot reduce sodium because sodium is stronger than carbon. reactive metals like sodium and potassium and electrolysis has to be used.
The reaction of hydrogen gas (H2) with oxygen gas (O2) is a COMBINATION or SYNTHESIS reaction, because multiple substances combine to form fewer substances. Here, the two gases form one substance, water (H2O):
2H2 + O2 -- > 2H2O
It increases availability of food for humans
