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Answer:
Work done, W = 128 kJ
Explanation:
Given that,
Weight of a mountain climber, F = 800 N
It climbs to a cliff that is 160 m high.
We need to find the work done by the mountain climber. The work done by an object is given by the formula as follows :
W = Fd
Put the values of F and d.
W = 800 N × 160 m
W = 128000 J
or
W = 128 kJ
So, 128 kJ of work is done by the mountain climber.
Answer: The IUPAC name of propan-2-one and is pentan-2-one.
Explanation:
The basic rules for naming of organic compounds are :
1. First select the longest possible carbon chain. The longest possible carbon chain should include the carbons of double or triple bonds or functional group.For the number of carbon atom, we add prefix as 'meth' for 1, 'eth' for 2, 'prop' for 3, 'but' for 4, 'pent' for 5, 'hex' for 6, 'sept' for 7, 'oct' for 8, 'nona' for 9 and 'deca' for 10.
2. The naming of alkane is done by adding the suffix -ane, alkene by adding the suffix -ene, alkyne by adding the suffix -yne and ketones by adding the suffix -one.;
3. The numbering is done in such a way that the carbon containing the functional group gets the lowest number. While writing the name, the word root is given first , followed by the position of carbon containing the functional group followed by the suffix.
The IUPAC name of propan-2-one and is pentan-2-one.
6CO₂(g) + 6H₂O(l) → C₆H₁₂O₆(s) + O₂(g)
<u>Explanation:</u>
In our real life we can have the example of chemical reaction that is photosynthesis. In the photosynthesis of plants, plants making their food by means of using water in the liquid state, carbon-di-oxide in the gaseous state obtained from the sun to produce glucose and water, in which glucose is in the solid state and oxygen is in the gaseous state. The balanced equation can be given as,
6 CO₂(g) + 6 H₂O(l) → C₆H₁₂O₆(s) + O₂(g)