The amount of maximum mass of ethyl alcohol that could we boil with 1000 J of heat, starting from 20°C is 7.08 grams.
<h3>How do we calculate the mass?</h3>
Mass of the ethyl alcohol will be calculated by using the below equation as:
Q = mcΔT, where
- Q = absorbed heat = 1000 J
- m = mass of ethyl alcohol = ?
- c = specific heat of ethyl alcohol = 2.42 J/g.°C
- ΔT = change in temperature = (78.37°C - 20°C) = 58.37°C
On putting all these values, we get
m = 1000 / (2.42)(58.37) = 7.079 = 7.08g
Hence required mass of ethyl alcohol is 7.08grams.
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Answer:
a. Synthesis reaction
b. Single - Displacement
c. Decomposition reaction
d. Combustion Reaction
Explanation:

Synthesis reaction: Reaction in which two or more substance combine to give a single compound.

Single - Displacement : Reaction in which the more reactive element displaces the less reactive element.Here Li replace OH from water.

Decomposition reaction: Reaction in which a single reactant decompose to give two or more products.

Combustion Reaction : IT is a redox reaction in which a substance is burned in the presence of oxygen to give carbon dioxide and water.
It is denotares as c or sometimes C, depending on how the substance is measured. The SI units for specific heat are J/(kg.K)