A) an element
B) an element
C) a compound
D) a mixture
E) a compound
F) a compound
G) a compound
Answer:
C
Explanation:
The battery is chemical energy. When it is used in the flashlight, it produces light and thermal energy
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Yo sup??
Heat produced per gram of reactant=13.1 KJ
.=13100 J
Actual heart produced=1850 J
By applying unitary method we get the weight of reactant to be x
x=1850/13100
=0.141 gm
Hope this helps
Answer:
Hexanoic acid is water insoluble and sodium hexanoate is water soluble
Explanation:
Hexanoic acid is water insoluble because of presence of long 6 membered non polar and hydrophobic hydrocarbon chain.
When hexanoic acid is treated with NaOH, it is converted to an ionic salt sodium hexanoate which is highly soluble in water because of it's ionic nature.
So, the reaction is given as:
Hexanoic acid + NaOH Sodium hexanoate + water
Reaction in terms of molecular structure has been shown below.
The answer is nucleation because can turn liquids into solids.