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From personal experience, describe whether these processes are endothermic or exothermic. Give a reason for each.
a. A charcoal briquette burns.
b. Ice melts.
c. Water evaporates from your skin.
d. Wood burns.
Answer:
a. Exothermic. A charcoal briquette releases heat as it burns.
b. Endothermic. Water absorbs the heat essential for evaporation from your skin, and your skin feels cooler.
c. Endothermic. Ice absorbs the essential heat from the environment to melt.
d. Exothermic. Wood releases heat as it burns.
Free radical addition reactions: Those reactions that include the initial attack by a free radical are termed as free radical reactions. Inculcation of hydrogen bromide to alk
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The quantity of substance liberated, dissolved, or deposited at an electrode is directly proportional to the quantity of electricity passed by the electrolyte.
Middle oil of coal-tar distillation comprise naphthalene and phenolic elements. Phenolic compounds are isolated in subsequent steps. Step a: Middle oil is washed along with H 2
What is the Bond Order of Li(2)(minus) anion molecule? Ans) No. of bonding elecrtons =3 (valence), anti bonding =0 (given its state) thus =bond order =3/2=1.2
#question. what are paints
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i have a thermogram of magnesium oxalate and have to determine the mass lost in each step. And also calculate the number of water of hydration for each oxalate hydrate .
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