Answer:
"The sun's energy comes from within the sun itself. The sun generates energy from a process called nuclear fusion"
Explanation:
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The answer is (4) zinc. Zinc can react with HCl at room temperature spontaneously and create H2. You can know this property from the metal activity order.
Answer:
3. Oxidation-Reduction Reaction
Explanation:
Fe(s) + Cl2(aq) = Fe2+(aq) + Cl-(aq)
Fe(s) -2e- ----> Fe2+(aq) oxidation
Cl2(aq) + 2e- -----> 2Cl-(aq) reduction
Answer: The molarity of the base solution is 0.22 M.
Explanation:
According to the neutralization law,
where,
= molarity of 
solution = 0.1994 M
= volume of solution = 38.87 ml
= molarity of 
solution = ?
= volume of solution = Final reading - Initial reading = 36.18 - 1.16 = 35.02 ml
= valency of = 1
= valency of = 1
Therefore, the molarity of the base solution is 0.22 M.
Neutralization reactions can be used in a laboratory setting in order t<span>o dispose of chemicals. When spills happens, for instance an acid is on the floor, you can use a base to neutralize the spill. Hope this answers the question. Have a nice day.</span>
