Determine which choice(s) is/are correct?
i. stirring slows down (decreases) rate of di...
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Chemistry, 03.02.2020 14:04 nikitakhrabkov123
Determine which choice(s) is/are correct?
i. stirring slows down (decreases) rate of dissolution.
ii. grinding solids increases their surface area of contact.
iii. heating slows down (decreases) rate of dissolution.
iv. grinding solids speeds up their rate of dissolution.
a) i, ii, and iii
b) ii and iv
c) i and iii
d) iii and iv
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Answers: 3
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An alkaline battery produces electrical energy according to the following equation. zn(s) + 2 mno2(s) + h2o(l) zn(oh)2(s) + mn2o3(s) (a) determine the limiting reactant if 17.5 g zn and 31.0 g mno2 are used. (type your answer using the format ch4 for ch4.) (b) determine the mass of zn(oh)2 produced. _ g
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