What is the complete ionic equation for
H2SO4(aq) + Cal2(aq) → CaSO4(s) + 2Hl(aq)?
A. H++ SO42- + Ca2+ + 21 → CaSO4 + H+ +1-
B. 2H+ + S042- + Ca2+ + 21° → Ca2+ + SO42- + 2H+ + 21
C. S042- + Ca2+ → CaSO4,
D. 2H+ + SO42- + Ca2+ + 2I- → CaSO4 + 2H+ + 2I-
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Ответ:
D
Explanation:
Give it a try please. If I am wrong your outrage will be justified.
Ответ:
SInce they were exposed to the same tempertaure we know that X has a lower specific heat than that of Y.
Explanation: