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Drupady [299]
2 years ago
6

6. Which of the following is a binary compound? a. CaCO3 b. CuSO4 c. H2O d. Pb(NO3)2

Chemistry
1 answer:
slamgirl [31]2 years ago
6 0

Answer:

<em>The answer to your question is </em><em>c. H2O</em>

Explanation:

<em>a. CaCO3 ----> Calcium Carbonate is obviously not a binary compound because it contains more than two elements. </em>

<em>b. CuSO4 ----> CuSO4 stands for copper(II) sulfate. Sulfate is the polyatomic ion SO4 -2.</em>

<em>c. H2O ----> Binary molecular compounds are composed of only two elements. Examples are H2O, NO, SF6 etc. </em>

<em>d. Pb(NO3)2 ----> Lead(II) nitrate is an inorganic compound with the chemical formula Pb(NO3)2.</em>

<em>I hope this helps and have a great day!</em>

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3 years ago
10. If 3.5 kJ of energy are added to a 28.2 g sample of iron at 20°C, what
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Answer:

569K

Explanation:

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Q = mc∆∅

3500 = 28.2×0.449×∆∅

3500 = 12.6618×∆∅

∆∅ = 3500/12.6618

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