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Go Back   Freemason Hirams Travels Masonic Forums > Science & Mathematics > Chemistry

Chemistry Chemistry

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Old 03-03-2008, 04:53 PM
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emando16 has a spectacular aura about
i dont get chemistry.?

13. Given the following reaction:

2AgNO3 (aq) + CaCl2 (aq) equation 2AgCl (s) + Ca(NO3)2 (aq)

If a solution containing 20.0g of AgNO3 mixed with a solution of 10.0 g of CaCl2, which component is the limiting reactant?
AgNO3
CaCl2
AgCl
Ca(NO3)2


14. Which has the greatest solubility in water at 25°C?
ammonium nitrate
calcium sulfate
copper (II) sulfide
silver carbonate


15. In the reaction:

SO2 + 2 H2S equation 3 S + 2 H2O
sulfur is oxidized and hydrogen is reduced
sulfur is reduced and there is no oxidation
sulfur is reduced and hydrogen is oxidized
sulfur is both reduced and oxidized


16. How many grams of SO2 could be formed if a mixture of 128 g of sulfur and 100 g of oxygen are mixed and ignited?
100 g
114 g
200 g
228 g
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