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- 1. Which of the following compounds can form hydrogen bonds with water?a. octaneb. HClc. NaCld. acetic acid2. Maria wants to determine the percent water content of an unknown hydrate of AB. Given the following data:mass of empty crucible - 12. 2784gmass of AB · xH20 + crucible - 17.4960gmass of AB + crucible - 15.1314gCalculate the % water content of the hydrate3. From the above data, give the correct formula for the hydrate. (AB₂ Molar mass = 129.84 g/mol)Aleks data for AgBrO3 is 5.38 x 10^-5Compund C12H22O11 find %C, %H, and %O
- Some of the physical properties of H2O and D2O are as follows: Property H2O D2O Density at 20C (g/ml) 0.997 1.108 Boiling point (C) 100.00 101.41 Melting point (C) 0.00 3.79 Hvap(kJ/mol) 40.7 41.61 Hfus (kJ/mol) 6.02 6.3 Account for the differences. (Note: D is a symbol often used for 2H, the deuterium isotope of hydrogen.)H2O2(l) deltaG=-120.4 H2O(l) deltaG=-237.1 O2 (g) deltaG=0Calculate the NCV of a coal sample having the followingcomposition: C=80%, H=5%, O=4%, S=3.5% and ash=5%.
- A lead compound would be most promising if it had: A.KM = 4.7 × 10^5 M. B.K(I) = 1.5 × 10^-8 M. C.K(I)= 4.7 × 10^-5 M. D.K(I)= 4.7 × 10^5 M. E.K(I) = 1.5 × 10^8 M.This is PV=nRt? But what is n then?AR * Castironis an iron carbon alloy has 0.76 wt.% C to 6.7 wt.% C iron carbon alloy has 2.14 wt.% C to 6.7 s iron carbon alloy has more than 2.14 wt.% C