In a calorimeter, a 20 mol sample of magnesium is burned to form MgO. In doing so, 255 kJ of energy are released. What i

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In A Calorimeter A 20 Mol Sample Of Magnesium Is Burned To Form Mgo In Doing So 255 Kj Of Energy Are Released What I 1 (24.17 KiB) Viewed 13 times

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In a calorimeter, a 20 mol sample of magnesium is burned to form MgO. In doing so, 255 kJ of energy are released. What is the molar enthalpy of combustion in kJ/mol of magnesium? 12.75 1.54 x 1025 0.0392 620 25.5 Which statement about this diagram is true? rata produch The system is endothermic The system absorbs heat from the surroundings AH is negative The heat content of the reactants is less than the heat content of the products

For which one of the following substances is the standard enthalpy of formation AH", equal to zero? Water uter (H20ml Sulfur triowide (SO ) Nitrogen monoxide (NO) O Carbon dioxide (CO2 (0) Bromine (Br2 Which functional group is always on carbon #1 amines ketone carboxylic acid alcohol The IUPAC name for the following compound it CH CH, CH CH.CH -- CHCH.CH,CCH, 2-methyl-3-ethyl-6,6 dichloro-heptane 2.2 dichloro-5-ethyl-6-methylheptane 6,6-dichloro-3-ethyl-2-methyl-heptane 2-chloro-5-ethyl-6-methyl-heptane 6-chloro-3-ethyl-2-methylheptane

The IUPAC name for the following compound is: CH3-CH o CH-CH3 diethyl carbonate ethyl ethanoate ethyl acetate n-propyl ethanoate ethyl propanoate What type of molecules an-OH group bonded to action that he attached to two other carbons! tertiary amine secondary cohol secondary amine tertiary alcohol The IUPAC name for the following compound is OH CH3 CH, CH, CH, CH.CH 3.methyl hexanoic acid 4-methylpentano acid 2-methylpentanoic acid 4 methylhexanolc acid 3-methylhexanol