mass of sugar and dirt 20.200 +/- 0.001g mass of glass and paper 21.206 +/- 0.001g mass of glass paper and dirt 25.201 +/- 0.001g   what is the percent of dirt and the percent of sugar in original mixture

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Q: marshmellow 13.60g 114.87a 7.3c mmarshmel marshmellc 15.005a 112.20g 0.3c Kind of Food 13.831g…

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Q: C2H4 (g) + H2O (l) → C2H5OH (l) ΔH=? 1.C2H5OH (l) + 3O2 (g) → 2CO2 (g) + 3H2O (l) ΔH = -1367,5 KJ…

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Q: CS2 and 10.0 g Cl2 reacts by the followi CS2(g) + 3Cl2 (g) AH = -230. kJ

A: Given, Mass of Cl2 = 10 g Mass of CS2 = 10 g Molar mass of CS2 = 76 g/mol Molar mass of Cl2 = 71 g…

Q: Convert 17.3 JJ to Calories 132 kJkJ to Calories 56.2 CalCal to joules.

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Q: 1. Consider the combustion of liquid C₅H₈ in oxygen gas to produce carbon dioxide gas and water…

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Q: Given the data in the table below, DH° rxn for kJ. the following reaction is 4NH3 (g) + 502 (g) →…

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Q: 2. ACIS(B) → ACI3(g) + Clz(g) AH = ? Given: A4(s) + 6CI2(g) → 4AC]3(g) AH = -2439 kJ 4ACI5(g) →…

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Q: Consider the following reaction A(s) → B(s)+ C(g) AH= 80. 89 kJ/mol (a) What is AH for the reverse…

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Q: A student dissolves 11.0 g of ammonium nitrate (NH,NO,) in 200. g of water in a well-insulated open…

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Q: a food contains 131kcal, 24 grams of carbohydrates. What percentage of kcals are from carbohydrates

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Q: Two aqueous solutions, Solution A and Solution B, are mixed together in a beaker, and the following…

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Q: Given: 4 NH3 (g) + 3 O2 (g) → 2 N2 (g) + 6 H2O (l) ΔH = -1500 kJ How many grams of ammonia (MM =…

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Q: Part B: Heat of Solution Name A) For NaOH Volume of H2O used Note: density of water, dH20 = 0.997…

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Q: 2NOCI(g) 2NO(g) + Cl2(g) Substance AG ° (kJ/mol) NOCI(g) 66.3 NO(g) 86.71 Cl2(g) 0.00 Select one: O…

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Q: a) Mass of calorimeter 5. 0 g b) Mass of calorimeter plus 34.1 g water c) Mass of ammonium chloride…

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Q: Use the information provided to determine ΔH°rxn for the following reaction:   ΔH°f (kJ/mol)…

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Q: Convert 475 cal to joules STARTING AMOUNT ADD FACTOR ANSWER RESET *( ) 4.184 1.99 x 106 kJ 0.001 J…

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Q: m cold Mass of cold water (g) = 50 g Tic Initial temperature of

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Q: 25lb bag of calcium chloride ice melt weighs 11.34kg . How many moles are in CaCl2?

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Q: Calorimetry Chart Mass of Food 20.7 g 3.2 g Mass of Food residue (after burning) Volume of water…

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Q: 2 Fe(s) + 3 Cl2(g) => 2 FeCl3(s)         from Fe(s) + Cl2(g) => FeCl2(s);                ΔHo  =…

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Q: 0.4994 g sample of a hydrate of CuS04 xH20, is heated to a constant weight of 0.3184 g(total loss of…

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Q: Which of the following statements is NOT true about an exothermic reaction. O A. Exothermic…

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Q: pecine heat capacity (J/g °C) lead 0.128 silver 0.235 copper 0.385 iron 0.449 aluminum 0.903 water…

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Q: 2. ACIS(g) → ACI3(g) + Cl2(g) AH = ? Given: A4(s) + 6CI2(g) → 4ACI3(g) AH = -2439 kJ 4ACI5(g) →…

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Q: A geochemist in the field takes a small sample of the crystals of mineral compound X from a rock…

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Q: Br ОН OH 14. (II) Conversion of I to II : (a) takes place by S, (c) takes place both by S and S, (b)…

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Q: A student dissolves 14.6 g of lithium chloride (LiCI)in 250. g of water in a well-insulated open…

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Q: 2. How many grams of N2 are needed to make -550.0 kJ? N2g) + 3H2g) 2NH3(g) AH = -92.6 kJ %3D

A: