Q: How many grams of your sample should you use to obtain a 1H NMR spectrum? (i.e. How many grams of…
A: One gram is equal to 1000 mg
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Q: Question 1 If 110.92 mL of 63.64 mM MgCl₂ is mixed together with 172.25 mL of 231.17 mM AgNO3,…
A: For question 1, we have to find the mass of the solid that will be formed when 110.92 mL of 63.64 mM…
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A: Given the total CO2 produced by the hypothetical mine = 199967.8036 ton
Q: When 1.92 g of iron reacts with 1.80 g of chlorine gas to make iron(II) chloride, 8.60 kJ of heat is…
A: Given, Mass of iron = 1.92 g Mass of chlorine = 1.80 g heat produced = 8.60 kJ
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Q: The 1H NMR spectrum shown represents which compound? 5 1 Н | H-C н H 4 a) 2 Н | - С - ОН Н 3 PPM нн…
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Q: Problem 4.3 Problem 4.4 Problem 4.5 Draw the five constitutional isomers having molecular formula…
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Q: Problem 2.14 Without reference to a pK, table, decide which compound in each pair is the stronger…
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Q: 3. Calculate AH° for the combustion reaction of butene: C.HB(g) + 60₂(g) → 4CO₂(g) + 4H₂O(1), AH° =…
A: The desired equation for which ∆Ho needs to be found is: C4H8(g) + 6O2(g) → 4CO2(g) + 4H2O(l) ; ∆Ho…
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Q: An unknown compound contains only carbon, hydrogen, and oxygen. Combustion of a 16.45 mg sample…
A: mass of sample = 16.45 mg = 0.01645 g mass of CO2 = 38.93 mg = 0.03893 g mass of H2O= 15.93 mg =…
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A: Recall the given data, Molarity of NaCl=0.0112 M temperature T=0°C=273 K Van't Hoff factor i=1.94…
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Q: Q10(a) Write balanced half equations for the oxidation and reduction reactions, including electrons…
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Q: A sample of N2 gas was placed in a flexible 9.0L container was compressed to a volume of 3.0L and…
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Q: prepared by mixing 25.0 g HC2H3O2 and 25.0 g NaC2H3O2 in 800.0 mL solution (Ka HC2H3O2 = 1.8 x 10-5)
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Q: metallic element, M, has a face-centered cubic lattice structure as a solid. If M has an atomic…
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Q: Which structure is NOT an intermediate in the following reaction? 'Н I H OH₂ OH Catalytic H+…
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- What is the concentration of the HC6H5O72-ion in the 3.0 M solution of citric acid? H3 C6H5O7 Ka₁ = 8.4 x 10-4 Ka₂ = 1.8 x 10-5 Ka3 = 4.0 x 10-6 Каз 4 pH = 1.30 [?] [HC6H50²-] = [?] × 10 MC7H6O3 + C4H6O3 <-> C9H8O4 + C2H4O2 1.0g of salicylic acid reacts completely with an recess if acetic anhydride. Whats the theoretical yield of aspirin in G?Think about it: Since hard-shelled organisms evolved about 550 million years ago, billions of tons oflimestone rock have been produced from their shells. Limestone is made of calcium carbonate, with theformula CaCO3
- Wifich of the following, when mixed with water, should be disposed of in a basic aqueous waste container? O CH3CH2CH2CH2CH3 O NaOH O CH2CI2 O NaCIKidney stones are crystals of calcium oxalate that form in the kidney, ureter, or bladder. Small kidney stones are passed out of the body easily, but larger kidney stones may block the ureter causing severe pain. If the [Ca2+] in blood plasma is 5 × 10-3 M, what [C2O42-] must be present to form a kidney stone? (Calcium oxalate Ksp = 2.3 x 10-9)Which one of the following could be classified as a quantitative analysis? Choices Isolation of omega-3 fatty acid from fish oil Determination of the omega-3 fatty acid content in olive oil Determination of fatty acid types in cooking oil Separation of fatty acid mixtures in guts of salmon
- Write the balanced chemical equation for the reaction of oxalic acid dihydrate with sodium hydroxide.which are the main ingredients in certain pesticides and “nerve gases”(1) Slick Johnny burns 1.2 Kcal/min when he's completely chilled and fasted. He lives on moonshine whiskey which is about 40% ethanol (assume a g is about an ml). Assuming there isn't much else of nutritional value, how much would he have to drink to maintain his body weight. 0.62 L 0.82 L 0.93 L 1.44 L (2) Assuming ethanol (C2H6O) is completely burned to CO2 and H2O, what would Slick Johnny's RQ be? 0.67 0.74 0.86 0.96
- What is X as product?Why are ducks waterproof? It’s because they produce copious amounts of oils from their uropygial glands and spread it across their feathers. In this exercise, we’ll be investigating the molecular structure of one of these preen oils to determine how it keeps ducks dry.2) Complete the reaction: NO. LOH FeCL