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- 3. Using this data, calculate a value for Kc for the reaction, A. 2.06 x 104 B. 4.84 x 10-3 C. 0.223 D. 4.49 E. 20.2 2 NO(g) + Cl₂(g) 2. NOCI(g) Kc = 3.20 x 10-³ 2 NO2(g) 2 NO(g) + O₂(g) Kc = 15.5 4. Using the data, NOCI(g) + 1/2O2(g) NO2(g) + ½ Cl₂(g) 3 A (g) + 4 B (g) A3B4 (g) calculate a value for Kc for the reaction, 3 A (g) + 4 B -A3B4 (g) 2 AB (g) + AB2 (g) (g) Kc = 25 Kc = 3.75 2 AB (g) + AB2 (g)High fructose corn syrup (HFCS) is a sweetener that was designed in the 1970s, which takes corn starch and chemically modifies it to have a mixture of the constitutional isomers glucose and fructose (both of the formula C6H12O6). HFCS 55 is the type found in US sodas (like Coca Cola) and it contains 55.1% fructose molecules and 44.9% glucose molecules. Given that information, calculate how many molecules of fructose would be found in a can of coca cola if the amount of HFCS used were 67.5 g? Use the correct number of significant figures. *Input answer as: 6.022x10^23Compound X and Y are being tested for their capacity as insulators. a. In the first experiment, compound X after being heated to 200 F it was transferred to a 0.100L water bath, the initial temperature of the water bath is 25 C, the final temperature after compound X was dropped was 30 C. What is the specific heat in calories? (specific heat of water is 1 calorie/gram °C = 4.186 joule/gram °C) b. The same experiment was conducted with chemical Y but the final temperature of the water bath was 308 K. What is the specific heat in Joules? c. Which of the two chemicals would be a better insulator? and Why?
- High-density lipoprotein (HDL) cholesterol is the "good" cholesterol because adequate levels reduce the risk of heart disease and stroke. HDL levels between 40. and 59 mg/dL are typical for a healthy individual. What is this range of HDL cholesterol in units of mol/L? The formula for cholesterol is C27H46 O. Range of HDL cholesterol is between and mol/L.3 CF3 IZ H .N. & O 1. , H3O+ 2. NaOH, H₂O trifluoroperoxyacetic acid 3. 1. NH2NH2, NaOH, H2O, heat 2. KMnO4, NaOH, A 3. H3O*3. Water has a heat of vaporization (AH) of 44.01 k] mol and boils at 100 °C at sea level. What is the boiling point of water (in °C to one decimal place) at the top of Mount Everest where the atmospheric pressure is only 34% as strong as the pressure at sea level? A: 73.6 st nalel oni (blpil biloe) tnt o d s sdib polomin to rg
- determine DHorxn for the reaction below: 2 H2S (g) + 3 O2 (g) --> 2 H2O (g) + 2 SO2 (g)2. Balance the following chemical equation ( Fe;Oa(s) + H2(g) Fe(s) H20(1)* What amount (in mol) and what mass (in kg) of carbon dioxide are produced when 20 gallons (approximately 2.0 x 10' kg) of octane (C3H18) is combusted? C3H18(1) +O2(g) CO2(g) + H;O(1) A: 1.4 x 10°; 62
- 5. The reaction of gaseous potassium superoxide, KO, is used in life-support systems to replace CO:(g) in expired air with O:(g). The unbalanoced chemical equation for the reaction is given below. KO:(s) + CO:(g) – K:CO:(s) + O:(g) How many moles of K:CO:(s) are produced per milligram of KO2(s) consumed?The correct arrangement of logP for this compound is: H2C H3C -CH3 HN NH HN NH タール 2. 3. Seiect one O az 3 1 *C3217. A natural gas sample was analyzed to contain 84% (by volume) CH4, 10% C2H6, 3% C3H8, and 3% N₂. If a series of catalytic reactions could be used for converting all the carbon atoms into butadiene, C4H6, with 100% efficiency, how much butadiene could be prepared from 100 g of the natural gas? Note: Volume percent of a gas mixture is nn mala normant the O 1530 g 82 g O 28 g 3150 g