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Chemistry concepts and calculations

117302 questions • Page 1967 / 2347

What is the major advantage of using chromic acid impregnated ion exchange resin
What is the major advantage of using chromic acid impregnated ion exchange resin for the oxidation as compared to chromic acid in solution? Choose all that apply. Side Products an…
What is the major organic product obtained from the following reaction? a. 1 b.
What is the major organic product obtained from the following reaction? a. 1 b. 2 c. 3 d. 4 What is/(are) the major organic product(s) obtained from the following substitution rea…
What is the major organic product of aldol condensation of propanal? Type its sy
What is the major organic product of aldol condensation of propanal? Type its systematic IUPAC name in the box below (don't indicate stereochemistry of the double bond in your nam…
What is the major organic product of aldol condensation of propanal? Type its sy
What is the major organic product of aldol condensation of propanal? Type its systematic IUPAC name in the box below (don't indicate stereochemistry of the double bond in your nam…
What is the major organic product of the following reaction? Please answer 4 and
What is the major organic product of the following reaction? Please answer 4 and 5, and why? What is the major organic product of the following reaction? Please answer 4 and 5, an…
What is the major product (s) of the following reaction? What are the major prod
What is the major product (s) of the following reaction? What are the major products of the following reaction? A. I and II III and IV B. I, C I and III and IV D. II. What is the …
What is the major product of the following reaction? What is the correct order o
What is the major product of the following reaction? What is the correct order of reagents to achieve the following synthesis? I.HNO_3/H_2SO_4 II. Br_2/AlBr_3 III. Fuming H_2SO_4 …
What is the major product of the following reactions? Match each reagent to how
What is the major product of the following reactions? Match each reagent to how it reacts with.Assume any necessary workup. Y is from the reagent. Answers may be repeated. Stoichi…
What is the major product of the reaction of be repeated. Assume any necessary w
What is the major product of the reaction of be repeated. Assume any necessary workup. with each of the following reagents? and heat NaOH and heat H2O Degree H3o Degree and heat W…
What is the major product of this reaction? What is the best reagent to perform
What is the major product of this reaction? What is the best reagent to perform this transformation? In the 2-methylbutane, the formation of which intermediate has the lowest acti…
What is the major protein component of milk? pepsin casein lipids proteases Why
What is the major protein component of milk? pepsin casein lipids proteases Why are cooked pineapples useful to make gelatin dessert but fresh pineapples are not? The heat reacts …
What is the major side product for the grignard reaction between phenyl magnesiu
What is the major side product for the grignard reaction between phenyl magnesium bromide and benzophenone? a) triphenylmethanol b) water c) biphenyl d) there is no major side pro…
What is the major side product for the grignard reaction between phenyl magnesiu
What is the major side product for the grignard reaction between phenyl magnesium bromide and benzophenone? a) triphenylmethanol b) water c) biphenyl d) there is no major side pro…
What is the major type of force that must be overcome to allow each of the proce
What is the major type of force that must be overcome to allow each of the processes below? the evaporation of propanol (CH_3CH_2CH_2OH) the boiling of liquid CH_2C1_2 the melting…
What is the major type of force to must be overcome to allow each of the process
What is the major type of force to must be overcome to allow each of the processes below? the evaporation of propanol (CH_3CH_2 CH_2 OH) the boiling of liquid CH_2 Cl_2 the meltin…
What is the mass (in g) of the samples? a. 25.0 moles of sulfur dioxide b. 45 mo
What is the mass (in g) of the samples? a. 25.0 moles of sulfur dioxide b. 45 molecules of oxygen c. 9 billion atoms of iron d. 0.080 moles of gold(III) sulfate e. 1.00 mole of hy…
What is the mass (in kg) of air in a square room if the room has walls that are
What is the mass (in kg) of air in a square room if the room has walls that are 9.33 feet high and 9.33 long and the density of air is 1.3 g/L? What is the theoretical yield (in g…
What is the mass defect of_4^11 Be? -1.685 amu -0.1707 amu -0.1055 amu -0.0704 a
What is the mass defect of_4^11 Be? -1.685 amu -0.1707 amu -0.1055 amu -0.0704 amu -4.1051 amu What is the binding energy per nucleon, in joules, of a chlorinc-35 atom, given that…
What is the mass in grams of 1 atom of sulfur (atomic mass = 32.066)? a. 1.661 t
What is the mass in grams of 1 atom of sulfur (atomic mass = 32.066)? a. 1.661 times 10^-24 b. 5.989 times 10^-23 c. 1.931 times 10^-25 d. 5.325 times 10^-23 e. 5.179 times 10^-26…
What is the mass in grams of an object having a mass of 1.5 kilogram? (A) 0.0015
What is the mass in grams of an object having a mass of 1.5 kilogram? (A) 0.0015 (B) 15 (C) 150 (D) 1500 which calculations yields the volume in liters of a 20 ounce bottle of sod…
What is the mass of 1.477 times 10^22 molecules of NH_3? 0.00829g 0.417g 2.49g 1
What is the mass of 1.477 times 10^22 molecules of NH_3? 0.00829g 0.417g 2.49g 121g 0.141g What is the stoichiometric coefficient for water (H_2O) when the following equation is b…
What is the mass of 1.7 troy ounces gold in grams given the following informatio
What is the mass of 1.7 troy ounces gold in grams given the following information ( 24 grains = 1 pennyweight : 20 pennyweight = 1 troy ounce : carat = 0.200 grams; 1 grain= 0.064…
What is the mass of 4.00 moles of helium, the gas commonly used to fill party ba
What is the mass of 4.00 moles of helium, the gas commonly used to fill party balloons and lighter than air ships? 16.0 g 2.41 times g 10^24 g 4.00 g 8.00 g 4 amu What is the gene…
What is the mass of 4.09 x 1021 formula units of sodium hydroxide: NaOH (Mw. 40.
What is the mass of 4.09 x 1021 formula units of sodium hydroxide: NaOH (Mw. 40.00 g/mol)? How many moles is equivalent to 9.32 x 1022 molecules of nitrogen dioxide: NO2 (Mw. 46.0…
What is the mass of 8.74 x 10 23 B atoms? Report your answer to two places past
What is the mass of 8.74 x 1023 B atoms? Report your answer to two places past the decimal point. g How many individual atoms are in a 37.0 g sample of Co? To enter a number in sc…
What is the mass of NaCl that is present in the \'Unknown NaCl\' solution? Pleas
What is the mass of NaCl that is present in the 'Unknown NaCl' solution? Please provide explination Below is some information The Ksp for Silver Chloride is: 1.830e-10. If you nee…
What is the mass of NaClO 2 required to create abuffer solution of pH = 2.5 from
What is the mass of NaClO2 required to create abuffer solution of pH = 2.5 from a 500 ml of HClO2(aq)(0.01 M)? Assume negligible change in the original concentration ofHClO2 due t…
What is the mass of a 0.148 mol sample of sodium hydroxide? 40 g 270 g 162 g 5.9
What is the mass of a 0.148 mol sample of sodium hydroxide? 40 g 270 g 162 g 5.9 g 0.17 g A new element. Tyserium (Ty). has recently been discovered and consists of two isotopes. …
What is the mass of a sample of O_2 gas, which has a pressure of 741 mmHg, at a
What is the mass of a sample of O_2 gas, which has a pressure of 741 mmHg, at a temperature of 24.0 degree C, in a volume of 255 mL? A gas cylinder contains a mixture of hydrogen …
What is the mass of an object that has a density of 11.3 g/cm^3 and a volume of
What is the mass of an object that has a density of 11.3 g/cm^3 and a volume of 6.45 cm^3? Using the density of ethyl alcohol from Table 2, what volume of alcohol would be needed …
What is the mass of calcium phosphate that can be prepared from 3.08 g of Na3PO4
What is the mass of calcium phosphate that can be prepared from 3.08 g of Na3PO4? Na3PO4(aq)+Ca(OH)2(aq)Ca3(PO4)2(s)+NaOH(aq) Express your answer with the appropriate units. What …
What is the mass of carbon dioxide produced from the reaction between octane and
What is the mass of carbon dioxide produced from the reaction between octane and oxygen, use the conditions for oxygen (pressure 1028.45 mmHg, volume 989.6 ml, and temperature 56.…
What is the mass of hydrogen gas released from 3.70 g of aluminum metal and hydr
What is the mass of hydrogen gas released from 3.70 g of aluminum metal and hydrochloric acid? 2 Al(s) + 6 HCI(aq) = 2 AlCl_3(aq) + 3 H_2(g) Select one: 0.303 g 3.236 g 0.411 g 0.…
What is the mass of hydrogen in a sample of fructose, C_6 H_12 O_6 that contains
What is the mass of hydrogen in a sample of fructose, C_6 H_12 O_6 that contains 8 g 12 g 16 g 24 g 3.2 g All of the following are strong electrolytes in an aqueous solution EXCEP…
What is the mass of one molecule of cholesterol, C_2H O? (A) 4.3 times 10^-27 g
What is the mass of one molecule of cholesterol, C_2H O? (A) 4.3 times 10^-27 g (B) 1.7 times 10^-24 g (C) 6.4 times 10^-22 g (D) 2.6 times 10^-3 g which is often used to add bana…
What is the mass of one molecule of cholesterol, C_2H O? (A) 4.3 times 10^-27 g
What is the mass of one molecule of cholesterol, C_2H O? (A) 4.3 times 10^-27 g (B) 1.7 times 10^-24 g (C) 6.4 times 10^-22 g (D) 2.6 times 10^-3 g which is often used to add bana…
What is the mass percent (m/m) of glucose in a solution that contains 25 g of wa
What is the mass percent (m/m) of glucose in a solution that contains 25 g of water and 4.2 g of glucose? a. 16-8% b. 17% c. 14.4% d.85.6% How many milliliters of ethanol are need…
What is the mass percent of acetic acid in cleaning vinegar, if 25 drops of 0.68
What is the mass percent of acetic acid in cleaning vinegar, if 25 drops of 0.683M NaOH solution are required to neutralize 10 drops of cleaning vinegar? Assume that the density o…
What is the mass percent of an aqueous sodium hydroxide solution in which the mo
What is the mass percent of an aqueous sodium hydroxide solution in which the mole fraction of NaOH is 0.231? The density of the solution is 1.4339 g/mL. 33.1% 40.0% 6.21% 6.44% 6…
What is the mass percent of ethylene glycol in the unknown solution? Aqueous eth
What is the mass percent of ethylene glycol in the unknown solution? Aqueous ethylene glycol (HOCH_2CH_2OH, FW = 62.07 g/mol) solution with a mass of 281.7 mg is titrated with 44.…
What is the mass, in g, of 28.70 ml of acetone? express your answer using four s
What is the mass, in g, of 28.70 ml of acetone? express your answer using four significant figures. Please help, I have two attempts remaining ANSWER 1: Deduction:-3% Part A m= 28…
What is the mass, in grams, of each of the following? 2.3•10^-3 mol of Sb. Expre
What is the mass, in grams, of each of the following? 2.3•10^-3 mol of Sb. Express using two significant digits 3.56•10^-2 mol of Ba. Express using three significant digits 44.0 m…
What is the mass, in grams, of each of the following? Part A 2.0×10 3 mol Sb Exp
What is the mass, in grams, of each of the following? Part A 2.0×103 mol Sb Express your answer using two significant figures. nothing SubmitRequest Answer Part B 3.58×102 mol Ba …
What is the masspercentage of aluminum in this alloy? Solution If pressure = 752
What is the masspercentage of aluminum in this alloy?
What is the mathematical equation that represents Boyle\'s Law? A. PV = nRT B. c
What is the mathematical equation that represents Boyle's Law? A. PV = nRT B. constant x P x V = R x T C. P x V = constant D. P V = constant In a classroom laboratory, what will b…
What is the maximum amount of useful work that can be accomplished under standar
What is the maximum amount of useful work that can be accomplished under standard conditions by this system if 5 mol of ethylene (C2H4) is burned? I previously calculated delta H …
What is the maximum amount of water (in moles) that can be placed in a 200 L con
What is the maximum amount of water (in moles) that can be placed in a 200 L container at 60 degree C and, when equilibrium is achieved, there will be no liquid water present. a.)…
What is the maximum mass (in grams) of each of the following soluble salts that
What is the maximum mass (in grams) of each of the following soluble salts that can be added to 330 mL of 0.050 M BaCl2 without causing a precipitate to form? (Assume that the add…
What is the maximum mass (in grams) of each of the following soluble salts that
What is the maximum mass (in grams) of each of the following soluble salts that can be added to 190 mL of 0.050 M BaCl2 without causing a precipitate to form? (Assume that the add…
What is the maximum mass in grams of NH3 that can be produced by the reaction of
What is the maximum mass in grams of NH3 that can be produced by the reaction of 1.0g of N2 with 3.0g of H2? Answer a. 4.0 b. 17 c. 0.61 d. 2.0 e. 1.2