Chemistry question and answers for July 28, 2023
- Q Plamitate uniformly labeled with tritium (3H) to a specificradioactivity of 3.0×·10^8 counts per minute per micromole wasadded to a mitochondrial preparation that oxidized 3H-palmitate toacetyl-CoA. The experiment calls for hydrolysis...
- Q A) 1 L of solution contains 0.10 mol Ag+ and 0.10 mol of Ba2+.If a highly concentrated solution of K2CrO4 is added drop by drop,which will precipitate first, Ag2CrO4 or...
- Q A sample of a gas mixture contains the following quantities ofthree gases.compoundmassCO2.68gCO23.69gSF62.13gThe sample has:volume = 2.50 Ltemperature = 16.6 °CWhat is the partial pressure for each gas, in mmHg?What is...
- Q The van der Waals equation for 1 mole of gas is given by (p+av-2)(v - b) = RT. In general, curves of p versus vforvarious values of T exhibit a...
- Q Ethanol can be synthesized by direct hydration of ethylene:C2H4(g) + H2O(g) ----> C2H5OH(g). at t = 300degC and P = 60 atm.Calculate the yield of the rxn for conditions as...
- Q How many milliliters of an aqueous solution of 0.212 Mcopper(II) chloride is needed to obtain 6.74 grams of the salt?
- Q And please show me the step by step process of how you solvedthe question. I have a learning disability and I need to know thesteps to solve the questionIf it...
- Q An electron in the n = 5 level of an H atom emits a photon ofwavelength 4052.28 nm. To what energy level does the electronmove?
- Q 1. What is the difference between the heat of reaction, Qrxn,and the enthalpy of reaction, ï„Hrxn? (2. In a coffee-cup calorimeter, 1.40 g of NH4NO3 is mixed with71.0 g of...
- Q In a Wittig reaction, what is the difference between a betaineintermediate and a ylide?
- Q 17. Considerthe following balanced chemical equation:A.2Al(s)+ 3Cl2(g)→ 2AlCl3(s)  Determinethe mass (in g) of AlCl3 formedif 27.6 g of Al reacts with 47.6 g of Cl2B. What volume, in L, of 0.0771...
- Q draw the mechanism for 1,3 butadiene = HBR for both possibleproducts. explain which is the major product under thermodynamiccontrol.
- Q What is the importance of atomic structure? Please explain indetails thank you
- Q This question was about quantum nubers. It isn't multiplequestions. just multiple parts of the same question with very shortanswers according to my teacher. I am confused about how to solvethem...
- Q 1) how does the presence of lone pairs affect the angle betweenthe atoms bonded to central atom?2) draw the more stable valence electron orbital diagram forcarbon.3) if a carbon bond...
- Q The molar heat capacity of silver is 25.35 J/mol⋅∘C. How muchenergy would it take to raise the temperature of 9.10 g of silverby 10.5 ∘C? Use the following values:specific heat...
- Q A manufacturer of bicycles has 4833 wheels, 2315 frames, and2255 handlebars.1. How many bicycles can be manufactured using these parts?2. How many wheels are left over?3. How many frames are...
- Q A****41.9 mL of a 0.146 M Na2CO3 solution completely react witha 0.150 MHNO3 solution according to the following balanced chemicalequation:  Na2CO3(aq)+2HNO3(aq)→2NaNO3(aq)+CO2(g)+H2O(l)What mass (in grams) of carbon dioxide is formed?B*****What volume (in...
- Q Molecular Structure and Physical PropertiesConsider the following statements and determine which are trueand which are false.true/false  SeF4 has a see-sawstructure.true/false  KrF4 is a polar molecule.true/false  NO3- has threeresonance Lewis structures.true/false  Bond angles for IF6+are...
- Q Molecular and net ionic equations for1) Ba^2+ + H2SO42) Sr^2+ + H2SO43) Ba^2+ + Na2CO34) Ca^2+ + Na2CO35) Mg^2+ + Na2CO36) Sr^2+ + Na2CO37) Ba^2+ + (NH4)2C2O48) Ca^2+ + (NH4)2C2O49)...
- Q You have 6.56x1022 molecules of the vitamin C(384.7g/mol), what is the mass in grams? Show step by step workplease
- Q how are metabolic reactions (particularly respiration) andcombustion reactions similar and how are these reactionsdifferent?
- Q Calculate the heat absorbed when 578 g of ice at −12.7°C meltsand then the water is converted to steam at 205.0°C. The specificheat of ice is 2.03 J/(g°C),the heat of...
- Q 1) Pretend you have just synthesized a novel, relativelynon-polar compound that is solid at room temperature. The lastreaction you performed on route to this compound also formed smallquantities of more...
- Q For each of the following pairs of substances, determine whichhas the larger molar entropy at 298 K:(A) Cl2(g) or (B) Br2(l)(C) Ni(s) or (D) Fe(s)(E) C2H6(g) or (F) C2H4(g)(G) CH4(g)...
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