Question 5 2 pts Which of the following is the correct Ka expression for cream of...
D Question 2 2 pts Which of the following is the correct Ksp expression for cream of tartar (potassium hydrogen tartrate)? O Ksp = [KHC4H406]/[K'] [HC4H4061] O Ksp = [K+] [HC_H406'] /[KHC4H406] O Ksp = [K] [HC4H406'] O Ksp = [K*]/[HC4H406']
Question 1 1 pts Which of the following is the correct formula for potassium hydrogen tartrate? O KC4H406 O KHC4H406 O PHC4H406 O KHC3H405
please show all work neatly 5. (2 pts) Consider the following acids and their dissociation constants HPO4-2(aq) + H2O.. H3O"(aq) + PO4-3(aq) Ka-2.2x 10.13 HCOOH(aq) H20 H3O (a) HCOO (aq) Ka = 1.8x10-4 a. Which is the weaker acid, HPO42 or HCOOH? b. What is the conjugate base of, HPO42 or c. Which acid has the weaker conjugate base? d. Which acid produces more ions? 6. (2 pts) Write a balanced equation for the neutralization of H3PO4(aq) and NaOH(aq) (3...
Question 10 5 pts Which of the following expression is the correct minimum SOP (Sum-of-Products) expression of the function F shown in the truth table below? X 2 F y 0 0 0 2 1 0 0 0 0 0 0 0 1 شما 0 1 1 1 0 2 5 6 7 0 0 0 1 1 1 0 1 1 1 1 1 Yz' + x2 + xy yz' + x2 yz + xy yz + xy+ xy'z...
Which is the correct mass-action expression, Qc, for the following chemical reaction? Sn?-lac) + 120219) + 3H204 = SnO2(s) + 2H30"(a) SnO2] [4,0*12 [H0]|Sa) (0,11/2 [Snº" 1 (0,112 H30 0 4,0+? Sm?'1 10,11/2 H20 4,0||Snºl (0,112 O None of these expressions is correct.
Incorrect Question 28 0/6 pts What is the correct equilibrium expression for the following reaction: 3PbO(s) + 2NH3(g) = 3Pb(s) + N2(g) + 3H2O(g) Ng]+[H0] PLO® +(NH3)? K = Nz][H20) [N ] K PN (H2013 | PbO]* [NH? K PORNH, PBN, HOA K = POJ+(N14(1,0% PON, Keg = [NH, ( NH301
Question 49 2 pts Which of the following is NOT a correct match? allele that masks the expression of an alternate allele - dominant the specific alleles that an individual has - genotype o identical alleles - heterozygous allele whose expression can be masked by an alternate allele - recessive physical expression of a trait-phenotype
Question 18 5 pts Which of the following would be the correct abbreviated electron configuration for the element potassium (K)? [Ar]451 [kr]3s1 [Ar]3s1 [Kr]4s1 Question 19 5 pts The quantum numbers n = 3 and I = 2 describe which atomic orbital? 2p 3 3d о Зр Question 20 5 pts The photoelectric effect demonstrated which of the following? That light can undergo refraction That frequency and wavelength are related That light travels in packets of energy That matter can...
Question 4 2.5 pts What is the correct form of the equilibrium expression for the reaction below? 2H,(8) + O2(g) = 2H,0(3) [H2012 [02] [H 21 2H20] [02] [2H] H20] [0]?H H20] [O] [H 21 [02] H 21 Ked- [H2012
Which is the correct equilibrium constant expression for the following reaction? 2 NaHCO3(s) +- Na2CO3(s) + CO2(g) + H2O(g) O A. Kc = [Na2CO3]/[NaHCO3)2 O B. Kc = [NaHCO3]2/[Na2CO3][ CO2][ H20] OC. Kc = [CO2][ H20]