Binding Energy = mass defect (amu) * (931.5 MeV / 1 amu )
QUESTION 8 lodine-109 atoms have an actual mass of 108.93815 amu. Determine the mass deficiency of...
QUESTION 7 Iron-56 atoms have an actual mass of 55.9349 amu. Determine the mass deficiency of an iron 56 atom, and binding energy of a mole of iron-56 atoms OA. Am = 0.5268 amu, BE = 4.741x1013 Am = 0.5246 amu, BE = 1.574x1050 O Cam = 0.5302 amu, BE - 4.771x1013) OD. Am = 0.5302 amu, BE = 1.591x105 E Am = 0.5246 amu, BE = 4.721x1013 OF Am = 0.5246 amu, BE = 4 721x1018) OG Am -0.5302...
QUESTION 37 A single atom of krypton-84 has a mass of 83.911507 amu. Determine the total binding energy for krypton-84. (mass of 'H atom=1.007825, mass of neutron = 1.008665 amu; 1 amu = 931.5 MeV) 732 Mev 0 685 MeV O 925 MeV O 7.8 x 104 Mev O 285 MeV QUESTION 38 Which of the following statements about electrochemical cells is TRUE? O In an electrolytic cell, oxidation occurs at the cathode In an electrolytic cell the anode is...
Calculate the atomic mass of the chromium-54 nucleus in amu (to three decimal places) assuming that the mass of a nucleon is 1.008 amu and the binding energy per nucleon is 1.326x10-2 J/nucleon (1 kg = 6.022x1026 amu) amu 1 2 3 4 5 6 7 8 9 +/- 2 3 23 5 6 7 W Q w 8 9 E 1 O R T Y C A O S P D G H J к Z L C V...
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Question 9 (2 points) The atomic mass of fluorine is 19.00 amu, and all fluorine atoms in a naturally occurring sample of fluorine have this mass. The atomic mass of chlorine is 35.45 amu, but no chlorine atoms in a naturally occurring sample of chlorine have this mass. Provide an explanation for this difference. a) All fluorine atoms have an equal number of protons and neutrons. Ob) There is more than one isotope of chlorine. Oc) Fluorine and...
Question 3 of 37 Determine the mass in grams of 3.52 1021 atoms of arsenic. (The mass of one mole of arsenic is 74.92 g. g 1 2 3 4 5 6 с 7 8 9 +/- 0 X 100 + 29 MacBc
5. [2 pts each] Complete the following and make sure to include units (g,mole, amu, atoms, molecules, etc.): mass of one mole of H2CO3 mass of one molecule of NaNO3 the number of atoms in 130.76 g Zn 6. [4 pts each] Balance the following chemical equations with the lowest whole number coefficients: NH3 + NO + N2 + H2O _C.H6 +_02 → _CO2 +_H20 7. [3 pts] Given the following electronegativity values, rank each bond for its contribution to...
Calculations Based on Chemical Formulas (Section 6-5) 6-29 Determine the number of atoms present in 20.0 g! samples of each of the following elements? a. Be b. Ar 6-31 Determine the mass, in grams, of each of the following quantities of substance. a. 6.02 x 102 copper atoms b. 3.01 x 102 copper atoms d. 1 silver atom 6-33 Determine the number of moles of substance present in each of the following quantities. a. 10.0 g He b. 10.0 g...
am101 Question 14 of 16 Determine the number of atoms in 37.0 grams of sodium, Na. (The mass of one mole of sodium is 22.99 g.) atoms 7 8 9 +/- X 100
Question 25 Determine the mass of a ball with a De Broglie wavelength of 3.45 x 10 34 m that is travaling at a velocity of 6.55 m/s. 0.293 g 3.41 g 346 g 293 g 12.6 g Question 26 which of the following transitions (in a hydrogen atom) would emit the highest energy photon? n 3 to n 1 1 to n 4 O n 3 to n 4 O n 5 to n 4
8. For each of the following molecular formulas, determine how many atoms of each element are present. a. Cr(OH)3 h. Ag2SO4 b. H2C204 i. HgCl2 C. S2Cl2 j. KCIO d. (NH4)2S k. Ca3(PO4)2 e. CuBr2 1. NH4ClO3 f. LINO3 m. Mg(MnO4)2 g. PFS n. Cr2(CO3)3 9. For each of the structural formulas, write the molecular formula. o=c=0 H-C-CE 6 H-cực-H H ه I-U- - H ه f. I H CICI -0 1 II Cl-Si-si-ci 0-0-I ن I -S-O-H O-H 0--0-H...