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QUESTION 26 What is the mass, in grams, of one arsenic atom (NA- 6.022 x 1023 mol-1? O 5.48 x 10-23g O 33.0 g O 74.9 g O 1.24 x 10-22 g O 804 x 1021 g
Calculate the mass defect for the formation of a plutonium-239 nucleus in grams/atom. The mass of an 239Pu atom is 239.0521634 u, the mass of a proton is 1.00728 u, the mass of a neutron is 1.00867 u, and the mass of an electron is 5.486×10?4 u. A. Fine mass defect in gram/atoms B. Find mass defect C. Find ?E , in MeV/nucleon
if 3.011 x 10^23 molecules have a mass of 20.04 grams, what is the mokar mass if this substance? 8) If 3.011 x 1023 molecules have a mass of 20.04 grams, what is the molar mass of this substance? A) 40.08 g/mol B) 10.02 g/mol C) 20.04 g/mol D) 6.658 x 10-23 g/mol E) none of the above
What is the mass, in grams, of 9.40 x 10^ 24 molecules of methanol (ch3oh)? What is the mass, in grams, of 9.40 x 1024 molecules of methanol (CH, mass:
29. (10 pts) X-ray crystallographic studies show that elemental palladium (Pd) exists in a face-centered cubic (fcc) crystal. The length of the sides for its crystalline unit cell was found to be 3.8907 Angstroms. The Mo Ka x-ray radiation used has a wavelength of 0.71354 Angstroms. (a) Calculate the mass density, in grams / cm”, for palladium. (Hint: 1 Angstrom = 1 x 10 cm, 1 amu = 1.661 x 10^- grams). -8 -24 (b) Calculate the radius and diameter...
What is the average mass, in grams, of one magnesium atom? Report your answer to four (4) significant digits. The atomic weight of magnesium is 24.31 g/mol.
1. A U-238 atom (uranium-238) has a nucleus with 92 protons and an atomic mass of 238.0507882 u. What is the nuclear binding energy per nucleon in this atom? 2. When Dr. Bruce Banner becomes angry and undergoes a transformation into the Incredible Hulk, his blood plasma becomes saturated with Na-24 atoms. These radioactive sodium atoms decay into stable Mg-24 by beta decay, along with the release of two high-energy gamma rays, to which Dr. Banner is immune. After initially...
CHEMISTRY 133 FOR SUFFOLK COUNTY COMMUNITY COLLEGE 22. Na, PO + HNO, → 23. Na co + NaOH. → 24. Na,CO + Ba(NO) → 25. Na,Co+ HNO → 26. NaOH + Ba(NO)2 → 27. NaOH + HNO → 28. Ba(NO)2 + HNO →
29. X-ray crystallographic studies show that elemental palladium (Rd) exists in a face-centered cubic (fcc) crystal. The length of the sides for its crystalline unit cell was found to be 3.8907 Angstroms. The Mo Ka x-ray radiation used has a wavelength of 0.71354 Angstroms. (a) Calculate the mass density, in grams / cm3, for palladium. (Hint: 1 Angstrom = 1 x 10-8 1 amu = 1.661 x 10-24 grams). cm, Wie (b) Calculate the radius and diameter of the palladium...
X-ray crystallographic studies show that elemental palladium (Pd) exists in a face-centered cubic (fcc) crystal. The length of the sides for its crystalline unit cell was found to be 3.8907 Angstroms. The Mo Ka x-ray radiation used has a wavelength of 0.71354 Angstroms. (a) Calculate the mass density, in grams / cm3, for palladium. (Hint: 1 Angstrom = 1 x 10-8 cm, 1 amu = 1.661 x 10-24 grams). (b) Calculate the radius and diameter of the palladium atom, in Angstroms.