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Question 27 2 pts How many moles of oxygen atoms are in 2.30 moles of Mg(C,...
options : - trigonal pyramidal - bent - tetrahedral -trigonal planar Question 7 1 pts Determine the molecular geometry at each interior atom in the given molecule below. Η 1) The molecular geometry around C (1) is (Select] 2) The molecular geometry around N (2) is (Select] 3) The molecular geometry around C(3) is (Select] 4) The molecular geometry around O (4) is (Select]
Question 18 2 pts 2 pts 2 013 Which of the following statements correctly describes the normal tonicity conditions for typical plant and animal cells? The animal cell is in a hypotonic solution, and the plant cell is in an Isotonic solution The animal cell is in an isotonic solution, and the plant cell is in a hypertonic solution The animal cell is in a hypertonic solution, and the plant cellis in an isotonic solution The animal cell is in...
show neatly with steps Question 2 12 pts Give the molecular shape of each molecule 1. PFs; 2. CCl4; 3. H307 4. ICI3; 5. BeH2; 6. PH2 ; 7. GeBr 4: 8. CH"; 9.BC13; 10. BrF4; 11. XeO3; [Choose ] trigonal bipyramidal trigonal planar trigonal pyramidal bent tetrahedral linear seesaw T shaped Choose) 12. TF4 molecule 1
How many valence electrons does S^2 have? A. 3 B. 8 C. 15 D. 1 E. 18 52. Which of the following ground-state ions has the largest number of unpaired electrons? A. Cr^2+ B. Mn^2+ C. Ni^2+ D. Cu^+ E. Co^2+ 53. Arrange the following ions in order of increasing ionic radius: K^+, P^3-, S^2-, CI^-, increasing radius A. K^+ < CI^- < S^2- < P^3- B. CI^- < S^2- < P^3- < K^+ C. K^+ < P^3- < S^2-...
Gas pressure is caused by: A) barometers B) temperature C) gas molecules condensing into a liquid D) gas molecules hitting other gas molecules E) gas molecules colliding with surfaces 7) 8) What is the molarity of a solution that results when 21.3 g of (NH4)3PO4 (MM- 149 g/mol) is dissolved C) 0.357 M E) 1.61 x 10- water and brought to a total volume of 250.0 mL? D) 85.2 M B) 2.28 M A) 0.572 M 9) What is the...
4 Edit & C Question 33 2 pts How many moles of CO2 will be make from 19.9 g of propane (C3H8) with a molar mass of 44.10 g/mol? CzHg +502 3CO2 + 4H20 Question 34 2 pts How many mols of reactant remains after 0.47 mol of sodium phosphate reacts with 0.54 mol of magnesium chloride? (Just put in the number - don't put the units in the answer.) 2NaPO, (aq) + 3MgCl2 (aq) + 4NaCl(aq) + Mg3(PO4)2 (s)...