all 25. According to the VSEPR theory, what is the geometry (shape) around the phospt atom... (2024)

  • all25. According to the VSEPR theory, what is the geometry (shape) around the phospt atom...

    all25. According to the VSEPR theory, what is the geometry (shape) around the phospt atom... (1)all25. According to the VSEPR theory, what is the geometry (shape) around the phospt atom in the Lewis structure shown below? H-P-H D) E) trigonal pyramidal tetrahedral A) linear B) bent (angular) C) trigonal planar 26. Which of following molecules is polar? B) H-B-H 27. How is the reaction shown below best classified? 2NaCl(s)+F:) - NaF(s) + Cl() A) decomposition B) combination C) single-replacement D) double-replacement E) precipitation 28. How is the reaction shown below best classified? 2HgO(s) 2Hg()...

  • D) dissociation E) sublimation 43) How is the reaction shown below best classified? 2HgO(3) - 2Hg()...

    all25. According to the VSEPR theory, what is the geometry (shape) around the phospt atom... (2)D) dissociation E) sublimation 43) How is the reaction shown below best classified? 2HgO(3) - 2Hg() + O26) A) decomposition B) combination C) combustion D) single-replacement E) double-replacement 44) Which property is typical for molecular solids? A) contain ionic and covalent bonds B) have no organized structure C) consist of only metal atoms D) have low melting points E) will boil at very high temperature Hydrogen fluoride will react with glass (silicon dioxide, SiO2) according to the equation below. What...

  • 14) How is the reaction shown below best classified? 2NaCl(s) + F2(g) → 2NaF(s) + Cl2(9)...

    all25. According to the VSEPR theory, what is the geometry (shape) around the phospt atom... (3)14) How is the reaction shown below best classified? 2NaCl(s) + F2(g) → 2NaF(s) + Cl2(9) A) single-replacement B) combination C) precipitation D) double-replacement E) decomposition 15) 15) How many molecules of water are present in a 5.65 mole sample of water? A) 9.39 x 10-24 molecules B) 1.07 * 1023 molecules C) 3.40 x 1024 molecules D) 4.00 x 1025 molecules E) 4.00 x 1024 molecules

  • 39) What property of liquids explains the formation of leaves? A) surface tension B) adhesion C)...

    all25. According to the VSEPR theory, what is the geometry (shape) around the phospt atom... (4)39) What property of liquids explains the formation of leaves? A) surface tension B) adhesion C) viscosity D) vapor pressure E) None of the choices are correct. mation of spherical water droplets on green 3 9) - um at constant pressure and temperature has the volume 40) 40) A balloon containing helium at constant pres doubled by adding a more helium. Which ' adding a more helium. Which statement(s) isare) TRUE? A) The number of moles of helium doubled. B)...

  • 20) 20) Which of the following statements concerning a voltaic cell is FALSE A) At the...

    all25. According to the VSEPR theory, what is the geometry (shape) around the phospt atom... (5)20) 20) Which of the following statements concerning a voltaic cell is FALSE A) At the anode a substance will lose electrons. B) A voltaic cell uses an oxidation-reduction reaction to produce electrical energy. C) The oxidation half reaction occurs at the cathode. D) The cell consists of two half cells. E) The anode and the cathode are separated by a salt bridge. - 21) The fluoride rinse in dental offices usually contains sodium fluoride, Sodium fluoride 2 1 can...

  • 12) 12) Choose the best classification of the reaction represented by the following equation: 2Fe3 (ag)+...

    all25. According to the VSEPR theory, what is the geometry (shape) around the phospt atom... (6)12) 12) Choose the best classification of the reaction represented by the following equation: 2Fe3 (ag)+ Fe(s)3Fe2+(ag) A) oxidation-reduction B) combustion C) decomposition D) precipitation E) acid-base 13) 13) Prozac, a drug prescribed to treat depression, has the formula C17H18F3NO. If a patient was administered 15.0 mg of Prozac, how many moles of Prozac did he receive? [Molar mass: Prozac, 309.36 g/mol] A) 20.6 mol B) 48.5 mol C) 2.92 x 1019 mol D) 4.85x 10-5mol E) 4640 mol 14)...

  • 1. What coefficients would balance the following equation? _Al + _02_Al2O3 O A 2Al +3021A1203 O...

    all25. According to the VSEPR theory, what is the geometry (shape) around the phospt atom... (7)1. What coefficients would balance the following equation? _Al + _02_Al2O3 O A 2Al +3021A1203 O B.2A1+302 > 2Al2O3 O C.3Al + 302 + 2A1203 O D. Al +302 → 2A1203 2. What coefficients would balance the following equation? _C2H + _02 +_CO2+ _H20 O A 1CH5 +502 + 2002 + 3H20 OB 2C H5 +502 + 4CO2 + 6H20 OC. 20 H6 + 702 + 4CO2 + 6H20 OD. 2CH3 + 1002 + 4CO2 + 6H20 3. Classify the...

  • 10) 10) Consider the hypothetical reaction: 3A2 + 2B - C + 2D Ir 6.0 moles of A are mixed with 2.0 moles of B, what...

    all25. According to the VSEPR theory, what is the geometry (shape) around the phospt atom... (8)10) 10) Consider the hypothetical reaction: 3A2 + 2B - C + 2D Ir 6.0 moles of A are mixed with 2.0 moles of B, what is the maximum amount of C that can be formed? A) 6.0 mol B) 8.0 mol C) 2.0 mol D) 1.0 mol E) 5.0 mol 11) What is the mass of 4.35 moles of aluminum? A) 9.78 x 1022 B) 2.62 x 1024 g C) 0.1638 D) 1178 E) 27.8 g 12) 12) Choose...

  • What would be the physical state foe ZnSO4 in the following equation? Zn(s) + CuSO4(aq) =...

    all25. According to the VSEPR theory, what is the geometry (shape) around the phospt atom... (9)What would be the physical state foe ZnSO4 in the following equation? Zn(s) + CuSO4(aq) = ZnSO4(aq) + Cu(s) O A. Solid B. Aqueous OC. Liquid D. Gas E. Plasma QUESTION 24 The following reaction can be classified as a: Zn(s) + H2SO4(aq) = ZnSO4(aq) + H2(g) O A. Combination reaction B. Single-replacement reaction OC. Decomposition reaction D. Double displacement reaction E. Evaporation reaction

  • 25. What is the molecular shape of CIF: as predicted by the VSEPR theory? A) linear...

    all25. According to the VSEPR theory, what is the geometry (shape) around the phospt atom... (10)25. What is the molecular shape of CIF: as predicted by the VSEPR theory? A) linear B) bent C) see-saw D) T-shaped E) L-shaped 26. A system delivers 1275 J of heat while the surroundings perform 855 J of work on it. Calculate AE in J. A) -2130 J B) -420 J C) 420 J D) 2130 J E) -1275 J 27. How many milliliters of 1.58 MHCI are needed to react NaHCO (M-84.02 g/mol)? HCl(aq)+ NaHCO (s) A) 638...

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25. According to the VSEPR theory, what is the geometry (shape) around the phospt atom... (2024)

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