(17)can anyone solve question 17
Option 3 is false.
Explanation:-
1. Hydrogen bonds are long and weak, covalent bonds are short and strong.
2. Liquid water is more dense than solid because after freezing water orientation of H-bond causes molecules to push apart, which lower the density of water.
3. Only Hydrogen bonds are broken when water vaporises, not covalent.
4. Energy absorbed when Ice turned to iquid.
(17)can anyone solve question 17 Question 17 Which of the statements regarding water is false? O...
19. Which of the following statements regarding ionic compounds is correct? A) Ions are held together in an ionic lattice by covalent bonds. B) The crystal structure of a given compound does not depend on the sizes and number of ions in a formula unit of the compound. C) Ionic compounds tend to have low melting points. D) Ionic compounds are formed when two metals react. E) In forming an ionic compound from its elements, one element transfers one or...
LUMUL TUNTI Yurugen bonds with water? O(CH3)2N Оснасн,он O(CH2CH2)2NH Оснусн,сна OCH,CH, NH Which of the following compounds cannot form hydrogen bonds with water? О (сна) N Оснусн,он O(CH2CH2)2NH Осняснен OCH CHÁNH,
Identify the strongest intermolecular force in the compound KHSO4. O lonic forces Dipole-dipole Hydrogen bonding lon-dipole London dispersion forces What intermolecular force or bond is responsible for the density of solid water (ice) being less than that of liquid water? London dispersion forces O lonic bonding Covalent bonding Dipole-dipole forces Hydrogen bonding Which of the following compounds would have the strongest intermolecular attractive forces ? 0 CH3-NH-CH2-CH3 CH3-CH2-CH2-OH O CH3-CH2-O-CH3 O CH3-CH2-CO2H CO2 A 0.258-9 sample of a pure triprotic...
Identify the strongest intermolecular force in the compound KHSO4 O lonic forces Dipole-dipole Hydrogen bonding O lon-dipole London dispersion forces Question 23 1.5 pts What intermolecular force or bond is responsible for the density of solid water (ice) being less than that of liquid water? O London dispersion forces Olonic bonding O Covalent bonding O Dipole-dipole forces Hydrogen bonding In which of the following molecules and ions does the central carbon atom or sulfur atom have sp hybridization: Cl,CO, SO32-,...
Which of the following is NOT one of the six elements that make up 95% of the body weight of organisms? OA) Hydrogen OB) Nitrogen Oc) Carbon OD) Iron Which of the following statements is true? OA) All isotopes give off subatomic particles. OB) All isotopes are radioactive. Oc) All isotopes have the same number of protons. OD) All isotopes have the same number of neutrons. What type of bond is formed when atoms share electrons? OA) lonic OB) Covalent...
7. If an ionic bond is stronger than a dipole-dipole interaction, how can water dissolve an ionic compound? None of these The ion-dipole interactions of a bunch of water molecules gang up on the strong ionic bond and pull it into the solution. The ions never overcome their interatomic attraction and therefore are not soluble. The ionic bond is weakened by the ion-dipole interactions and ionic repulsion ejects the ions from the crystal. The ion-dipole...
Question 12 Which of the following statements is false about CH3CH2CH3 and CH3CH2OH? Your answer: O Hydrogen bonding is the only type of intermolecular forces between CH3CH2OH molecules. O (C) atom makes sp hybridization in CH3CH2CH3 molecule. o Only dispersion forces exist between CH3CH2CH3 molecules. OCH3CH2OH has stronger intermolecular forces than CH3CH2CH3. O CH3CH2CH3 molecule has tetrahedral geometry. Clear answer Back Next
Which of the following statements is true? A. Neutrons are less massive than electrons. O B. Protons and electrons have equal but opposite charges. O C. Wavelength multiplied by frequency equals half the speed of light. O D. Mercury is a solid at standard temperature and pressure. O E. Water is more dense as a solid than as a liquid. What is the mass percent of hydrogen for C&H,OH? O A. 13.6% OB. 12.2% C. 20.8% D. 16.6% E. 18.8%
Lemon juice has a high pH. A. True B. False Which subatomic particle(s) orbit the nucleus? A. protons B. neutrons C. electrons D. More than one of the above answers are correct. Molecules that are attracted to water are called ______. A. solvents B. hydrophilic C. hydrophobic D. nonpolar The ability of an organism to maintain a stable internal environment is called __________. A. homeostasis B. denaturation C. replication D. natural selection Ionic bonding occurs when _________. A. two molecules...
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Question 6 (5 points) Which of the following will increase when HF is added to pure water at 25 °C? Okw Орн O(OH) Осно*) Ka Question 7 (5 points) aculate the Kb of the conjugate base of an acid with a ka value of 2.9 X 100 25 °C Question 7 (5 points) Calculate the Kb of the conjugate base of an acid with a Ka value of 2.9 x 10-10 at 25 °C. O 3.4 x...