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Oct 31, 2007 · Test 2 2018, questions and answers. Practice questions to assist with studying for test #2. University. University of Waterloo. Course. Phys & Chem Prop of Matter (Chem 120) 9. Which of the following gas samples would be most likely to behave ideally under the stated conditions? A) Ne at STP. B) CO at 200 atm and 25°C. C) SO2 at 2 atm and 0 K. D) N2 at 1 atm and -70°C. E) O2 at 400 atm and 25°C. 12. Place the following compounds in order of decreasing strength of intermolecular forces. HF O2 CO2. A) HF > CO2 > O2
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Explain, in terms of the intermolecular forces present in each liquid, which the boiling point of N2H4 is so much higher than that of C2H6. d. Write a balanced chemical equation for the reaction between N2H4 and H2O that explains why a solution of hydrazine in water has a pH greater than 7. Using only their location in a periodic table, rank each of the following sets of elements in order of increasing atomic size. Explain your answer in each case. a.) Mg, S, Cl d.) Rb, Xe, Te
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d. CH2O e. CO2 f. H2O2 g. CH3OH. 4. Consider the kinds of intermolecular forces present in the following compounds, and rank the substances in likely order of increasing boiling point.
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CH3CHOHCH2CH3. Following the procedure, we see that D contains an ionic bond (so will have highest boiling point). Question #2: Rank the following molecules in order of boiling point: We look for the strongest force Their boiling points will increase in order of their molecular weight.Consider separate 1.0−L gaseous samples of H 2, Xe, Cl 2, and O 2 all at STP.. a. Rank the gases in order of increasing average kinetic energy. b. Rank the gases in order of increasing average velocity.
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A.high melting point and reacts slowly with water. B.high melting point and reacts vigorously with water. C.low melting point and reacts vigorously with water. D.low melting point and reacts slowly with water. (Total 1 mark) 5. When the following species are arranged in order of . increasing. radius, what is the correct order? A.Cl–, Ar, K+ ...
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The boiling point of CCl 4 (350 K) is greater than the boiling point of CH 4 (111 K). (2.) the boiling point of ammonia (NH 3, 240 K) is greater than the boiling point of phosphine (PH 3, 185 K). 7 : List the following substances in order of increasing normal boiling point: HBr, HCl, HF, HI. 8 Using only the periodic table, rank the following alphabetical list of elements in order of decreasing first ionization energy. aluminum argon cesium magnesium rubidium silicon sodium sulfu r 5.
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At the normal boiling point of a liquid, the vapor pressure is equal to the standard atmospheric pressure defined as 1 atmosphere, 760 Torr, 101.325 kPa, or 14.69595 psi. For example, at any given temperature, methyl chloride has the highest vapor pressure of any of the liquids in the chart. The electronegativity, therefore, increases. The following table shows the actual radii and electronegativities for these elements. Problem2 Arrange the following elements in order of increasing electronegativity: selenium, sulfur, tellurium, oxygen.
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Explain your reasoning. a. CH b. CH3CH3 c. CH3CH2Cl d. CH3CH2OH. Rank the following compounds in order of increasing boiling point.Question: List The Compounds In Order Of Increasing Vapor Pressure. CH3CH2CH3 N2 CH3CHO CH3CHO < CH3CH2CH3 < N2 OCH3CH2CH3 – N2 CH3CHO ON2 - CH3CH2CH3 – CH3CHO CH3CH2CH3 – CH3CHO < N2 ON2 < CH3CHO < CH3CH2CH3 Rank The Following In Increasing Order Of Increasing Boiling Point: N2 CH3CH2OH CO2 НСІ O N2 < CO2 < HCI < CH3CH2OH CH3CH2OH < HCI < N2 + CO2 O ...
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Rank the following in order of increasing normal boiling point: N2, O2, Br2, Xe. N2 < O2 < Xe < Br2 In an experiment, 40.0 mmol of helium gas is collected over water.
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Academia.edu is a platform for academics to share research papers. Consider separate 1.0−L gaseous samples of H 2, Xe, Cl 2, and O 2 all at STP.. a. Rank the gases in order of increasing average kinetic energy. b. Rank the gases in order of increasing average velocity.
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b. Identify all of the intermolecular interactions that occur in the following (pure) compounds. Circle the strongest intermolecular force. c. Place the compounds in order of decreasing predicted boiling point. a. 1 C 4 e – 4 F 28 e– – 32 e– FFC F F 42 e– F C F F F tetrahedral F C F F F nonpolar 1 Se 6 e – 4 F 28 e 34 e – – FFSe ...
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For example, if you heat the alcohol below with a strong acid (like sulfuric acid, H2SO4) you obtain one major product (an alkene) and a minor product (also an Well, if you look closely you should see that actually two elimination products are possible here, but only one is formed as the major product.
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CH3CHOHCH2CH3. Following the procedure, we see that D contains an ionic bond (so will have highest boiling point). Question #2: Rank the following molecules in order of boiling point: We look for the strongest force Their boiling points will increase in order of their molecular weight.4.7 Draw each diatomic element. a. F2 b. O2 c. N2 * 4.8 Draw two different molecules that have the formula C2H6O. Each atom, except for hydrogen, should have an octet of valence electrons. a. PO43 b. HPO42 c. H2PO4 4.13 Draw each of the following and assign formal charges. Each atom should have an octet of valence electrons. a. SO3 b.
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CH3 CH2 CH2 CH2 CH2 OH. Boiling point of alcohols is determined by the ease and extent of H-bonding among the alcohol molecules. Tertiary alcohols being highly hindered will have least hydrogen bonding and thus low boiling point as compared to less hindered secondary alcohol.
Ne Br2 HCl N2 Ex. Of Bromine, Neon, Hydrochloric Acid, and Nitrogen-which is most likely to have the largest dipole-dipole forces? Ne Br2 HCl N2 Ex. Rank the following in order of increasing boiling point: barium chloride, hydrogen, carbon monoxide, HF, Ne * * * * HF 1.9 1.8 20 deg C * * * * * * * * * * * * * * * * * * * * * * * Place these hydrocarbons in order of decreasing boiling point. Rank from highest to lowest boiling point. To rank items as equivalent, overlap them. hexadecane, C16H34 paraffin, C25H52 octane, C8H18 2,2,4-trimethylpentane, C8H18 propane, C2H8.