Question 4 1 pts Which sets of molecules may interact by hydrogen-bonding? Select all that apply....
QUESTION 17 Which of the following are redox reactions (select all that apply)? Mg + Cl2 - MgCl2 O H2+02-H20 u C3H6+02- CO2 + H20 UKCI + Ca(NO3)2 – KNO3 +CaCl2 QUESTION 18 Which element is being OXIDIZED in the following reaction? 4HCI + O2-2012 + 2H20 Hydrogen O Chlorine Oxygen O None of the above
Which of the following molecules can form hydrogen bonds? Select all that apply. A. NH3 B. NaH C. DNA (this is a large polar molecule with the lots of oxygen and nitrogen atoms) D. H2O E. CH4 F. HI G. BH3 H. benzene (C6H6) Note: According to the Fisher Scientific MSDS, the solubility of benzene in water is very low so it is effectively insoluble. Solubility: 0.180 g/100 ml @ 25°C https://fscimage.fishersci.com/msds/02610.htm
11) (4 pts) Shown below is a representation of hydrogen bonding between two pairs of molecules as dashed lines. For each pair, clearly indicate which of the molecules are acting as hydrogen bond donors and which are acting as hydrogen bond acceptors. ALSO, label each of the four structures as polar protic or polar aprotic. CH3 .y: CHE H"HO
Which of the following molecules can participate in hydrogen bonding? Select one: O A. HCC F I-U-I I-O-I I-D-I hon B. H-C-C-C-H I I- -U-I I-U-I -I * H H H
For which of the following molecules is hydrogen bonding NOT possible? ОА H2O OB. All of these can hydrogen bond OC NH OD OEHF ♡ QUESTION 2 + + HCO31 H20 coz 2 H30* What role is water playing in the acid-base chemical reaction above? O A BASE OB CONJGATE BASE OC.CONJUGATE ACID D. ACID QUESTION 3 At room temperature, water is a liquid while methane is a gas. Which statement compares the intermolecular forces in these molecules correctly? O...
q 2 and 4 please!
Question 2 Which of the following compounds will hydrogen bond with water (H20)? Select all that apply. Cl2 CC14 CH20 NH3 SCI2 Question 3 Which of the following will have the lowest boiling point? Ne OKr O Ar o Не Question 4 Which of the following statements is FALSE? O A compound with stronger intermolecular forces will have a higher boiling point When a substance melts, some - but not all- of the intermolecular forces...
Question 3 (1 point) Match the strongest expected IMF (dispersion, dipole, hydrogen bonding) to the following molecules. You may need to fill in any missing lone pair electrons! OH 1. dispersion 2. dipole 앳 dato 3. hydrogen bonding H₃c-d O=C=0
with my understanding of hydrogen bonding, it can only happen
between N, O, or F. So answers B, C, and E seem like the best
choice.
3804/quizzes/79399/take Identify ALL the molecules or chemical groups below that are capable of hydrogen bonding (choose all that apply). OH HHHHH a. -C-C-C-C- C-H HHHHH ____ b . — N-H HSH I d e a-c-c-c-H 1 1 1 HH OH Question 3 1 pts
which of the following are vector quantities? (select ALL that
apply)
Question 26 0.5 pts Which of the following are vector quantities (select all that apply): Hint: You may want to use your textbook to help! mass time acceleration velocity length temperature momentum Oforce weight speed displacement
Which of these molecules are polar? Check all that apply. H SO2 cO2 CH2CI2 H PCl Next Exit Give Up & View Solution Check Answer Previous Hint Keep in mind that Lewis structures do not necessarily show the correct shape of the molecule. For example, CH Cl2 is not square planar as the Lewis structure might suggest