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thanks For each of the following pairs of substances, select the one expected to have the...
For each of the following pairs of substances, select the one expected to have the lower melting point: 1. H,O, H,S II. HCI, NaCl III. CH4, C3H Select one: a. H,O, HCI, C3Hg b. H,O, HCI, CHA O CH S, HCI, CHA d. H S, NaCl, CH, e. H,O, NaCl, C3H8
3. Which one of each of the following pairs will have the higher melting point? Briefly explain your reasoning in each case to receive full credit. (Each question worth 2 points) (a) NaCl or Nal (b) NaCl or KCI
Question 3 0.5 pts Which of the following substances is expected to have the highest melting point? 0 H₂O осна H2S ooo O CO2 Ne
3. A solution containing which one of the following pairs of substances will be a buffer solution? A) Nal, HI B) KBr, HB C) NaCl, HCI D) NaF, HF E) NaNO3, HNO3
NaCl or HCl H2O or H2S NH3 or PH3 N2N2 or NH3 N2N2 or NH3 Identify the substance in each of the following pairs that would have the higher boiling point :
4. (1 point) Write balanced equations for the complete combustion of each of the following substances. a. C3H28 (1) + b. C2H,2011 (s) + 5. (2 points) Identify each of the following unbalanced reactions as belonging to one or more of the following categories: precipitation, acid-base, or oxidation-reduction. Type Reaction K2SO4 + Ba(NO3)2 → BaSO4 + KNO3 HCI + Zn → ZnCl2 + H2 HCl + AgNO3 → AgCl + HNO3 HC1+KOH →KCI+H2O Zn + CuSO4 → ZnSO4 + Cu...
4.Which member of each of the following pairs of substances would you expect to have a higher boiling point? (6 points) a.O2 and Cl2 b.SO2 and CO2 c.HF and HI
Be sure to answer all parts. Which member of each of the following pairs of substances would you expect to have a higher boiling point? cool @
D Question 4 0.5 pts Which of the following substances is expected to have the highest vapor pressure? Осо 0 N2 O 12 O H2S O HCI
Which one of the following should have the highest boiling point? A) H2O B) H2S C) HCl D) CH4 E) CH3C(=O)H (Acetaldehyde)