QUESTION 7 Which of the following is a strong acid in aqueous solution? O a. NH...
QUESTION 8 The density of a gas is 1.2 g/L at STP. What is its molar mass? a. 30 g/mol b. 27 g/mol c. 46 g/mol d. 18 g/mol e. 29 g/mol QUESTION 4 What is the oxidation half-reaction for the reaction of zinc with hydrochloric acid? Zn(s) + 2H+ (aq) + 2C1"(aq) → Zn2+(aq) + 2Cl(aq) + H2(8) O a. 2H +(aq) + 2e (aq) → H 2(3)+261 (aq) b. 2H +(aq) + 2e - → H2(g) OC. Zn(...
QUESTION 16 Which of the following is a weak acid in aqueous solution? a. HBr b.HI c. HNO 2 d. HCIO 4 e. H2SO4 QUESTION 13 All of the following half-reactions are balanced except O a. H 3PO 3( aq) + H 20(1) - H3PO 4( aq) + 2H +(aq) + 2e -. O b. H 20 2(aq) → 20H "(aq) + 2e . OC 2H 20( ) + 2e - → H2(g) + 20H (aq). d. 27a( S) +...
Question 27 (2 points) Which of the following substituents will not direct the incoming group to the ortho/para position during electrophilic aromatic substitution? Oa) -OCOCH3 ob) -COOCH3 OC) -CH2CH3 od) -N(CH3)2 Question 28 (2 points) Provide the reagents necessary to carry out the following conversion. OH OH B Br Br oa) Br2, hn ob) HBr (3 moles) oc) Br2, FeBr3 od) Br2
QUESTION 3 Calculate the molar concentration of an aqueous solution of the strong base, Ba(OH)2, that has a pH = 9.50 O A 6.4x10-5M O B. 1,1 x 10-5M OC 1,6 x 105 m D.3.2 x 10-5 M O E. 3.2 x 10-10 M
QUESTION 24 Which is a net ionic equation for the neutralization of a strong acid with a strong base? HCl(aq) + NH3(aq) + NH4(aq) + Cl(aq) OB.H30(aq) + OH(aq) + 2 H2O() HF(aq) + NaOH(aq) = H2O()) + NaF(aq) OD. HF(aq) + OH-(aq) = H2000) + F(aq) QUESTION 25 Which of the following Bronsted-Lowry acids behaves as a strong acid when it is dissolved in water? O A HNO2 B. H3PO4 OC.H2504 OD.H2CO3 QUESTION 26 Which one of the following...
Classify HF as a strong or weak acid or base in aqueous solution. Weak base O Weak acid O Strong acid Strong base Which of the following is the correct molecular equation for the following reaction? HC2H302 (aq) Ba(OH)2 (aq) O 2 H (aq) + Ba(ОН)2 (s) +2 H20 ) +2 C2H302 (aq) +2 C2H302 Ba2+ (aq) (aq) Ba2+ (aq) 2 OH O 2 H(aq)+2 C2H302 (aq) Ba2 (aq) +2 C2H3O2 (aq)+ 2 H20 (aq) (1) +Ba(OH)2 (aq) O 2...
Question 27 (2 points) Saved Which of the following substituents will not direct the incoming group to the ortho/para position during electrophilic aromatic substitution? Oa) -OCOCH3 Ob) -COOCH3 Oc) -CH2CH3 Od) -N(CH3)2 Question 28 (2 points) Saved Provide the reagents necessary to carry out the following conversion. OH OH Br Br Br Oa) Br2, hn Ob) HBr (3 moles) O c) Br2, FeBr3 o d) Br2
Question 2. Which of the following is a strong electrolyte? О НЕ NICI O AS NH H.CO Question 3 1 pts 3. Based on the Solubility Table, which combination will produce a precipitate lie.solid? NOH gland HCl(a) NaCl(aq) and HC2H302 (aq NaOH and FINO), Lagl O NH CH and HCl al ANO, (a) and CC,H,Osh lan MacBook Pro E / R. Tru, 70FGHk. M. 4. What are the spectator ions when mix two aqueous solutions: KCl (aq) and AgNO, (aq)?...
I need help with figuring out question 6 and 7 Part 2: Molar AH neutralization STRONG ACIDS | Strong Acid HCI NO HSO4 1-23 -S3 L05 -94 -38 -304 /mol -65&slmol -S4 ks/mol Average HCOOH Part 2: Molar AH neutralization WEAK ACIDS Weak Acid CH3COOH 119 - 46 cla HPO4 - -10 414 -18 -17 - 23 -14 _-17 SI 39 -47kslmol -38 KS/mol -dak/mol Average Part 3: Molar AH reaction of metal + HCI Metal SO 49 Average -650...
4 and 5 D Question 4 Which of the following are strong electrolytes in aqueous solutions? Select ALL that apply. HNO3 NaOH H2C204 0 AgBr BaSO4 Question 5 Which of the following is the correct molecular equation for the following reaction? Mg(C2H2O2)2 (aq) +LI,CO3 ta → MgIC2H302)266) + LI2CO3(a) → MgCO3 tac + 2 UC2H502100) Mg(C2H5022 10. LI2CO3 --MgCO2 + 2 UC2H,2120 Miga (os) + CO2(g) → MgCO3) MgICH:02)260)+LICO3(e) MgCO3 100 + 2 UIC2H30215) Mg + 2C,H,O2 123 + 2...