Which of the following equations does not represent a
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Chemistry
- Which of the following is/are redox reaction/s? (Choose all that applies.) O 2NH3(g) → N2(g) + 3H2(g) O Cu(NO3)2(aq) + Zn(s) → Zn(NO3)2(s) + Cu(s) O CaO(s) + CO2(s) → CaCO3(s) O CaBr2(aq) + H2SO4(aq) → CasO4(s) + 2HB1(g) O 2NACI(aq) + Pb(NO3)2(aq) → PbCl2(s) + 3NANO3(s)arrow_forward(Incorrect) Consider the following redox reaction: Bi(OH)3(s) + Sn(OH)3(aq) → Sn(OH)²-(aq) + Bi(s) - (basic) What is the coefficient of Sn(OH)3 when the equation is balanced using the smallest whole number coefficients? 6 (Your answer) 5 2 3 (Correct answer) 1arrow_forwardThe reaction below is a redox reaction. HCI(aq) + NaOH(aq) -> H2O(1) + NaCl(aq) True Falsearrow_forward
- Part A Which of the following reactions are redox reactions? Check all that apply. • View Available Hint(s) O 4Li(s) + O2(g)→2L12O(s) O Ca(s)+ Fe?+ (aq)→Ca?' (aq) + Fe(s) O Sr(NO3)2 (aq) + Na2SO4 (aq)→ SrSO4 (s) + 2NANO3(aq) O HBr(aq)+KOH(aq)→H2O(1) + KBr(aq)arrow_forwardDecide whether a chemical reaction happens in either of the following situations. If a reaction does happen, write the chemical equation for it. Be sure your chemical equation is balanced and has physical state symbols. situation chemical reaction? chemical equation A strip of solid nickel metal is put into a beaker of 0.095M FeSO4 solution. yes[] no [] A strip of solid iron metal is put into a beaker of 0.041M NiCl2 solution. yes [] no []arrow_forwardThe reaction HCl (aq) + Na2CO3 (aq) —> NaCl (aq) + H2O (l) + CO2 (g) involves changes in oxidation number and is therefore classified as a redox reaction. A)true B)falsearrow_forward
- C(s) + O2(g) ➡️ CO2 (g) Redox yes or noarrow_forwardWhich of the following reactions are redox reactions? Check all that apply. SO3(g)+H2O(l)→H2SO4(aq) Mg(s)+Br2(l)→MgBr2(s) 4K(s)+O2(g)→2K2O(s) Al(s)+3Ag+(aq)→Al3+(aq)+3Ag(s)arrow_forwardWhich of the following reactions will NOT occur? (Select ALL correct answers.) A) Mg + Al(NO3)3 B) Zn + Mn(NO3)2 C) NaBr + Cl2 D) NaCl + I2arrow_forward
- 27) Which of the following is a redox reaction? A) Zn(s) + 2 HCI(aq) → ZnCl2(aq) + H2(g) B) ZnSO4 (aq) + Hg2(NO3)2(aq) → H92SO4(s) + Zn(NO3)2(aq) C) HNO3(aq) + KOH(aq) → KNO3(aq) + H2O() 28) Which of the following is an acid-base reaction? A) HCIO4(aq) + NaOH(aq) → NacIO4(aq) + H2O(O B) Mg(s) + 2HCI(aq) → MgCl2(aq) + H2(g) C) Pb(NO3)2(aq) + 2KI(aq) → Pbl2(s) + 2KNO3(aq)arrow_forwardFor the redox reaction given below complete the following: 4Al (s) + 3O2(g) → 2Al2O3 (s) (a) What is the oxidation no. of O in O2? Answer 1 (b) What is the oxidation no. of Al in Al2O3 Answer 2 (c) Find the element oxidized Answer 3 (d) Find the element Reduced Answer 4 (e) Find the Oxidizing Agent Answer 5 (f) Find the Reducing Agent Answer 6arrow_forwardIndicate what type, or types, of reaction each of the following represents. (Select all that apply.) (a) KBrO4(s) → KBr(s) + 2 O2(g) _acid-base _combustion _double displacement _neutralization _oxidation-reduction _precipitation _single-displacement (b) C2H6O(l) + 3 O2(g) → 2 CO2(g) + 3 H2O(g) _acid-base _combustion _double displacement _neutralization _oxidation-reduction _precipitation _single-displacement (c) Pb(NO3)2(aq) + H2SO4(aq) → PbSO4(s) + 2 HNO3(aq) _acid-base _combustion _double displacement _neutralization _oxidation-reduction _precipitation _single-displacement (d) B(OH)3(aq) + 3 HCl(aq) → BCl3(aq) + 3 H2O(l) _acid-base _combustion _double displacement _neutralization _oxidation-reduction _precipitation _single-displacementarrow_forward
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