1. Zn(NO3)2 + H2SO4= ZnSO4 + 2HNO3 , sum= 5
2. C8H18O + 12O2 = 8CO2 + 9H2O , sum= 30
3. 2KClO3 = 2KCl + 3O2 ,sum = 7
4. B(OH)3 + 3HCl = BC3 + 3H2O , sum =8
When the following equations are balanced, what is the SUM of the coefficients? Don't forget the...
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...
Write the five equations (balanced and including states). Label them step 1 through 5. HINT gor the step 1 reaction: get rid of O2 and 2 moles of NO2 is made for every 4 moles of HNO3. Unbalanced reactions for each step: Step 1: HNO3(aq) + Cu(s) + O2 (g) → Cu(NO3)2(aq) + H2O(l) + NO2(g) Step 2: Cu(NO3)2(aq) + NaOH(aq) → Cu(OH)2(s) + NaNO3(aq) Step 3: Cu(OH)2(s) → CuO(s) + H2O(1) Step 4: CuO(s) + H2SO4(aq) → CuSO4(aq) +...
Balance each of the following skeletal equations: (a) Mg(s)+ O2(g) (b) Zn(s)+ AgNO3(aq) Zn(NO3)2(aq) + Ag(s) (c) C2H2(g)+O2(g) CO2(g) + H20(g) 5.38 MgO(s) odm(d) C12H22O11(s) +KCIO3(I) Constder the foll CO2(g) +H20(g) + KCI(s)
balance each of the following equations Fall 209 CHM 105.004 Exam 2 Answer all the question in order in the blue book. Plesse leave at least two lines between question and show your calculations for full credit. N-6.023 x 10” particles per mol: R 0.08.205 L-atm/(mol-K) b) Al2(PO4) 3 e) CuSO4-5 H2O 1. Calculate the molar masses of: a) (NH4)2SO4 2. Calculate: a) the number of atoms of calcium in a 10.50 g sample of the metal b) the mass...
Balance the following equations. (Use the lowest possible whole-number coefficients. These may be zero.) (a) Cr202-(aq) + NO2 (aq) = Cr3+ (aq) + NO3"(aq) Cr20,2- + NO3 + H+ + H2O= Cr3+ + NO3 + H+ + H20 (b) Mn04 (aq) + CH3OH(aq) Æ Mn2+ (aq) + HCO2H(aq) MnO4 + CH3OH + H+ + H2O= Mn2+ + HCO2H + H+ + H2O (c) ClO2(aq) + H2O2(aq) = C102 (aq) + O2(9) C102 + H2O2 + OH + H20 = ClO2...
When the following chemical reaction is balanced, what is the sum of the coefficients? Zn(C2H302)2 (aq) + Na3PO4 (aq) --> NaC2H302 (aq) + Zn3(PO4)2 (s)
When the equation below is balanced with the smallest set of coefficients, what is the coefficient of NH4NO3? ___Zn + ___HN03 ----> ___Zn(NO3)2 + ___NH4NO3 + ___H2O The answer is 1 but could someone please help me balance this equation I am having a hard time finding how the answer is 1 Question 19 0 out of 1 points When the equation below is balanced with the smallest set of coefficients, what is the coefficient of NH4NO3? Zn + HNO3...
31. + -10.1 points 0/4 Submissions Used Balance the following equations. (Use the lowest possible whole-number coefficients. These may be zero.) (a) CIO (aq) + 12() = Cl(aq) + 103 (aq) CIO + 12+ H H20 = + 103 + H+ H2O (b) NO3 (aq) + As2O3(s) = N2O3(aq) + H3ASO4(aq) NO3 + As2O3 + H+ + H20 = N203 + C H3A504 + H+ + H2O (c) Cro42-(aq) + N2H4(aq) = Cr(OH)3(s) + N2(9) croq²+ NaH4+ OH + H20...
Balance the following equations. (Use the lowest possible whole-number coefficients. These may be zero.) Balance the following equations. (Use the lowest possible whole-number coefficients. These may be zero.) (a) Cr2022(aq) + I (aq) = Cr3+ (aq) + 103 (aq) 1 Cr2O72- + 1 1 + 8 H+ + 1 X H20 = 2 Cr3+ + 1 103 + 1 X H+ + 4 H2O (b) CIO3-aq) + As(s) Æ HCIO(aq) + H3A5O3(aq) 3 CIO3 + 4 As + 3 H...
Indicate what type, or types, of reaction each of the following represents. (Select all that apply.) (a) 2 KIO3(s) – 2 KI(s) + 3 0,() acid-base combustion double displacement neutralization oxidation-reduction precipitation single-displacement (b) C3H60() + 4 O2(g) + 3 CO2(g) + 3 H2009) acid-base combustion double displacement neutralization oxidation-reduction precipitation single-displacement (c) Sn(NO3)2(aq) + H2SO4(aq) - SnSO4(s) + 2 HNO3(aq) acid-base (c) Sn(NO3)2(aq) + H2SO4(aq) + SnSO4(s) + 2 HNO3(aq) acid-base combustion double displacement neutralization oxidation-reduction precipitation single-displacement (d)...