2. Balance the following equations: a. C + O2 → CO
b. CO + O2 → CO2
c. Na + H2O → H2 + NaOH
d. Zn + HCl → ZnCl2 + H2
e. NaOH + H2SO4 → H2O + Na2SO4
f. NH3 + CuO → Cu + N2 + H2O
1. Balance the following equations and classify the reaction by type (i.e. decomposition etc.) Reaction type a. CH12 + HCI CHCI b. HI → H2 + 12 c. FeCl3 + Na.co; ► Fez(CO3)+ NaCl d. HzAsO4 + NaOH → NasAsos + H2O e. CH10+ 02 → CO2 + H2O f. Cu + O2 → Cuo 8. HgO Hg + O₂ h. H20 Hz + O2 i. BaCl2 + Na2S → Bas + NaCl j. Na + H2O → NaOH +...
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...
Which of the following equations are balanced? (i) 2 Al + 3 H2SO4 --> Al2(SO4)3 + 3 H2 (ii) Cl2 + NaI --> NaCl + I2 (iii) C2H6O + 7 O2 --> 2 CO2 + 3 H2O (iv) 3 Cu + 7 HNO3 --> 3 Cu(NO3)2 + 2 NO + 4 H2O (v) 2 NH3 + 3 CuO --> 3 Cu + 3 H2O + N2 Select one: a. i, iii and v b. i and v c. iii and...
Complete and balance the unfinished equations: A) Cu(s) + 4HNO3(aq) ? Cu(NO3)2(aq) + 2NO2(g) +2H20(l) B) Cu(NO3)2(aq) +NaOH(aq) ? ? C) Cu(OH)2(s) ? CuO(s) + H2O(l) D) CuO(s) + H2SO4(aq) ? CuSO4(aq) + H2O(l) E) CuSO4(aq) + Zn(s) ? ?
Balance these chemical equations. (Use the lowest possible whole number coefficients.) (a) Ga + H2SO4 → Ga2(SO4)3 + H2 (b) AgCl2 + H2 → Ag + HCl (c) CuCl + H2 → Cu + HCl (d) C6H5OH + O2 → CO2 + H2O (e) Fe + O2 → FeO (f) NaNO3 → NaNO2 + O2
* Balance and characterize the following reactions HCl + Mg(OH)2 ===> MgCl2 + H2O Na3PO4 + CaCl2====> Ca3(PO4)2 + H2O N2 + H2 ====> NH3 C8H18 + O2===> CO2 + H2O CuCl2 + NaOH===> Cu(OH)2 + NaCl NaHCO3 ===> CO2 + Na2CO3
Balance these chemical equations. (Use the lowest possible whole number coefficients.) (a) C4H10 + O2 → CO2 + H2O (b) Pb(NO3)2 → PbO + NO2 + O2 (c) N2H4 + O2 → H2O2 + N2 (d) NH3 + O2 → NO2 + H2O (e) NH3 + O2 → N2 + H2O (f) Fe(OH)2 + O2 + H2O → Fe(OH)3
37. Balance the following equations: a. PbO2(s) —>PbO(s) + O2(g) b. Fe(OH)3(s) —>Fe2O3(s) +H2O(s) C. (NH4)2CO3(s) —>NH3(g)+H20(g) + CO2(g) d. CaCl2(aq) + H2SO4(aq) — CaSO4(s) + HCl(aq) 761
Balancing Equations Balance the following chemical equations. Sicla(l)+ SiO (s)HCl(aq) 2. As 3 NaOH NaOH H2 3. Ha Au + н,s но-> voC+ H20 5. -Hg(OH)2 + H3PO4 H20 SiO2 + HF→ SiF4 + -ho 7. 2 Zn Ha → ZnClz + H2 8. HCIO4 02(g)HO HNOs(aq) NH4NO3 ut Chemistry http://chemistry.about.com Balancing Equations Balance the following chemical equations но 2. cr→ Naa 3.4 A1 +302 -Al2O3 NH3 5. CO(g) + HO 6. FeO3(s) +-- CO(g) → Fel)+ CO2(9) 7. HSO_...
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...