Balanced equations are-
a. 2 PbO2 = 2 PbO + O2
b. 2 Fe(OH)3 = Fe2O3 + 3 H2O
c. (NH4)2CO3 = 2 NH3 + H2O + CO2
d CaCl2 + H2SO4 = CaSO4 + 2 HCl
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)...
Balance the following equations and determine which type of reaction is occurring. 1. (NH4)2CO3 (s) →NH3+H2O+CO2 (g) 2. Zn (s) +H3C6H5O7 (aq) →Zn3(C6H5O7)2 (aq) + H2 (g) 3. Zn(C2H3O2)2 (aq) + Na3PO4 (aq) → NaC2H3O2 (aq) + Zn3(PO4)2 (s)
Balance the following chemical equations using the smallest whole number coefficients. PbO2(s) → PbO(s) + O2(g) SO2( Balance the following chemical equations using the smallest whole number coefficients. PbO2(s) → PbO(s) + O2(g) SO2(g) + O2(g) → SO3(g) H2(g) + Br2(g) → HBr(g) g) + O2(g) → SO3(g) H2(g) + Br2(g) → HBr(g)
Balance the followiing equations and determine which type of reaction is occurring. 1._(NH4)2CO3 ()->NH3+H2O+CO2 (9) 2. Zn(s) +H3CeHsO7 (ag)-Zn3(CeH 5O7)2 (a) + H2 (g) 3. Zn(C2H3O2)2 (ac)+ Na3PO4 (aa) NaC2H3O2 (a) Zn3(PO4)2 (s)
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_...
12, 18 thank you - - _12) Numerical coefficients that correctly balance the reaction, Fe + H20 Fe3O4 + H2 are, A) 3,4, 1,4 B) 3, 1, 4,4 C) 3, 5, 2,4 D) 1.3, 4,4 13) The word equation "calcium reacts with chlorine to produce calcium chloride" would be represented by which of the following formula equations? (a) CaCl2 +CaCl2 (b) CaCl2 Ca+ Cl2 (c) CaCl2 +CaCl2 (d) Ca+ Cl2 -CaCl2 _14) Which of the following is a decomposition reaction?...
c) For the equation (NH4)2CO3 → CO2 + H2O + NH3, if 4.01 moles of (NH4)2CO3 reacted, what is the theoretical yield of CO2? d) For the equation N2H4 + NH3 + N2, if the theoretical yield is 28.0 grams of N2, what mass in grams of N2H4, would have to react? e) For the equation FeS + HCl → FeCl2 + H2S, if 35.0g of FeS is added to 35.0g of HCI and allowed to react, what is the...
15. Determine the standard enthalpy of formation of Fe2O3(s), 2Fe(s) + 1.5 02 (g) → Fe2O3(s) given the thermochemical equations below. (4 points) AFH° = +160.9 kJ/mol-rxn Fe(s) + 3 H20(8) - Fe(OH)3(s) + 3/2 H (9) H2(g) + 1/2 O2(g) → H2O(6) Fe2O3(s) + 3 H2O(0) - 2 Fe(OH)3(8) A-H° = -285.8 kJ/mol-rxn A,Hº = +288.6 kJ/mol-rxn
Balance the following equations and determine which type of reaction is occurring. 1. (NH4)2CO3 (6)-NH3+H2O+CO2 ()
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...
1(i). Balance the following equations, and then write the net ionic equation (a) (NH4)2CO3(aq) + Cu(NO3)2(aq) → CuCO3(s) + NH4NO3(aq) (b) Mg(OH)2(s) + HCl(aq) → MgCl2(aq) + H2O(l) (c) BaCO3(s) + HBr(aq) → BaBr2(aq) + H2O(l) + CO2(g) (ii). For each reaction equation, identify the driving force of the reaction 2. What is an electrolyte? How can you experimentally differentiate between a weak electrolyte and a strong electrolyte? Name and give the formulas of a strong electrolyte and a weak...