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1: 3 SN > Question 5 (1 point) Which of the following equations is not balanced?...
+ Question Details Which of the following chemical equations is NOT balanced? O O O 2 NaOH(aq) + H2SO4(aq) → Na2SO4(aq) + 2 H2O(/) 3 H2SO4(aq) + 2 Al(OH)3(s) → 3 H2O() + Al2(SO4)3(aq) H3PO4(aq) + Al(OH)3(s) → 3 H2O(/) + AlPO4(s) 2 C6H1404(s) + 15 O2(g) → 14 H2O(g) + 12 CO2(g) + Question Details Which elements are gases at room temperature? Helium Chlorine Mercury Neon Aluminum Calcium Oxygen Tin
Question 10 4 pts Which process has AS > 0 (increase S)? A) H2O(g) + H2O(1) B) 2Hg(1) + O2(g) - 2HgO(s) C) CaO(s) + CO2(g) CaCO3(s) D) 2Na,O2 (s) + 2H2O(s) 4NaOH(aq) + O2 (g) o B Ос ОА OD 4 pts Question 11
Balance the following chemical equations. Write the word "Balanced" if the equation is already balanced. a) 2 H2(g) + O2(g) → 2 H20(1) b) 2NH3(g) + H2SO4(90) → (NH4)2SO4(94) Decomposition Reactions a) 2H2O2(0) → 2 H2O(l) + O2(g) b) "Balanced" CaCO3(s) → "Balanced" CaQ/s) + "Balanced" CO2(g) Single Displacement Reactions a) Mg(s) + 2HCl(aq) → MgCl2(aq) + H2(g) b) 2Nas) + 2H2O(1) ► 2NaOH(aq) + H2(g double Displacement Reactions a) AgNO3(aq) + NaCl(aq) → AgCl(s) + NaNO3(aq) “Balanced" b) H2SO4(aq)...
Question 2 (1 point) E Which is not a redox equation? H2SO4 + Na2CO3? Na2SO4 + CO2 + H2O 2H2 + O2 ? 2H2O all are redox equation:s NaClO + KMnO4 ? NaClO3 + KM nO2 Save Previous Page Next Page Page 2 of 20 enoVO ?>< 1? ?+ 6 8 0
Question 9 For which of these reactions will the difference between AH° and AEº be the greatest? NO(g) + O3(g) —+NO2(g) + O2(g) 4NH3(g) + 5O2(g) + 4NO(g) + 6H2O(g) 2C2H6(g) + 702(g) + 4CO2(g) + 6H20(1) 2H2O2(1) +2H2O(1) + O2(g) 0 CaCO3(s) CaO(s) +CO2(8)
3) Convert the following equations below to a net ionic equation and write it in the space provided. H2SO4 (aq.) + NaOH(aq.) → Na2SO4(aq.) + 2H2O(1) 4) Label the oxidation, reduction processes and oxidizing and reducin agents in the reaction given below a) Fe(s) + O2(g) → Fe2O3 (8) 3) Convert the following equations below to a net ionic equation and write it in the space provided. H2SO4 (aq.) + NaOH(aq.) → Na2SO4(aq.) + 2H2O(1) 4) Label the oxidation, reduction...
When the following equation is balanced, the coefficients are__C_8H_18 + O_2 rightarrow CO_2 + H_2O 2, 3, 4, 4 1, 4, 8, 9 2, 12, 8, 9 4, 4, 32, 36 Of the reactions below, which one is got a combination reaction? C + O_2 rightarrow CO_2 2Mg + O_2 rightarrow 2MgO 2N_2 + 3H_2 rightarrow 2NH_3 CaO + H_2O rightarrow Ca(OH)_2 2CH_4 + 4O_2 rightarrow 2CO_2 + 4H_2O
37. Which of the following equilibria would not be affected by pressure changes at constant temperature? a. CO2(g) + H2(g) = CO(g) + H2O(g) b.CO(g) + 302(g) =CO2(8) c. 2Hg(1) + O2(g) = 2HgO(s) d. 2H2(g) + O2(g) = 2H2O(1) e. CaCO3(s) CaO(s) + CO2(g)
Please answer the questions clearly, showing all working. 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) 1(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...
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...