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Question 8 (1 point) In the reaction below, which species is present in the solid state?...
9 Question 12 (1 point) In the following reaction, which species is present in the gaseous state? NaHCO3 (s) + HCl (aq) - --> NaCl (aq) + CO2 (g) + H20 (1) ✓ 12 A) HCl 15 B) CO2 OC) H20 18 D) NaHCO3
Question 53 9 pts The equilibrium constant (K) for the reaction below is best represented by: HNO3 (aq) + CaCo3 (s) 4 CO2 (g) + H20 (0) + Ca(NO3)2 (aq) O [H0] [Ca(NO3)2)/(HNO3] [Cacoal A K = [CO] (H2O) (Ca(NO3)2] / [HNO] [Caco] O K = (CO2) [Ca(NO3)2)/(HNO3] O K = [CO2] [H2O] (Ca(NO3)2)/(HNO3] OK - [CO] (Ca(NO3)2] / [HNO.) (Cocoa)
Identify the spectator ions in the reaction: 2HNO3(aq) + CaCO3(s)—-Ca(NO3)2(aq) + H2O(l) + CO2(8) O NO3 O Cat2 он" co3 Question 20 5 pts Which of the following is a strong electrolyte? A HNO3(aq) B.NH.NO3(aq) C. AI(NO3)3(aq) D. All of the above OA A&C
Identify the spectator ions in the reaction: 2HNO3(aq) +CaCO3(s) - Ca(NO3)2(aq) + H2O(1) + CO2(g) CO2 Cat2 е не NO;
QUESTION 1 What mass of NaCl is present in 0.50 L of a 0.7 M NaCl solution? O a. 0.35 g b. 20.5 g c. 19.6 g O d. 28.6 g O e. 3.5 g QUESTION 2 Identify the spectator ions in the following reaction. (aq) + 2Na (aq) + CO3 (aq)CaCO3(s)+ 2Na (aq) + NO3 (aq) Ca2 (aq)+ 2NO3 a. Na and NO3 + b.NO 3 Oc Ca2+ and CO 32 and CO 3 Od. Ca 2+ and Na...
In the reaction below, which species is oxidized? 3 K S(s) + 8 H(aq) + 2NO3(aq) →6K+(aq) + 3 S(s) + 2 NO(g) + 4 H20 Select one: O a. K+ O b.NO c. NO: O d. H o e. Ks In the reaction below, which species is oxidized? 3 K S(s) + 8 H+(aq) + 2NO3- (aq) → 6 K+(aq) + 3 S(s) + 2 NO(g) + 4 H20 Select one: O a. K+ O b.NO c. NO: od....
Question 1 (1 point) Balance the following reaction which occurs under acidic conditions. What is the balanced reaction? Ag (s) + NO3(aq) -- Ag+ (aq) + NO (g) O Ag (s) + 4 NO3- (aq) +8H* -- Ag+ (aq) + 4 NO(g) + 4 H20 (1) 3 Ag (s) + NO3- (aq) + 4H+ (aq)- 3 Ag+ (aq) + NO (g) + 2 H20 O Ag (s) + NO3(aq) + 4H+ -- Ag+ (aq) + NO (g) + 2 H20...
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...
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?...
46. Which species in the reaction below undergoes reduction? H2O(g) + CO(g) -H2(g) + CO2(g) a. H20 b.CO CH2 d. co2 e. None 47. Which species is reduced in the reaction below? (aq) + CIO (aq) + 10 (aq) + C (aq) a. b. H20 c.cr d. 10 e. CIO 48. Which of the following elements generally acts as an oxidizing agent? a. Br2 b.H2 c. Fed . C e. Li 49. What is the oxidation number of Fe in...