Balance the following equations: Na_2CO_3 + HCl NaCl + CO_2 + H_2O Cl_2 + KOH rightarrow...
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Balance each of the following chemical equations shown below: NH_ + HCl rightarrow NH_4Cl C_ H_ + O_2 rightarrow CO_2 rightarrow H_2O Sb + Cl_2 rightarrow SbCl_2 NI_3 rightarrow N_2 rightarrow I_2 Al_2(SO_)_2 + NaOH rightarrow Na_2SO_4 + Al(OH)_3
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
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For which of the following chemical equations are the stoichiometric coefficients of at least two substances the same when the equations is Na_3PO_4(aq) + AgNO_3 (aq) rightarrow Ag_3PO_4(s) + NANO_3(aq) C_3H_4(g) +O_2(g) rightarrow H_2O(g) + CO_2(g) H_3PO_4(aq) +Mg(OH)_2(s) rightarrow H_2O(J) + Mg_3(PO_4)_2(s) Which of the following chemical equations is NOT balanced? H_3PO_4(aq) -Al(OH)_3(s) rightarrow 3 H_2O(l) + AlPO_2(s)
Consider the following reaction: Ca(s) + 2 H_2O(l) rightarrow Ca(OH)_2(s) + H_2(g) Calculate the heat of reaction based on the following information: 2H_2(g) + O_2(g) rightarrow 2 H_2O(l) DeltaH = -572 kJ/mol CaO(s) + H_2O(l) rightarrow Ca(OH)_2(s) DeltaH = -64 kJ/mol CaCO_3(s) rightarrow CaO(s) + CO_2(g) DeltaH = +178.1 kJ/mol 2 Ca (s) + O_2(g) rightarrow 2 CaO(s) DeltaH = -1270 kJ/mol 13. Acetylene is used in blow torches, and bums according to the following equation: 2 C_2H_2(g) + 5...
Which of the following reagent(s) eves the reaction below (A) CH_2Cl (B) Cl_2/Fe (C) Cl_2/AlCl_3 (D) Cl_2/FeCl_3 (E) Cl_2/HCL Which of the following reagent(s) gives the reaction below (A) NaOH (B) KMnO_4/H_2O (C) Sn/HCL, then NaOH (D) CO_2/H^+ (E) O_2/HCl Which of the following reagent(s) gives the following transformation (A) CH_3COCI/AICI_3, then NaOH (B) CH_3COCl/AlCl_3, (C) CH__3CH_2Cl/AlCl_3, then NaBH_4 (D) CH_3CH_2Cl/AICI_2 then PCC (E) CH_3COCI/AICI_3 then NBS Which of the following reagents (a, b) gives the reactions below (A) a...
A 0.4647 g sample containing only carbon, hydrogen, and oxygen was burned to yield 0.8635 g of CO_2 and 0.1767 g of H_2 O. What is the empirical formula of the compound? Balance the following reactions: PCl_5 + H_2 O rightarrow POCl_3 + HCl H_2 SnCl_6 + H_2 S rightarrow SnS_2 + HCl Balance the following reactions: C_2 H_6 + O_2 rightarrow CO_2 + H_2 O Al_2 (SO_4)_3 + Ca(OH)_2 rightarrow Al(OH)_3 + CaSO_4
Indicate which of the following chemical reaction are redox reactions: a. 2Pbs + 3O_2 rightarrow 2PbO + 2SO_2 b. 2AgNO_3 + CuCl_2 rightarrow Cu(NO_3)_2 + 2AgCl c. CH_4 + 2O_2 rightarrow CO_2 + 2H_2 O d. FeCl_2 + 2NaOH rightarrow Fe(OH)_2 + 2NaCl e. 4Fe + 3O_2 rightarrow 2Fe_2 O_3
Consider the following unbalanced chemical equation. C_5H_12(l) + O_2(g) rightarrow CO_2(g) + H_2O(l) If 41.7 grams of pentane (C_5H_12) arc burned in excess oxygen, how many grams of H_2O will be produced? gH_2O
How many grams of oxygen are formed when 6.21 moles of KOH are formed? 4 KO(s) + 2 H_2O(l) rightarrow 4 KOH(s) + O_2(g) 19.9g 27.9g 49.7g 3.59g 11.7g Consider the following balanced reaction. How many grams of water are required to from 75.9g of HNO_3? Assume that there is excess NO_2 present. Molar masses: H_2O = 18.02g. HNO_3 = 63.02g. 3 NO_2(g) + H_2O(l) rightarrow 2 HNO_3(aq) + NO(g) 38.0g 21.7g 43.4g 10.9g 26.5g A 12.39g sample of phosphorus...
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For the reaction: Ca+H_2O rightarrow Ca(OH)_2 +H_2 First, balance the equations. WhAt is the final molarity of (OH^-) if 0.1 gr of ca is reacted completely iN 500 ml of wAter? Calculate the Number of moler of Cl^- in 1.75 L of a 10^-4 M ZnCl_2 solutioN._____moles. WhAt is the moler coNcentration of Cl^- iN this solutioN?_____M