silver conducts an electric current Balance the following equations: 5. C2H6002 CO2 +3H20 +O2 8. Cu...
Balance each of the following skeletal equations: (a) Mg(s)+ O2(g) (b) Zn(s)+ AgNO3(aq) Zn(NO3)2(aq) + Ag(s) (c) C2H2(g)+O2(g) CO2(g) + H20(g) 5.38 MgO(s) odm(d) C12H22O11(s) +KCIO3(I) Constder the foll CO2(g) +H20(g) + KCI(s)
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...
Balance the following equations (stoichiometric reactions):
C8H18 + 12.5 ( O2 + 3.76 N2 ) = CO2 + N2 + H2O
C12H26 + 18.5 ( O2 + 3.76 N2 ) = CO2 + N2 + H2O
C2H4 (OH)2 + O2 = CO2 + H2O
1. Balance the following equations (stoichiometrical reactions): a). C3H18 (8) + 12.5 (02 + 3.76 N2) (8) → CO2 (8) + N2 (9) + H2O (8). b). C12H26 (g) + 18.5 (02 +3.76 N2) (8) +...
Balancing Equations Balance the following chemical equations. H2 Fe CO2 2. H0 + Ho Sn+ SnO2 + +H2 5. NH3 + -NO HNO3 H2CO3 → KNO3+ HBr HNO3 B(NO3)+ 7. LIF 8. 9.(NH)POPb(NO) Se02 Cl 10 SeCl6 + 02 http:/ichemistry about.comm About Chemistry
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?...
Balance the following equations. (Use the lowest possible whole number coefficients. Include states-of (2) AIHz(8) + H2O(l) + Al(OH)3(8) + Hz(9) (6) Nb(NO3)(s) Nb2O3(s) + NO2(g) + 02 (9) (C) CH3NH2(g) + O2(g) + CO2(g) + H2O(l) + N2 (9) Submit Answer Try Another Version 10 item attempts remaining
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_...
Predict the product(s) of the following equations. Balance the
equations, and classify each of the reactions type. Please type the
answer or write with clear handwriting.
1 Pb(NO3)2 + Na2CO3 → 2. C4H10 02 3. Zn + CuSO4 Heat CaCO3 5. Na H20 6. Ca 02 7. MgSO4 LiOH 8. A1 - NiS04 → 9. SO2 + H20- Heat 10. HgO
Balance the following equations. (Use the lowest possible whole-number coefficients. These may be zero.) (a) Cr202-(aq) + NO2 (aq) = Cr3+ (aq) + NO3"(aq) Cr20,2- + NO3 + H+ + H2O= Cr3+ + NO3 + H+ + H20 (b) Mn04 (aq) + CH3OH(aq) Æ Mn2+ (aq) + HCO2H(aq) MnO4 + CH3OH + H+ + H2O= Mn2+ + HCO2H + H+ + H2O (c) ClO2(aq) + H2O2(aq) = C102 (aq) + O2(9) C102 + H2O2 + OH + H20 = ClO2...
31. + -10.1 points 0/4 Submissions Used Balance the following equations. (Use the lowest possible whole-number coefficients. These may be zero.) (a) CIO (aq) + 12() = Cl(aq) + 103 (aq) CIO + 12+ H H20 = + 103 + H+ H2O (b) NO3 (aq) + As2O3(s) = N2O3(aq) + H3ASO4(aq) NO3 + As2O3 + H+ + H20 = N203 + C H3A504 + H+ + H2O (c) Cro42-(aq) + N2H4(aq) = Cr(OH)3(s) + N2(9) croq²+ NaH4+ OH + H20...