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 iv
d. iii, iv and v
Which of the following equations are balanced? (i) 2 Al + 3 H2SO4 --> Al2(SO4)3 +...
Mixing 39.0g of Al(OH)3 with an excess of H2SO4 we produce Al2(SO4)3. Using the following equation answer the following: I have already balanced the equation from Al(OH)3+H2SO4---->Al2(SO4)3+H2O 2Al(OH)3 + 3H2504 → Al2(SO4)3 + 6H2O a. Determine and circle the limiting reagent for A12(SO4)3 (show all its calculations). b. Determine and circle the yielding theory for Al2(S04)3 (show all its calculations). of Al2(SO4)3 (show all its Determine the % of yield, if the experimental yield is 73.25 calculations). c.
Exchange reactions Write the balanced chemical equation including states of matter designations 1. Al2(SO4)3 and Li2CO3 2. Al2(SO4)3 and HNO3 3. Al2(SO4)3 and CH3CO2K 4. Al2(SO4)3 and SrCl2 5. Al2(SO4)3 and H2SO4
10. For the equation 2 H2SO4 + 2 Al → 2 H2 + Al2(SO4)3, suppose you wished to prepare 28.7 grams of H2. How many grams of H2SO4 and of Al would you require so that all of the H2SO4 and Al were combined?
Consider the reaction: 2 Al(OH)3 + 3 H2SO4 à Al2(SO4)3 + 6H2O. How many grams of Al2(SO4)3 are generated when 152 g of H2SO4 reacts? Show Work on Scratch Paper! O 530.g of Al2(SO4)3 O 1590 g of Al2(SO4)3 177 g of Al2(SO4)3 43.6 g of Al2(SO4)3 131 g of Al2(SO4)3
2 Al(OH)3 + 3 H2SO4 + 6H30+ Al2(SO4)3 How many grams of Al(OH)3 are required to completely convert 15.943 g of H2SO4 into Al2(SO4)3?
U)Why the copper wire and the crystals that were formed were washed with acetone and put aside? Balancing Chemical Equations 1. NaBr + Cl2 = NaCl + Br2 2. H2SO4 + B(OH)3 = B2(SO4)3 + H2O 3. Agl + Fe2(CO3)3 = Fel3 + Ag,CO, 4. Na2CO3 + HCI = NaCl + CO2 + H2O 5. Ca(OH)2 + H2SO4 = Casos + H20 6. Zna(PO4)2 + Li2CO3 = ZnCO; + LisPO. 7. Baz(PO4)3 + PbO = Pb(PO4)3 + Bao 8. C8H18...
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...
Sulfuric acid (H2SO4) dissolves Aluminum metal according to the reaction: 2 Al(s)+ 3 H2SO4(aq) → Al2(SO4)3(aq) + 3 H2(g) Suppose you want to dissolve an Aluminum block with a mass of 15.2 g. What minimum mass of H2SO4 (in g) do you need? What mass of H2 gas (in g) can the complete reaction of the aluminum block produce? Please Show Work
Write the molecular, ionic, and net equations of the 5 following reactions. (Must be balanced if not already balanced) Cu2+ (s) + 2HNO3 (l) --> Cu(NO3)2 (s) + NO-2 (?) + H2O (l) Cu(NO3)2 (l) + NaOH (?) --> Cu(OH)2 (?) + NaNO3 (?) Cu(OH)2 (aq) --> CuO (s) + H2O (l) CuO (s) + H2SO4 (s) --> CuSO4 (aq) + H2O (l) CuSO4 (aq) + Mg2+ (s) --> MgSO4 (aq) + Cu2+ (s) I have placed question marks for...
Question 3 2.5 pts Which of the following are oxidation-reduction reactions? I. PCI; + Cl2 → PCI II. Cu + 2AgNO3 → Cu(NO3)2 + 2Ag CO2 + 2LiOH Li CO3 + H2O IV. FeCl2 + 2NaOH - Fe(OH)2 + 2NaCl III. I, II, III, and IV I and II o III I, II, and III IV