(SHOW CALCULATIONS) What mass of Al(s) can be formed from 20.0 g of Al2O3(s) and 50.0 g of C(s) by the following reaction? Al2O3(s) + 3C(s) 2Al(s) + 3CO(g)
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- 1. The balanced equation for You can respond once CH5N (g) + O2(g) Show work, don't give Handwritten answer CO2(g) + H2O(l) + N2(g) ⇒ 4 CO2(g) + 10 H2O(l) +2 N2(g) 2(g) 2 CO2(g) +5 H2O + N20 4 CH5N) + 902 (g) 2 CH5N (g) + 402(g) 4 CH5N (9) +802(g) 2 CH5N (g) +50. 2(g) N2(g) 4 CO2(g) +5 H2O (1) + 2 N2(g) > 4 CO2(g) + 5 H2O(l) + 2 N2(g)Page < 2 of 2 ZOOM + 7. Write balanced chemical eqess | esc | to exitTO Screen ctions. a. production of ammonia, NH3(g), by combining N2(g) and H2(g) b. production of methanol, CH3OH(1), by combining H2(g) and CO(g) c. production of sulfuric acid by combining sulfur, oxygen, and water 8. Diborane and related compounds were proposed as rocket fuels in the 1950s. A representative reaction for this class of molecules is that of B2H6 and O2 to form B2O3 and H2O. Write the balanced chemical equation for this process. 9. Silicon nitride, Si3N4, is used as a reinforcing fiber in construction materials. It can be synthesized from silicon tetrachloride and ammonia. The other product is ammonium chloride. Write the balanced chemical reaction for this process. 10. Classify the following compounds as electrolytes or nonelectrolytes: a. potassium chloride, KCl b. hydrogen peroxide, H2O2 c. methane, CH4 d. barium nitrate, Ba(NO3)2The complete combustion of 0.32 moles of propane, C3H8, wil C3H8(g) + 5 02(g) --> 3 CO2(g) + 4 H2O(g)
- om O signed (5) - Saved Search (Alt + Q) es Review View Help Editing v A A U Dv Av Ao = 2H2O) N.B. The formula for a compound cannot be altered in order to balance the equation. Balance these equations yourself. 1. N2 (e + H2 () > NH3 (g) 2. Ag20 (s) Ag (s) + 3. P (s) + 02 (g) > P2Os (s) 4. CaH& (8) + O2 (g CO2 (g) + H20 (6) Marking Guide /1. pes of reactions. O.Predict the products of the combustion of n-hexane (C3H14) and balance the equation. _C6H14(g)+_O2(g)-->_(g)+_(g)3. Based on the reactions: 1. 2H,S) + 302 (g)→2SO2 (g) + 2H;O AH1 =- 1035.94 kJ 2. 2SO3 (2) →2S02 (2) + O2 (g) AH2 =+197.78 kJ 3. 2H,Sg) + O2 (g)→2S¾) + 2H;O[g) AH3 = +110.02 kJ Use Hess's law to calculate H for: 2S(5) + 302 (2)→2SO3 (g)
- 3. Using this data, calculate a value for Kc for the reaction, A. 2.06 x 104 B. 4.84 x 10-3 C. 0.223 D. 4.49 E. 20.2 2 NO(g) + Cl₂(g) 2. NOCI(g) Kc = 3.20 x 10-³ 2 NO2(g) 2 NO(g) + O₂(g) Kc = 15.5 4. Using the data, NOCI(g) + 1/2O2(g) NO2(g) + ½ Cl₂(g) 3 A (g) + 4 B (g) A3B4 (g) calculate a value for Kc for the reaction, 3 A (g) + 4 B -A3B4 (g) 2 AB (g) + AB2 (g) (g) Kc = 25 Kc = 3.75 2 AB (g) + AB2 (g)6 CO2 + 6 H2O→ 6 O2 + C6H12O6; A) Determine the moles of CO2 used to make 100 moles of C6H12O6. B) Determine the moles of O2 produced when 100 moles of C6H12O6 is produced.Ethanol (C,H O) is combusted in air according to the following reaction: C,H,O(1) + O,(g) –→ CO,(g) + H,0(I) How many grams of water would be produced by the complete combustion of 5.07 moles of ethanol in the presence of excess oxygen? + MacBook Pro 888 こニ。 esc & # $ @ 7 2 3 4 R Y Q W E ab F А lock C V option command ontrol cの つ つ エ
- What is true for this chemical reaction: CO₂(g) + 4H₂(g) = CH₂(g) + 2H₂O(g)? Select an answer and submit. For keyboard navigation, use the up/down arrow keys to select an answer. a AHxn>0; ASrxn > 0 b C d AHrxn 0 AHrxn < 0; ASrxn < 0 AHxn 0; ASxn < 0Page of 2 + ZOOM 1. Balance these equations. a. Al(s)+O2(g)¬→Al½O3(s) b. N2(g)+H2(g)→NH;(g) c. C,H6(1)+O2(g)→H2O(1)+CO2(g) 2. Balance the following equations. а. СаС2(8)+Н-О() --Са(ОН)2(s)+СH-(g) b. (NH4)2Cr2O7(s)→Cr2O3(s)+N2(g)+H2O(g) c. CH;NH2(g)+02(g)→CO2(g)+N2(g)+H2O(g) 3. An explosive whose chemical formula is C;H,N6O6 produces water, carbon dioxide, and nitrogen gas when detonated in oxygen. Write the chemical equation for the detonation reaction of this explosive. 4. A number of compounds are used in cement, and reactions among them occur when water is added. In one, CaO reacts with Al2O3 and water to form Ca3Al2(OH)12. Write a balanced chemical equation for this process. 5. Ethanol, C2H5OH, is found in gasoline blends used in many parts of North America. Write a balanced chemical equation for the combustion of C2H5OH to form CO2 and H2O. 6. Balance the following equations. a. reaction to produce "superphosphate" fertilizer: Ca3(PO4)2(s)+H2SO:(aq)→Ca(H,PO4)2(aq)+CaSO4(s) b.…[Review Topics] [References] "Smelling salts," which are used to revive someone who has fainted, typically contain ammonium carbonate, (NH4)2CO3. Ammonium carbonate decomposes readily to form ammonia, carbon dioxide, and water. The strong odor of the ammonia usually restores consciousness in the person who has fainted. The unbalanced equation is (NH4)2CO3 (8)→ NH3(g) + CO₂(g) + H₂O(g) Calculate the mass of ammonia gas that is produced if 0.850 g of ammonium carbonate decomposes completely. g NH3 Submit Answer Mastered Retry Entire Group 8 more group attempts remaining Previous Next Save and Exit