If 3.5 moles of calcium carbide (CaC,) react with an excess of water, how many moles of acetylene (C,H,) will be produced? CaC, + H,O I Ca(OH), + C,H, How many grams of propane (C,H,) are needed to produce 5.0 moles of CO.,? C.H,+ 0,0 CO, + H,0 How many moles of ammonia (NH,) will be produced when 7.5 grams of N, react with excess hydrogen? N. + H, O NH,

If 3.5 moles of calcium carbide (CaC,) react with an excess of water, how many moles of acetylene (C,H,) will be produced? CaC, + H,O I Ca(OH), + C,H, How many grams of propane (C,H,) are needed to produce 5.0 moles of CO.,? C.H,+ 0,0 CO, + H,0 How many moles of ammonia (NH,) will be produced when 7.5 grams of N, react with excess hydrogen? N. + H, O NH,

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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#3
3Mg(NO,), + 2Na,PO, → 6NANO, + Mg,(PO,)2 If 105.73 grams of Na PO, (Sodium Phosphate) is reacted with excess Mg(NO,), (Magnesium Nitrate), then what mass (g) of NaNO, (Sodium Nitrate) will be formed? Show all work. 3 4
produce sodium amide, NaNH,(s). How many grams of sodium amide can be produced from 10.0 grams I1-42. Sodium reacts with anhydrous ammonia to in Al, 4. grams of sodium? 11-50. Phosphorus forms a compound similar to am- monia. The compound has the chemical formula PH, and is called phosphine. It can be prepared by the reaction described by the equation a P,(s) + 3 NAOH(aq) + 3 H,O (1) → PH,(g) +3 NaH,PO,(aq) If 20.0 grams of phosphorus and a solution contain- ing 50.0 grams of NaOH are reacted with H,O(l) in excess, how many grams of phosphine will be ob- tained?
n4 of 14 Consider the following reaction. heat 2 Fe, O, (s) + 3 C(s) → 4 Fe(s) + 3 CO,(g) 3. Calculate the number of grams of Fe,O, needed to react with 11.0 g C. Gmages mass of Fe, O,:
Cn.
Chlorine gas can be prepared in the laboratory by the reaction of hydrochloric acid with manganese(IV) oxide. 4 HCl(aq) + MnO,(s) → MNCI, (aq) + 2 H,O(1) + Cl,(g) A sample of 38.5 g MnO, is added to a solution containing 46.5 g HCl. What is the limiting reactant? HCI O MnO, What is the theoretical yield of Cl, ? theoretical yield: If the yield of the reaction is 81.1%, what is the actual yield of chlorine? & %24
The reaction of sodium metal with water has the following unbalanced equation. Na(s) + H2O(l) → NaOH(aq) + H2(g) When 0.1 moles of sodium is reacted with excess water ... A) 0.2 mol of water has reacted. B) 0.05 mol of hydrogen gas is formed. C) 0.2 mol of sodium hydroxide is formed. D) 0.1 mol of hydrogen gas is formed.
Q3. 2.027 g of Salicylic acid was mixed with excess acetic anhydride. (Show ALL steps and mathematical equations involved in calculations. Remember to label all steps clearly and use all appropriate units). a. Calculate the moles of Salicylic acid (provide all answers to 4 decimal places) (2) b. Calculate the theoretical yield of Acetylsalicylic acid (aspirin) in moles (provide all answers to 4 decimal places) (2) c. Calculate the theoretical yield of Acetylsalicylic acid (aspirin) in grams (provide all answers to 3 decimal places) (3) Given information: Salicylic acid: Molar mass of salicylic acid: C7H6O3 (7 x 12.01) + (6 x 1) + (3 x 15.99) = 24.07 + 6 + 47.97 = 132.04 g/mol Acetylsalicylic acid: Molar mass of acetylsalicylic acid: C9H8O4 (9 x 12.01) + (8 x 1) + (4 x 15.99) = 102.09 + 8 + 63.96 = 120.05 g/mol
5. How many grams of sodium fluoride are produced when 0.789 moles of fluorine reacts with sodium bromide? F, + 2NaBr - 2 NaF + Br,
Mow nany of cach atom are in the products? Mow may of cach atom are in the reactants? 2 a chlorine Fe Iron 2 a dhlorine 6 Fe iron Balanced oquation silver sulfur -> silver sulfide Ag Ag SAg Ag Ag Ag Ag Ag Ag Ag Ag S. Drewmere stver, How many of cach atom are in the reactants? How many of cach atom are in the products? Ag silver S sulfur Ag silver Ssulfur Balanced equation Conservation of Mass Draw enough molecules to conserve mass in each reaction luminum bromine -> aluminum bromide +.
8. Use the following equation for the following: ni 916 2siuosiom ynsm woll Mg3N2 + H₂O → Mg(OH)2 + NH3 20000.0 6 a. Balance the equation. IX IX. b. How many moles of NH3 are produced when 0.0425 moles of Mg3N2 are reacted? c. How many grams of H₂O are needed to form 6.31 x 10-5 moles of Mg(OH)2 ? d. How many molecules of H₂O are needed to react with 0.525 lbs Mg3N₂? e. How many kilograms of Mg(OH)2 are produced when 7.23 x 1027 molecules of NH3 are also produced? f. How many grams of Mg3N2 are needed to make 4.18 lb Mg(OH)2 ?
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