Chemotry Review Name Chemistry: Stoichiometry Practice Part 1: BALANCE the following equations and then write the mole ratios. The first one has been done for you. 1. 2 KC103 → 2 KCI + 3 O2 2 moles KC103 = 2 moles KCI 2 moles KCl = 2 moles KCIO3 %3D %3D 2 moles KC103 = 3 moles O2 3 moles O2= 2 moles KC103 2 moles KCl= 3 moles O2 3 moles O2 = 2 moles KCl %3D %3D 2. FeS2 + O2 > Fe2O3 + SO2 CaO + Al » Al2O3 + NHW 2M 29/0N →_Cu(NO3)2 + Cu + AgNO3 - Ag 4. 3.

Chemotry Review Name Chemistry: Stoichiometry Practice Part 1: BALANCE the following equations and then write the mole ratios. The first one has been done for you. 1. 2 KC103 → 2 KCI + 3 O2 2 moles KC103 = 2 moles KCI 2 moles KCl = 2 moles KCIO3 %3D %3D 2 moles KC103 = 3 moles O2 3 moles O2= 2 moles KC103 2 moles KCl= 3 moles O2 3 moles O2 = 2 moles KCl %3D %3D 2. FeS2 + O2 > Fe2O3 + SO2 CaO + Al » Al2O3 + NHW 2M 29/0N →_Cu(NO3)2 + Cu + AgNO3 - Ag 4. 3.

Introductory Chemistry: A Foundation

9th Edition

ISBN:9781337399425

Author:Steven S. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Donald J. DeCoste

Chapter9: Chemical Quantities

Section: Chapter Questions

Problem 18ALQ: You have seven closed containers each with equal masses of chlorine gas (Cl2). You add 10.0 g of...

See similar textbooks

Similar questions

Given the reaction shown below, balance it and select the correct statement:Na2CO3+AlCl3→Al2(CO3)3+NaClNa2CO3+AlCl3→Al2(CO3)3+NaCl Answer Choices: A. 2 moles of Na2CO3Na2CO3 are needed to produce 6 moles of NaCl B. 2 moles of AlCl3AlCl3 are needed to produce 3 moles of Al2(CO3)3Al2(CO3)3 C. 1 mole of Na2CO3Na2CO3 is needed to react with 2 moles AlCl3AlCl3 D. 3 moles of Na2CO3Na2CO3 are needed to react with 1 mole of AlCl3AlCl3 E. 2 moles of AlCl3AlCl3 are needed to react with 3 moles Na2CO3Na2CO3
SHOW ALL WORK FOR PROBLEMS BELOW. ALSO USE CORRECT SIG FIGS. 2.) Stoichiometry - Mole to Mole conversions a. How many moles of O2 are required to react with 6.75 moles of C2H6? 2C2H6 + 7O2 ----> 4CO2 + 6H2O b. How many moles of O2 are produced by 6.75 moles of KClO3 2KClO3 ------> 2KCl + 3O23. Stoichiometry - Equimolar Reactions a. How many grams of Cl2 is needed to react with 20.0 grams of P4 P4 + 6Cl2 ----> 4PCl3 b. How many grams of H2O is needed to react with 20.0 grams of P4O10 P4O10 + 6H2O -----> 4H3PO44.) Stoichiometry - gram to gram. A student carried out the reaction shown by reacting 10.0g P4 with excess Cl2 and obtained 35.0g of PCl3. P4 + 6Cl2 ----> 4PCl3. a. What is the theoretical yield of PCl3 ? b. Calculate the % yield of PCl35. Stoichiometry - Grams to Grams - Determination of Limiting Reactant For the following reaction, 20.0 grams of Fe2O3 was reacted with 20.0 grams…
Please answer #1 with part a-e. Show demensional analysis work please. 1. Combustion of hexane: 2C6H14 (g) + 19O2 (g) --> 12CO2 (g) + 14H2O (g) a. Balance the reaction by writing the correct coefficients in front of the reactants and products. b. If you started with 7.77 moles of hexane, how many moles of carbon dioxide could be produced? c. If you started with 8.11 grams of hexane, how many moles of carbon dioxdie could be produced? d. How many grams of oxygen gas are needed to react with 25.0 moles of hexane? e. What mass of water vapor, in kg, could be produced from combustion of 55.3 kg of hexane?
Refer to the reaction below in which two compounds, Hydrazine and Dinitrogen tetroxide combine to yield nitrogen gas and water. 2 N2H4(g) + N2O4(g) + 3N2(g) + 4 H2O(g) a. When 0.25 moles of N2H4 reacts with excess N2O4 what is the mass of H2O that is produced? Video: b. If the actual mass of water formed is 6.30 grams what is the percent yield?
Please answer part B Part A) Balance the chemical reaction equation P4(s)+Cl2(g)→PCl5(g)P4(s)+Cl2(g)→PCl5(g) Enter the coefficients in order, separated by commas (e.g., 1,2,3). =1,10,4 Part B)How many moles of PCl5 can be produced from 30.0 g of P4 (and excess Cl2)? Express your answer to three significant figures and include the appropriate units.
Mole Ratio Worksheet All the following chemical reactions are balanced, please write your mole ratios like this 1:2, and ½ both ways. This is important in the future. Here’s a video in case you need help, or missed the lecture notes, lecture, and practice problems. https://www.youtube.com/watch?v=c9beXPzJ-Fs Step 1) RTFQ- read the funny question, circle the known (what I know), and what you need (what I want to know). Step 2) Set up DA, your KNOWN in the top left box, then cancel the units till you get the unit you want. Step 3) Do the math= calculate __Zn + 2HCl __ZnCl2 + __H2 balanced equation.a. How many moles of hydrogen are produced from the reaction of three moles of zinc? 1.Mole to mole prob, therefore set up mole ratio 2.Set up DA______________= 3.math How many moles zinc are needed to produce 3.5 moles of zinc chloride? Mole to mole prob, therefore set up mole ratio 1.Mole to mole prob, therefore set up mole ratio 2.Set up DA______________= 3.math How…
5.A student obtained 11.4 g of PbSO4 from the following reaction. The student added 15 g of Lead (II) nitrate to 15 g of Sodium sulfate. Pb(NO3)2 + Na2SO4 --> PbSO4 + 2NaNO3 What is the percent yield of the PbSO4 the student obtained from the reaction? _____ % use roadmap mass-moles-mole ratio-moles-mass
Stoichiometry (answer all please) 4. The fermentation of glucose produces ethyl alcohol and carbon dioxidea. How many moles of CO 2 are produced when 0.400 mol of glucose reacts in thisfashion?b. How many grams of glucose are needed to form 7.50 g of ethyl alcohol?c. How many grams of carbon dioxide form when 7.50 g of ethyl alcohol areproduced? 5. Aluminum hydroxide reacts with sulfuric acid. Which reagent is the limiting reactantwhen 0.450 mol aluminum hydroxide and 0.550 mol sulfuric acid are allowed to react?How many moles of aluminum sulfate can form under these conditions? How manymoles of excess reactant remain after the completion of the reaction? 6. Sodium hydroxide reacts with carbon dioxide. Which reagent is the limiting reactantwhen 1.70 mol sodium hydroxide and 1.00 mol carbon dioxide are allowed to react?How many moles of sodium carbonate can be produced? How many moles of theexcess reactant remain after the completion of the reaction?
A chemistry student performed the reaction: SnCl4(l) + 2H2Se(g) -> SnSe2(s) + 4HCl(g) in lab. The student started with 0.34 moles of SnCl4 and 0.46 moles of H2Se. The amount of HCl(g) actually produced by the student was 0.26 moles of HCl. a. what is the limiting reagent? b. what is the % yield for this reaction?
Balance the reaction shown below: C2H6+O2→CO2+H2OC2H6+O2→CO2+H2O Once balanced, given 0.826 moles C2H6C2H6, calculate the moles of H2OH2O produced. A. 2.48 B. 1.65 C. 0.275 D. 0.413 E. 0.826
I need help with a chemistry equation: Answer the following questions about the following reaction. 2H2O2 → 2H2O + O2If 50.0 grams hydrogen peroxide produce 15.0 g oxygen, what is the percent yield for this reaction? Answer format: 73.8 % ______________________
Stoichiometry answer all please 1. Balance this equation:C 2 H 5 OH (l) + O 2(g)  CO 2(g) + H 2 O (g)a. Interpret the equation in terms of numbers of molecules and moles.b. Show that the balanced equation obeys the law of conservation of mass. 2. Isopropyl alcohol (C 3 H 7 OH) burns in air according to this equation:C 3 H 7 OH (l) + O 2(g)  CO 2(g) + H 2 O (g)a. Calculate the moles of oxygen needed to react with 3.40 mol C 3 H 7 OH.b. Find the moles of each product formed when 3.40 mol C 3 H 7 OH reacts with oxygen. 3. Hydrofluoric acid cannot be stored in glass bottles because compounds called silicatesin the glass are attacked by the HF. Sodium silicate reacts as follows:Na 2 SiO 3(s) + HF (aq)  H 2 SiF 6 (aq) + NaF (aq) + H 2 O (l)a. How many moles of HF are needed to react with 0.300 mol of Na 2 SiO 3 ?b. How many grams of NaF form when 0.500 mol of HF reacts with excess Na 2 SiO 3 ?c. How many grams of Na 2 SiO 3 can react with 0.800 g of HF?