Copper Lab Report

Does the product formed during the combustion of magnesium in Test 6 (the ashy magnesium oxide) to weigh more than, less than, or the same as the original piece of magnesium? Explain.

Based on this chart write an balanced chemical equation for number 18 only!!! Which is cocl2 and ca(oh)2

When 2.2 moles of C₂H4 is combusted, how many moles of CO₂ are produced? C₂H4 (g) + O₂(g) → CO₂ (g) + H₂O (g) 4.4 mol 1.1 mol 2.0 mol 2.2 mol

Magnesium burns in air with a Dazzling brilliance to produce magnesium oxide 2Mg(s)+O2(g)----2mgO(s) win 4.00 g of magnesium burns, the theoretical yield of magnesium oxide is________ g

Complete the blanks.

ortin X TETAAZEN ce/acellus_engine.html?ClassID=177151 tions + Use the data below to determine the mass ratio of iron to oxygen for compound 1. Et Compound 1 2 nternational Academy of Science. All Rights Reserved. Mass Fe (grams) 15.55 20.98 [P]:1 Enter the answer that belongs in the green box. Iron Ratio Cmpd 1 Mass O (grams) 4.45 9.02 * C Enter

<7 of 11 Metal Ca Fe Cu Mg A B с assroom.collegeboard.org D Observations All the calcium reacted in less than 30 seconds. There was a vigorous production of a gas. ©*** Most of the iron reacted very slowly. There was a slow production of a gas. Some of the iron never totally reacted. No visible reaction. A student puts samples of four different metals of equal mass into HCl(aq) and records observations in the table. Which of the following ranks the metals from least reactive to most reactive? Ca Fe Cu < Mg of the magnesium reacted in about three minutes. There was a moderate production of a gas. Ca < Mg < Fe < Cu 43% 10:50 Cu Fe < Mg < Ca :D Cu Ca Mg < Fe Submit : ||| f(x) H 8

22 Mark for Review A sample of a certain alloy has a total mass of 50.0 grams and is 50.0% silicon by mass. The sample was created by combining two pieces of different alloys. The first piece was 30.0% silicon by mass and the second piece was 80.0% silicon by mass. What was the mass, in grams, of the silicon in the second piece? A 9.0 B 16.0 20.0 30.0 ARC

Dilution Problems, Chemistry, Molarity & Concentration Examples,... M O O CHEMICAL REACTIONS Reaction sequence stoichiometry In the second step, iron(III) oxide and carbon monoxide react to form iron and carbon dioxide: Fe₂O3(s) + 3CO(g) → 2Fe(s) + 3 CO₂ (g) E crosoft O V Blast furnaces extra pure iron from the iron (III) oxide in iron ore in a two step sequence. In the first step, carbon and oxygen react to form carbon monoxide: 2C(s) + O₂(g) 2 CO (g) W Suppose the yield of the first step is 84.% and the yield of the second step is 63.%. Calculate the mass of oxygen required to make 3.0 kg of iron. Be sure your answer has a unit symbol, if needed, and is rounded to the correct number of significant digits. G Microsoft Microsoft 6.52.210... Explanation BO C Check 9,269 x10 믐 103 X OCT 24 ロ・ロ átv 2 3/5 DOZA Simrat 2022 McGraw Hill LLC. All Rights Reserved. Terms of Use | Privacy Center | Accessibility W E ol Ar

le Docs ogle.com Tools Add-ons Help Last edit was 40 minutes ago E -E - E 11 BIU A text Calibri 3 4 I 5 4. Determine the percent yield for the reaction between 46.4 g of ZnS and 13.3 g of O, if 18.4 g of ZnO are produced. 2 Zns + 30, → 2 ZnO + 2 SO, hp 144

2NaClO, --> 2NaCI + 30, Reactants combine into a large one Reactant breaks apart into smaller molecules A pure element swaps places with an element in a compound elements from two different compounds switch place a hydrocarbon reacts with oxygen to form carbon dioxide and water

Chapter 3: Interactive Example 3.14 - Balancing a Chemical Equation II At 1000°C, ammonia gas, NH (g), reacts with oxygen gas to form gaseous nitric oxide, NO(g), and water vapor 3. This reaction is the first step in the commercial production of nitric acid by the Ostwald process Balance the equation for this reaction

Chemical equation involved: Hydrogen Peroxide + Potassium lodide + > Write the correct chemical formulas of the reactants and products. Balance the chemical equation. Identify the type of Chemical reaction.

How much oxygen (in grams) will form from 47.7 mg of N205? 2N205(s) 4NO2(g) + O2(g) × 10 0 g 02 4

Consider the Haber-Bosch process for the synthesis of ammonia from its elements. Calculate the theoretical yield in moles NH, from the complete reaction of 59.8 grams N, in the presence of excess H, gas according to the following balanced chemical equation: 3 H,(g) - 2 NH,(g) RTING AMOUNT ADD FACTOR ANSWER RESET *( ) 72 7 1.01 50 0 17 04 29 02 145 4 27

maining Time: 1 hour, 01 minute, 27 seconds. uestion Completion Status: A Moving to another question will save this response. estion 33 For Questions 30-35: Nitric acid is prepared from the reaction of 69.0 grams of nitrogen dioxide with 36 grams of water. unbalanced chemical equation: NO2 + H₂O → HNO3 + NO How many grams of NO are produced? 60 g 45 g 30 g 15 g Moving to another question will save this response. 4 144

2:26 PM Thu Mar 3 Chapter 9 Limiting and Excess Reactants Feb 28, 2022 at 10:05 AM Name/Date Lacey Boswell 113/12 Honors Chemistry Chapter 9 Limiting and Excess Reactants Show ALL work for the following calculations: 1a. If you perform the following reaction with 35 grams of C&H10 and 45 grams of oxygen, how many grams of carbon dioxide will be formed? 2 CH10 + 17 02 → 12 CO2 + 10 H2O 55g What is the liming reagent? w much of the excess reagent is left over after the reaction is finished?

D -eq M 2req M M M M M ball & stick + labels v - A model for the compound 2-propanol is shown. calor assignment-take [Review Topics] [References] Use the References to access important values if needed for this question. Write a balanced chemical equation that shows the formation of 2-propanol from the elements carbon (C), hydrogen (H₂), and oxygen (02). Submit Answer (Use the smallest integer coefficients possible and do not include states. Enter the elements in the order: C, H, then O in the product box.) + + - Retry Entire Group 1 more group attempt remaining Cengage Learning | Cengage Technical Support Previous Email Instructor Next> Save and Exit

40. Balance each of the following chemical equations. a. NazSO4 (ag) + CaCl2 (aq)CaSO4(s) +NaCl(ag) Answer b. Fe(s) +H20(9) Fe3 O4(s) + H2 (g) Answer C. Ca(OH), (ag) + HCI(ag) → CaCl, (ag) + H,O(1) Answer + d. Br2 (g) + H20(1) + SO2 (g) HBr(aq) + H2SO4 (aq) Answer + e. NaOH(s)+H3PO4(aq)Nag PO4 (aq) +H20(1) Answer + f. NANO3 (s)→ NANO, (s) + O2 (g) Answer +