Data Sheet Table 1. The Reaction of Magnesium Ribbon. Trial 2 Measurement Trial 1 VIDEO 2 Mass of crucible (g) 31.064 g 34.18 g Mass of Mg ribbon (g) 0.57 g Mass of crucible and ash after 1st heating (g) 31.970 g 34.40 g Mass of crucible and ash after 2nd heating (g) 31.984 g 34.41 g Mass of crucible and ash after 3rd heating (g) if needed 31.986 g 34.41 g Final mass of crucible and product (from last heating) (g) Mass of product (g) 0.91g 0.34/16.00 g/mol Moles of magnesium (mol) Use 2 SIGNIFICANT FIGURES → | 0.023 mol Mass of oxygen (g) 0.34 0.57/24.31 Moles oxygen (mol) Use 2 SIGNIFICANT FIGURES → 0.021 mol Formula of MgQ Percent by mass - magnesium (%Mg) 0.02 mol 0.034 mol Percent by mass - oxygen (%O) *SHOW CALCULATIONS FOR TRIAL 2 ONLY Write the balanced chemical equation for the combination reaction.

Data Sheet Table 1. The Reaction of Magnesium Ribbon. Trial 2 Measurement Trial 1 VIDEO 2 Mass of crucible (g) 31.064 g 34.18 g Mass of Mg ribbon (g) 0.57 g Mass of crucible and ash after 1st heating (g) 31.970 g 34.40 g Mass of crucible and ash after 2nd heating (g) 31.984 g 34.41 g Mass of crucible and ash after 3rd heating (g) if needed 31.986 g 34.41 g Final mass of crucible and product (from last heating) (g) Mass of product (g) 0.91g 0.34/16.00 g/mol Moles of magnesium (mol) Use 2 SIGNIFICANT FIGURES → | 0.023 mol Mass of oxygen (g) 0.34 0.57/24.31 Moles oxygen (mol) Use 2 SIGNIFICANT FIGURES → 0.021 mol Formula of MgQ Percent by mass - magnesium (%Mg) 0.02 mol 0.034 mol Percent by mass - oxygen (%O) *SHOW CALCULATIONS FOR TRIAL 2 ONLY Write the balanced chemical equation for the combination reaction.

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...

See similar textbooks

Similar questions

Balance the reactions first. Show all work. Report answers in proper significant figures.
29. For items 29 - 32, please refer to the following chemical equation:CuC12 + 2 NaNO3 - Cu(NO3)2 - 2 NaCI. If 12 grams of copper (II) chloride react with 20 grams of sodium nitrate how much sodium chloride can be formed? A. 10 g NaCi B. 11 g NaCI C. 15 g NaCl D. 20 g Naci 30. For items 29 - 32, please refer to the following chemical equation:CuC12 + 2 NaNO3 - Cu(NO3)2 - 2 NaCI. What is the limiting reagent? * O A. Copper (Il) chloride B. Copper (II) nitrate C. Sodium chloride D. Sodium nitrate 31. For items 29 - 32, please refer to the following chemical equation:CuC12 + 2 NANO3 - Cu(NO3)2 - 2 Naci. What is the excess reagent? A. Copper (II) chloride B. Copper (II) nitrate C. Sodium chloride D. Sodium nitrate 32. For items 29 - 32, please refer to the following chemical equation:CuCi2 + 2 NANO3 - Cu(NO3)2 - 2 Nacl. How much of the excess reagent is left over in this reaction? O A. 3 g В. 5g C.79 D. 8 g
I need help understanding how to do this homework question. I've been out sick so I don't even know how to even begin to attempt this question.
Use the law of conservation of mass to answer the questions. Consider a hypothetical reaction in which A and B are reactants and C and D are products. If 23 g of A completely reacts with 22 g of B to produce 19 g of C, how many grams of D will be produced? mass of D: A 3.4 g sample of sodium hydrogen carbonate is added to a solution of acetic acid weighing 10.1 g. The two substances react, releasing carbon dioxide gas to the atmosphere. After the reaction, the contents of the reaction vessel weigh 11.5 g. What is the mass of carbon dioxide released during the reaction? mass of carbon dioxide:
I need the answers with solut
Balance the chemical equation shown below. What coefficients need to be placed in front of which substances? * 3. Hg2l2 +_O2 → _ Hg2O + _ I2 - Your answer d to 3 points
Answered -Correct! U8HW Question 15 == Homework 11:59 PM Answered Due Mar 19th, Resubmit Reacting water with magnesium nitride produces ammonia (NH3) and magnesium hydroxide. If this process is 70% efficient, what mass of ammonia (in kg) can be prepared from 19.5 kg of magnesium nitride? Type your numeric answer and submit 2.28 Answered - Incorrect U8HW Question 16 K Answered Due Mar 19th, == Homework 11:59 PM ⭑ You are incorrect Resubm Open in Reading
Jeff followed to procedure for Experiment 4, and collected the following data, which he recorded on his "Data and Calculations" sheet: Row A Mass of flask = 97.85 g Row B Mass of flask + unknown = 99.86 g Row C Mass of graduated cylinder + HCl( aq) = 37.470 g Row D Mass of emptied graduated cylinder = 26.941 g Row E Mass of flask containing reaction mixture = 109.55 g What was the mass in grams of the HCl( aq) used by Jeff in this experiment ?
Which of the following chemical reactions is (are) classified as a decomposition reaction? A. 2NACIO3(s) 2NACI(s) + 302(g) > B. KCI(aq) + AgNO3(aq) →KNO3(aq) +AgCl(s) C. Fe(s) + CuS04(aq) FeSO4(aq) + Cu(s) D. 2NaHCO3(s) NazCO3(s) + CO2(g) + H2O(g) E. 2Fe(s) + 3C12(g) →2 FeCl3(s) A none of these B.
If your sample of antacid plus watchglass weighs 8.0756 g and the watchglass after transfer of the sample weighs 7.9615 g, what is the weight of antacid being used?
One technique used in industry to extract gold from gold sulfide is reacting it with hydrogen gas. In the process, solid gold and hydrogen sulfide gas form. If 337.75 g of gold(III) sulfide is completely reacted in the process, what mass of gold will be produced?
Use the References to access important values if needed for this question. If 21.2 grams of an aqueous solution of manganese(II) chloride, MnCl, contains 3.65 grams of manganese(II) chloride, what is the percentage by mass of manganese(II) chloride in the solution? % MnCl2 Submit Answer Retry Entire Group 9 more group attempts remaining Previous Nex Say Cengage Learning | Cengage Technical Support 100% 11 近