Data TableA) Mass of crucible (g)20.442B) Mass of magnesium and crucible (g)20.717C) Mass of magnesium (g)0.215gD) Mass of magnesium oxide (g)First weighing: 0.453Second weighing: 0.455Average mass (g)0.454gE) Mass of oxygen (g)0.179gCalculationsWatch this video only if you need help in analyzing the data you collected.https://www.youtube.com/watch?v3DVpgb1Y321WA1. Atomic mass of magnesium from the Periodic Table is24.305g/mol.x = Moles of Mg used in this experiment =0.0113145 mol of mg%3D(Show your calculation) 6. Calculate the theoretical %O in magnesium oxide.At.mass 0 (g/mol)X 100Molar mass Mg0 (g/mol)7. Calculate the experinmental %O in the oxide.mass 0 (g)%0 (еxp)x 100mass MgO (g)

In the theortical value of oxygen mass %, the mass of oxygen that we know from the formula of…

Data Table A) Mass of crucible (g) 20.442 B) Mass of magnesium and crucible (g) 20.717 C) Mass of magnesium (g) 0.215g D) Mass of magnesium oxide (g) First weighing: 0.453 Second weighing: 0.455 Average mass (g) 0.454g E) Mass of oxygen (g) 0.179g Calculations Watch this video only if you need help in analyzing the data collected. you https://www.youtube.com/watch?v3DVpgb1Y321WA 1. Atomic mass of magnesium from the Periodic Table is 24.305 g/mol. x = Moles of Mg used in this experiment = 0.0113145 mol of mg (Show your calculation)

Data Table A) Mass of crucible (g) 20.442 B) Mass of magnesium and crucible (g) 20.717 C) Mass of magnesium (g) 0.215g D) Mass of magnesium oxide (g) First weighing: 0.453 Second weighing: 0.455 Average mass (g) 0.454g E) Mass of oxygen (g) 0.179g Calculations Watch this video only if you need help in analyzing the data collected. you https://www.youtube.com/watch?v3DVpgb1Y321WA 1. Atomic mass of magnesium from the Periodic Table is 24.305 g/mol. x = Moles of Mg used in this experiment = 0.0113145 mol of mg (Show your calculation)

Chemistry: The Molecular Science

5th Edition

ISBN:9781285199047

Author:John W. Moore, Conrad L. Stanitski

Publisher:John W. Moore, Conrad L. Stanitski

Chapter4: Energy And Chemical Reactions

Section: Chapter Questions

Problem 10QRT

See similar textbooks

Similar questions

A particulate-level illustration of the reaction AB+CDAD+CB is shown below. a Identify the reactants and products in this reaction. b Is the change shown chemical or physical? c Is the mass of the product particles less than, equal to, or greater than the mass of the reactant particles? d If the reaction takes place in a container that allows no energy to enter or leave, how does the total energy in the container after the reaction compare with the total energy in the container before the reaction?
aIs the process of boiling water exothermic or endothermic with respect to the water? bA charged object is moved closer to another object that has the same charge. The energy of the system changes. Is it a change in kinetic energy or potential energy? Is the energy changes an increase or a decrease?
9.16 According to Figure 9.2, the total energy supply in the United States in 2016 was 111.261015 Btu. Express this value in joules and in calories. FIGURE 9.2 Energy production and consumption (in quadrillion Btu) in the United States during the year 2016. The discussion in the text explains how to read this complex figure, which contains an enormous amount of information about the energy economy. Data come from the Department of Energy and do not always add up exactly as expected due to rounding and other issues.
Please answer g please In the table below, use your most important scientific instrument (your calculator) to fill in the little boxesthat are highlighted:2. Data TableIdentity of Dehydrated salt (for afterwards) ________________________________ Mass of empty dish 70.874g Mass of dish + hydrated salt 71.346g Mass of hydrated salt Mass of dish + dehydrated salt XXXXXXX a) first heating 71.194g b) second heating 71.174g Mass of dehydrated salt Mass of water lost Wt. % of water in hydrated salt Moles of dehydrated salt Moles of water driven off Empirical formula of hydrated salt a. Show the calculation for obtaining the mass of your hydrated salt used.b. Show the calculation for obtaining the mass of your dehydrated salt after the second heating.c. Show the calculation for obtaining the mass of water that was driven off (based on secondheating).d. Show the calculation for obtaining the weight percent of water that was in your hydrated…
In the table below, use your most important scientific instrument (your calculator) to fill in the little boxesthat are highlighted:2. Data TableIdentity of Dehydrated salt (for afterwards) ________________________________ Mass of empty dish 70.874g Mass of dish + hydrated salt 71.346g Mass of hydrated salt Mass of dish + dehydrated salt XXXXXXX a) first heating 71.194g b) second heating 71.174g Mass of dehydrated salt Mass of water lost Wt. % of water in hydrated salt Moles of dehydrated salt Moles of water driven off Empirical formula of hydrated salt a. Show the calculation for obtaining the mass of your hydrated salt used.b. Show the calculation for obtaining the mass of your dehydrated salt after the second heating.c. Show the calculation for obtaining the mass of water that was driven off (based on secondheating).d. Show the calculation for obtaining the weight percent of water that was in your hydrated salt.e. Show the…
TABLE 2. Note that inside the coffee cup is 25 mL of distilled water (cp = 4.184 J/goC; density is 1.00 g/mL). The data you see is below. The other columns, you have to fill that in yourself... Iconic Compound Mass(g) T(celsius) qsurr(J) qsys(J) Moles Hsys(KJ/mol) Exothermic or endothermic? Calcium Chloride 4.92 16.8 Ammonium nitrate 5.03 -17.5 Magnesium Sulfate 4.97 17.9 Sodium Carbonate 4.93 5.2
10. Calorimeter is an instrument used to measure the change in mass of any physical or chemical process A.True B. False
A medium sized carrot weight 61 g and contains 6 g of carbohydrate. What percent by mass of the carrot is carbohydrates
PbCO3(s)→PbO(s)+CO2(g)PbCO3(s)→PbO(s)+CO2(g) Express your answers as integers separated by commas
you have 125 g of a certain seasoning and are told that it contains 22.0 g of salt. What is the percentage of salt by mass in this seasoning?(express the percentage numerically. Do not round)
Please tell me how I can balance these 2 questions. If not possible, please say NR as the answer.
If the snack food is pretzels and a single pretzel has a mass around 1.5g, how many pretzels would you need to consume to meet the daily requirement? Daily requirement=sodium intake is around 2.25g Mass of sodium in snack food= 0.01333g Original mass of snack food= 2.76g Mass of NaCl in the snack food= 0.03388g

SEE MORE QUESTIONS

Recommended textbooks for you

Chemistry: The Molecular Science

Chemistry

ISBN:

9781285199047

Author:

John W. Moore, Conrad L. Stanitski

Publisher:

Cengage Learning

Introductory Chemistry: An Active Learning Approa…

Chemistry

ISBN:

9781305079250

Author:

Mark S. Cracolice, Ed Peters

Publisher:

Cengage Learning

Chemistry for Engineering Students

Chemistry

ISBN:

9781337398909

Author:

Lawrence S. Brown, Tom Holme

Publisher:

Cengage Learning

General Chemistry - Standalone book (MindTap Cour…

Chemistry

ISBN:

9781305580343

Author:

Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; Darrell

Publisher:

Cengage Learning

World of Chemistry

Chemistry

ISBN:

9780618562763

Author:

Steven S. Zumdahl

Publisher:

Houghton Mifflin College Div

Introductory Chemistry: A Foundation

Chemistry

ISBN:

9781337399425

Author:

Steven S. Zumdahl, Donald J. DeCoste

Publisher:

Cengage Learning

Chemistry: The Molecular Science

Chemistry

ISBN:

9781285199047

Author:

John W. Moore, Conrad L. Stanitski

Publisher:

Cengage Learning

Introductory Chemistry: An Active Learning Approa…

Chemistry

ISBN:

9781305079250

Author:

Mark S. Cracolice, Ed Peters

Publisher:

Cengage Learning

Chemistry for Engineering Students

Chemistry

ISBN:

9781337398909

Author:

Lawrence S. Brown, Tom Holme

Publisher:

Cengage Learning

General Chemistry - Standalone book (MindTap Cour…

Chemistry

ISBN:

9781305580343

Author:

Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; Darrell

Publisher:

Cengage Learning

World of Chemistry

Chemistry

ISBN:

9780618562763

Author:

Steven S. Zumdahl

Publisher:

Houghton Mifflin College Div

Introductory Chemistry: A Foundation

Chemistry