purse Home n/course.html?courseld%3D15769386&HepID3D169f9f4bdc9f2df8dc5b7368af32865e#10001 e Home troduction to MasteringChemistry 2 of 15 roduction to Numeric Answers Part B When entering large numbers in the answer box, do not use commas. For example, enter 1276400 for the number 1,276,400. Do not enter 1, 276, 400. If you accidentally enter commas, you will receive feedback as a reminder. Answer the following question by typing the numeric answer into the answer box. What is the sum of 9260 and 3240? Express your answer numerically to at least three significant figures. • View Available Hint(s) Eν ΑΣφ sum = Submit Scientific notation You may want to enter 367.000 000 in scientific notatinn as 3 67 x 10° There are twn ways to do this P Pearson Dormicdonc Contact l. Copuriaht 0207 0 Doarcen Education Inc Alrightr rorornd Armr 12:58 hp

purse Home n/course.html?courseld%3D15769386&HepID3D169f9f4bdc9f2df8dc5b7368af32865e#10001 e Home troduction to MasteringChemistry 2 of 15 roduction to Numeric Answers Part B When entering large numbers in the answer box, do not use commas. For example, enter 1276400 for the number 1,276,400. Do not enter 1, 276, 400. If you accidentally enter commas, you will receive feedback as a reminder. Answer the following question by typing the numeric answer into the answer box. What is the sum of 9260 and 3240? Express your answer numerically to at least three significant figures. • View Available Hint(s) Eν ΑΣφ sum = Submit Scientific notation You may want to enter 367.000 000 in scientific notatinn as 3 67 x 10° There are twn ways to do this P Pearson Dormicdonc Contact l. Copuriaht 0207 0 Doarcen Education Inc Alrightr rorornd Armr 12:58 hp

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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envellum.ecollege.com/course.html?courseld=15432274&HepID=2b3e48e6520860bfd5591538a4a5a27b#10001 Search... Ael. AOL Video- Serving the best vi.. nline Sh... TripAdvisor 33 of 40 I Review | Constants | Periodic Table Learning Goal: To become familiar with the concept and calculations of specific heat. Part A Specific heat (which can be represented as SH, Cs, sp. ht., or a number of other possibilities) is defined as the amount of energy needed to raise the temperature of 1 g of a substance by 1 °C. For example, 0.0920 cal is enough energy to raise 1 g of copper from 21.0 °C to 22.0 °C. Therefore, the specific heat of copper is 0.0920 cal/(g - °C). How much heat energy is required to raise the temperature of 0.360 kg of copper from 23.0 °C to 60.0 °C? The specific heat of copper is 0.0920 cal/(g- °C). Express your answer with the appropriate units. > View Available Hint(s) Using SH for specific heat, the formula for calculating specific heat is HA Value Units heat heat = SH = massxAT P…
This question was rejected, but this question is part of a practice set and as you can see it is out of zero points. Other practice questions from this set were answered.
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only answer question four with the correct answer please.
Name: Part I: Calibration of the Plastic Pipette Number of Drops Total Mass (g) Mass of 10 Drops (g) Volume of 10 Drops (mL) 23.3124 10 23.8216 20 24.2999 30 24.8245 1. Temperature of deionized water (°C) 24.7 2. Density of water at this temperature from (g/mL) Density calculator https://antoine.frostburg.edu/chem/senese/javascript/water-density.html 3. Average volume of 10 drops (mL) show calculation: Part II: Determination of Standard Solutions mL of 0.200M CuSO4'5 H20 added M CuSO4 diluted Absorbance Tube # mL H20 added 0.200 1.346 about 3 0.945 3 4.00 1.00 0.715 4 3.00 2.00 0.469 2.00 3.00 0.281 6. 1.00 4.00 show calculation for Tube #3 diluted concentration:
Chrome File Edit View History Bookmarks People Tab Window Help Hcc Dashbc x E Buy Es: x G find so x © Periodi x A ALEKS X HUc Chapte x E New m x G conver X 不→ C A www-awn.aleks.com/alekscgi/x/lsl.exe/1o_u-IgNsIkr7j8P3jH-IQiHqRdYV_6Ux63SypJXz0Coxvwqgg4JkWI7FgD9QGpr.. O GASES O OC D Jacqueline v Using Avogadro's Law Hydrogen gas and nitrogen gas react to form ammonia gas. What volume of ammonia would be produced by this reaction if 7.5 m of nitrogen were consumed? Also, be sure your answer has a unit symbol, and is rounded to 2 significant digits. 圖中ロ alo olo
Is the final answer correct ? Or would there only be two significant figures in the final answer ?
explain answer please for 4 & 5
Chrome File Edit View History Bookmarks People Tab Window Help * 30% (4) Sat 2:00 PM Q OE o Chem101 O General Chemistry I (LAB SCI) X + i app.101edu.co EApps MM Gmail YouTube 9 Maps A Translate https://www.carth. 9 Google Chrome isn't your default browser Set as default Question 7 of 7 Submit Using the equations 2 Sr(s) + O2 (g) → 2 Sro (s) AH° = -1184 kJ/mol CO2 (g) → C (s) + O2 (g) AH° = 394 kJ/mol kJ/mol Determine the enthalpy for the reaction C(s) + 2 SrO(s) → CO2 (g) + 2 Sr(s). 1 2 6 C 03.0 Se VHFORMA The MO -Standa 8 AH ma +/- x 100 8T國山電@ O etv Oct 24 MacBook Air 80 888 SC FS F6 F3 F2 %23 2$ & delete 3 5 8. W E R Y U H J к K ret F V M 4-
Answerr part b
22.9 mol Hg Express your answer using three significant figures. ΑΣφ N Submit Request Answer Part D 0.280 mol Na Express your answer using three significant figures. ΑΣΦ %3D