1. Mass of crucible lid 2. Mass of crucible + lid + sample before heating 3. Mass of crucible + lid+ sample after heating 4. Mass of sample (#2-#1) 5. Mass of residue (BaCl₂) (43-#1) 6. Mass of water lost_(#2 - #3) 7.% of water in sample_(#b/#4) X 100 8. The value of x in BaCl₂ xH₂O 15.110 g 17.452 g 17.107 g 2.342 g 1.997 g 0.345 g 14.731 perimental data above complete the chart. Show calculations below
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- BALANCING EQUATION 3. _ MgF2 + _ Li2CO3 --> _ MgCO3 + _ LiF 4. _ Pb(OH)2 + _ HCl --> _ H2O + _ PbCl2 5. _ Na3PO4 + _ CaCl2 --> _ NaCl + _ Ca3(PO4)2 TYPEWRITTEN ONLY PLEASE FOR UPVOTE. DOWNVOTE FOR HANDWRITTEN.< Report - Gramma NGLSync X OWLv2 | X Cengage + entActivity.do?locator-assignment-take 0 How many amperes are required to deposit 0.291 grams of magnesium metal in 213 seconds, from a solution that contains Mg²+ ions. 2+ A Submit Answer Retry Entire Group 9 more group attempts remaining a 68°F Et OFE 1:37 PM 5/27/2022MasteringChemistry .edu/webapps/assessment/take/launch.jsp?course_assessment_id%3_1575667_1&course_id%3_592130_1&content_id%3D_39106439 18 Up pe Maps M Gmail YouTube O Maps * Question Completion Status: QUESTION 4 A student takes 92 ml of a 0.0245 molar KOH solution and dilutes it to a final volume of 4,314.5. What is the pH of that resultant dilute solution? (report pH to two decimal places and include NO units in your answer) QUESTION 5 A student is told by their chemistry professor that he thinks he remembers that the ion product constant for water (Kw) has a value of 1.51x10-14 provided by their chemistry professor from his questionable memory, what is the calculated pH of water at 40 °C ? (Enter your number with 2 decimal places and do NOT include "pH" as a unit in your answer.) when water has the same temperature as that of a human running a hot fever of 40 °C. Based only on this information QUESTION 6 Given the information for equilibria (1) and (2) below, find the equilibrium…
- 6L O Mass-Mass Stoich -s-1.doc: SC courses/216161/files/23613413?wrap%3D1 Mail-GUY, YIE LHH Ou J) > Files > Mass-Mass Stoich -s-1.doc .. Ss-Mass Stoich -s-1.doc Coad Mass-Mass Stoich -s-1.doc (31 KB) 20OM 2. BALANCE the following equation: ---------> C0, + H,0 a) How many grams of octane, C3H18, will be needed to produce 47.0 grams of carbon dioxide? C3H18 + O2 b) How many grams of water will be produced from 98.0 grams of oxygen?tion 12 - Chapter 10 Home X ezto.mheducation.com/ext/map/index.html?_con=con&external_browser=0&launchUrl=https%253A%252F%252Fclasses.alaska.edu%252Fwebapps%252Fport ter 10 Homework i 2 ts Skipped eBook Hint Print References + Mc Graw Hill NH4NO3 → (Click to select) N20 + Balance the chemical equation. Note that you must select "1" if that is the correct coefficient, though the "1" is not typically written in a balanced equation, but is implied. (Click to select) NH4NO3 5 2 1 JUL 11 Saved (Click to select) H20 AN 1 átv Help A S119 X My Course X Macmillan: X Course Mo X What is the FORMULA for the limiting reagent? Submit Answer Sections 5 X .com/static/nb/ui/evo/index.html?deploymentid=5735112480241329813180832311&elSBN=9781305862883&id=1707786042&snapshoti... Use the References to access important valdes ir needed for this question. 900 For the following reaction, 9.43 grams of carbon (graphite) are allowed to react with 28.5 grams of oxygen gas. carbon (graphite) (s) + oxygen (g) carbon dioxide (g) What is the maximum amount of carbon dioxide that can be formed? What amount of the excess reagent remains after the reaction is complete? HOMEWOR X MacBook Air MindTap - C X GI grams grams
- | ax NME /Chemical%20Reactions%20Asgn%202-5.pdf 9 Employee Home r4c Covenant Health Ca... Outlook.com - Free... S Birthday party politi. G what does it mea 1 / 2 100% Chemical Reactions-Write Neat and Balanced Reactions from Word Equations You need to submit one sheet of paper (not this one), that is very neat, with a fully balanced reaction for these 6 reactions Remember to include proper states. 1. solid potassium metal reacts with oxygen gas to produce solid potassium oxide. 2. solid potassium chlorate decomposes into oxygen gas and solid potassium chloride. 3. solid aluminum oxide is decomposed into solid aluminum and oxygen gas. 4. aqueous cobalt(III) nitrate reacts with solid zinc to produce aqueous zinc nitrate and solid cobalt.O Mass-Mass Stoich-$1 doc Sc urses/216161/files/236134137wrap31 Met-GUY, KLE L on > Files > Mass-Mass Stoich -s-1.doc -Mass Stoich -s-1.doc d Mass-Mass Stoich -s-1.doc (31 KB) 700M 3. BALANCE the following equation: KCIO3 -------> KCl + O, grams mole of KCIO,? a) How many grams of KCl are produced from 250 b) How many grams of KCIO, are needed to produce 15 grams mole of O;?Explanation is needed. Thank you! <33
- 1. CH31 (excess) 2. Ag20, H2O, heat NH2Page 2 2. A 0.9527 g sample containing only KCI and CaCl2 yielded 3.9802 g of dried Hg2Cl2. Calculate the percent of each halogen compound in the sample. KCI = K* + CIr; CaCl2 = Ca2+ + 2C-; 2CI- + 2Hg* = Hg2Cl2 CI 35.453; K 39.0983; Ca 40.078; Hg 200.5928 Report Sheet Separation of the Components of a Mixture D. Determination of Percent Recovery Mass of original sample 10.588 Mass of determined (NH Cl+ NaCl+ SiO2) 1-88 8 Differences in these weights g matter recovered Percent recovery of matter %3D = %00 % g original sample Account for your errors. Combor QUESTIONS 1. Could the separation in this experiment have been done in a different order? For example, if the mixture was first extracted with water and then both the extract and the insoluble residue were heated to dryness, could you determine the amounts of NaCl, NH,Cl, and SiO, originally present? Why or why not? Consult a handbook to answer these questions. 2. How could you separate barium sulfate, BaSO4, from NaCl? 3. How could you separate magnesium chloride, MgCl2, from silver chloride, AgCl? 4. How could you separate tellurium dioxide, TeO2, from SiO,? 5. How could you separate lauric acid from a-naphthol? (See Table 3.1.)