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- Aktiv Chemistry < + C X b Success Confirmation XM Your Chemistry answe x app.101edu.co Answered: A 0.660 M X b Answered: How many × b Answered: A student X Time's Up! What quantity in moles of NaOH are there in 82.0 mL of 0.300 M NaOH? 1 4 7 +/- 2 5 8 New Tab mol 3 6 9 G 0 x + Submit X C x 1007. In weighing by difference: Initial weight of the sample bottle containing the sample:10.0001g.Final weight of the sample bottle containing thesample:__g.Weight of the sample taken from the bottle is 6.0200 g a 3.8901 b 3.9801 c 16.0201 d 16.020mmunity College X x || X D2L ALEKS Learning Module 8 (due A X A ALEKS- Jessica Sceusa - Learn X G Write the empirical formula for a x + www-awu.aleks.com/alekscgi/x/Isl.exe/1o_u-IgNslkr7j8P3jH-lvWyv8WYLP6W0cqJcWJdIACROQwyw24GWHInCX70-Q0WaoxQiZ3DF-1EgBJkRS45QbFh_mdu6pQMT19A08TrT_6p5Ces O ||| O STATES OF MATTER Using the combined law gas Student - Home kPa For many purposes we can treat ammonia (NH3) as an ideal gas at temperatures above its boiling point of -33. °C. Suppose the temperature of a sample of ammonia gas is lowered from 19.0 °C to -25.0 °C, and at the same time the pressure is changed. If the initial pressure was 0.30 kPa and the volume decreased by 40.0%, what is the final pressure? Round your answer to 2 significant digits. Explanation Check X10 X K 0/5 © 2023 McGraw Hill LLC. All Rights Reserved. Terms of Use Privacy Cent
- pshotid=2199... NDTAP Q Search this cou Use the References to access important values if needed for this question. Calculate the number of atoms of hydrogen (H) in 394 cm³ of the colorless gas butane at 25 °C and atmospheric pressure, where its density is 2.38×10³ g cm-3. The molecular formula of butane is C4H10- H atoms Submit Answer 4 question attempts remainingsited ).pdf 0₂ Sample Undo Redo Clear Help A Common Greek(upper) Greek(lower) Arrows Other X X₁ Ox X Aa (s) (1) (g) (aq) 0 [Review Topics] [References] Use the References to access important values if needed for this question. A 21.71 gram sample of an organic compound containing C, H and O is analyzed by combustion analysis and 21.23 grams of CO₂ and 4.346 grams of H₂O are produced. In a separate experiment, the molar mass is found to be 90.04 g/mol. Determine the empirical formula and the molecular formula of the organic compound. (Enter the elements in the order C, H, O.) Empirical formula: ped LIU-BK-Faculty-Jea....pdf ^ H Furnace M 28 H₂O absorber CO₂ absorber pts remaining Previous NUH) Save and Exit Show all Act Me Win 10/7/2022 X 64°F SunnyAn analyst performed an analysis of a sample for its calcium ions content got the followingresults: 0.0077 %, 0.0080 %, 0.0079%, and 0.0082 %. The actual amount of the ions in thesample is 0.0095%. What conclusion can you deduce about the accuracy and precision ofthese results?
- Window Help ered: eq req Ereg Important values if needed... | b... M M 2req 2req 2req =2req M Visited MAY 11 S prod01-cnow-owl.cengagenow.com Submit Answer 85 According to the following reaction, how many moles of carbon dioxide will be formed upon the complete reaction of 32.0 grams of carbon monoxide with excess oxygen gas? 2CO(g) + O2(g) → 2CO2(g) mol carbon dioxide Retry Entire Group A 6 [Review Topics] [References] Use the References to access important values if needed for this question. Module 2 | OWLv2 MacBook Pro & 87 9 more group attempts remaining * CO € 8 A S OWLV2 | Online teaching and learning resource from C... N Previous Email Instructor Next Thu May 11 10:3 zoom □ + 0 Save and Exit + 11 bl 2 201 ngsDetermine analysis: 52.2% C; 13.0 % H; 34.8 % O. 1 ( An organic compound witha molar mass of 116.2 g/mol was determined to have the following percent composition: 62.01 % C, 10.43 % H, 27.54% O. Determine the empirical formula and the molecular formula for the compound. Empirical formula Molecular formula 34 arnlynsioler/Deskton/lotry html X of XTZD2L Homepage - S X (26) Pinterest x y bartleby - Yahox b Success Confi x с app.101edu.co < + M Your Chemistry x b Answered: Que x Time's Up! Determine the mass in grams of 3.30 × 1021 atoms of arsenic. (The mass of one mole of arsenic is 74.92 g.) Aktiv Chemistr X b Success Confi x 1 4 7 +/- 5 New Tab 2 3 8 g 6 9 G 0 x + Submit X C x 100
- A 4.64 g sample of a laboratory solution contains 1.47 g of acid. What is the concentration of the solution as a mass percentage? % acid concentration: about us careers privacy policy terms of use contact us heip 440 4/13/2 DII FS %3* F7 PrtScn PgUp, F11 pgDn 12 Home End F10 F6 2$ & 4. 5 6. 8. 9. R Y K + I| 10 LL+2 Pb Thallium Lead 200.592 2818 32 182 1832 18 1 204.383 207.2 28 18 32 10 2818 32 18 3 111 112 +2 Mt Ds Hassium Meitnerium Darm (264] 32 32 122 2818 32 32 13 2 28 18 32 32 [269] 59 15. NaOH Ba(NO), (1)balanced eanation (10101lm介 10nice (6) Total mot ianic eanation (d)net lonic eqnoition5) 3) 2) Percentage Composition Worksheet Give the % composition of all elements in these compounds. Show all work! 1) ammonium sulfite % N % H sodium bromide aluminum acetate % Al % C 4) copper (II) hydroxide % S % O magnesium carbonate % H % O % Na % Br M_ For chemistry help, visit http://www.chemfiesta.com % Cu % O % H % Mg % C % O O Ma 9.8 ebinayo muiaestog Llobiriqaoriq muinul (Ot 2 (8 etellua (III) lexoin Ⓒ2000 Cavalcade Publishing - All Rights Reserved