When carbon is burned in air, it reacts with oxygen to form carbon dioxide. When 24.0 g of carbon were burned in the presence of 81.6 g of oxygen, 17.6 g of oxygen remained unreacted. What mass of carbon dioxide was produced? Express your answer to one decimal place and include the appropriate units. ▸ View Available Hint(s) ? Value Units Submit Provide Feedback Next >
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- JOP3JH-1J n/WsvrRAXK6XnHkiRvH2t180AR2-EPP O CHEMICAL REACTIONS Solving for a reactant using a chemical equation Ammonia (NH,) chemically reacts with oxygen gas (0,) to produce nitric oxide (NO) and water (H,0). What mass of water is produced by the reaction of 9.8 g of oxygen gas? Round your answer to 2 significant digits. x10 Explanation Check 2020 McC DELL -> %23 $ & 4 8.ntActivity.do?locator=assignment-take A model for the compound cyclohexane is shown. ball & stick v + labels Submit Answer [Review Topics] [References] Use the References to access important values if needed for this question. + Login to your account x Write a balanced chemical equation that shows the formation of cyclohexane from the elements carbon (C) and hydrogen (H₂). (Use the smallest integer coefficients possible and do not include states.) Retry Entire Group 2 more group attempts remaining QN = blue0= red - Bin A Previous NextTry Again Your answer is wrong. In addition to checking your math, check that you used the right data and DID NOT round any intermediate calculations. Acetylene (C₂H₂) gas is often used in welding torches because of the very high heat produced when it reacts with oxygen (0₂) gas, producing carbon dioxide gas and water vapor. Calculate the moles of oxygen needed to produce 0.500 mol of carbon dioxide. Be sure your answer has a unit symbol, if necessary, and round it to the correct number of significant digits. 0.750 mol 0|0 x10
- 6 of 13 I Review | Constants Periodic Table Part C The fuel used in many disposable lighters is liquid butane, C4H 10. How many carbon atoms are in 1.50 g of butane? Express your answer numerically in atoms. • View Available Hint(s) carbon atoms Submit P Pearson I Permissions| Contact Us Inc. All rights reserved. I Terms of Use | Privacy Policy I 11:55 PM 2/13/2020 56% Insert PrtScpshotid=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 remainingJset2_5zKMTIDEhEBBQc5Ge4YwKAkK5h... O CHEMICAL REACTIONS Solving for a reactant using a chemical equation Ammonium perchlorate (NH CIO,) is the solid rocket fuel used by the U.S. Space Shuttle. It reacts with itself to produce nitrogen gas (N,), chlorine gas (Cl,), oxygen gas (0,), water (H,O), and a great deal of energy. What mass of water is produced by the reaction of 2.59 g of ammonium perchlorate? Be sure your answer has the correct number of significant digits. Explnation Check 2022 McGraw Hill LLC All Righnts Reserved Terms of Use Privacy CenWhat is the mass of 4.60 moles of magnesium chloride, MgCl2 ? Express your answer with the appropriate units. View Available Hint(s)for Part A Activate to select the appropriates template from the following choices. Operate up and down arrow for selection and press enter to choose the input value typeActivate to select the appropriates symbol from the following choices. Operate up and down arrow for selection and press enter to choose the input value type mass of MgCl2 = Please answer fast i give you upvote.View Policies Curent Attempt in Progress Most chemistry laboratories have balances that can weigh to the nearest milligram. Would it be possible to weigh 5.34E+18 molecules of octadecane, C18H 38, on such a balance? Enter your answer in the form 1.00E2 for scientific notation. mass of 5.34E+18 molecules CgHag= g. Thus, it is to weigh 5.34E+18 molecules of C18H38. not possible Save for L possible AttemptsSonya is working in the lab. She measures an initial 10 g of Silicon into a beaker weighing 27 grams. After Sonya performs her experiment she reweighs the beaker with the silicon and records a mass of 39.5 grams. Calculate the percent yield of silicon. e here to search Home End F5 F8 F9 F11 F12 Insert %23 & 3 4 7 8 W R Y S. J K {N Alt Alt PrtSc Ctrl + I| この * 00Calculate mass recovered. Calculate percent recovery. initial mass: 2.09 g watch glass + filter paper: 49.07g watch glass + filter paper + crystals: 49.18 gA model for the compound 2,3-dimethylbutanoic acid is shown. 20 F3 E D Write a balanced chemical equation that shows the formation of 2,3-dimethylbutanoic acid from the elements carbon (C), Hydrogen (H₂) and oxygen (O₂). Submit Answer $ ball & stick + labels (Use the smallest integer coefficients possible and do not include states. Enter the elements in the order: C, H, then O in the product box.) 4 DOO DOD F4 R + LL H F [References] Use the References to access important values if needed for this question. 65 % Retry Entire Group F5 + T H Cengage Learning Cengage Technical Support 6 MacBook Air G 9 more group attempts remaining F6 Y - & 7 F7 H U 8 00 FB J 9 F9 K M 0 O A F10 « Previous Email Instructor P Next Save and Exit = A F12SEE MORE QUESTIONS