Chem Q1 Question 14

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Chrome File Edit View History Bookmarks People Tab Window Help * 30% (4) Sat 2:00 PM Q O E 0 Chem101 O General Chemistry I (LAB SC) x i app.101edu.co Apps M Gmail O YouTube Maps Translate 3 https://www.carth.. Google Chrome isn't your default browser Set as default Question 7 of 8 Submit Using the equations N2 (g) + O2 (g) → 2 NO (g) AH° = 180.6 kJ/mol N2 (g) + 3 H2 (g) → 2 NH3 (g) AH° = -91.8 kJ/mol 2 H2 (g) + O2 (g) → 2 H2O (g) AH° = -483.7 kJ/mol kJ/mol Determine the enthalpy for the reaction 4 NH3 (g) + 5 O2 (g) → 4 NO (g) + 6 H2O (g). 1. 3 INFOR 4 6 Coings t C The MC Uhase Stan 8 9 +/- x 100 + 10.062 122 24 tv MacBook Air 888 DII F4 F5 F7 F9 12 %23 24 & * 2 4 6 8 %3D delete Q W E R Y A S D F G H J L return > C V

Suppose that you heated the hydrated copper (II) sulphate in a test tube, instead of a beaker. How might this affect your results? 4 MAY 19 ... MacBook Pro & * %23 $ 2 3 4 5 6 7 E Y U G H J K C V M MOSISO command option command レー

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-

3. What w Dinitrogen pentoxide gas is formed by the reaction of nitrogen dioxide gas and nitrogen trioxide gas. Write a balanced chemical equation for this reaction. 0 Continue 55°F Mostly clear Q Search ローロ L X 00 © 2023 McGraw Hill LLC. All Rights Reserved. DELL

You and your friends are having lunch together and complaining about the cold weather. Kathy begins telling about her spring break trip to warm, sunny Spain. She starts to laugh when she tells the group that she was frustrated when she awoke on the first day to an outside temperature of 18° and a predicted high of 24°. Kathy was laughing because in Spain temperatures are measured in Celsius. What was the predicted high in Fahrenheit? > View Available Hint(s) O75.2 °F 6.2 °F 100.8 °F O75 °F

4) __ H2 + O2 0 H20 HCI O Pb(OH)2 + AIBR3 + Al2(SO4)3 5) H20 + PbCl2 6). K2SO4 O KBr + 7) CH4 + O2 0 CO2 + H2O 8) _ C3H8 + 02 O2 0 СО2 + H20 9). C3H18 + O2 CO2 + H20 10). FeCl3 + NaOH Fe(OH)3 + Nac

Abdelra X M Mathway | Algebra Prol X G molar mass of zinc chl x Launch Meeting-Zoom x G 0.16kg to g-Google Se x+ www-awu.aleks.com/alekscgi/x/Isl.exe/1o_u-IgNslkr7j8P3jH-lix5uFZIVj2iEJjQd1WoxT77ErtzZpGbzESWMk5SbMzyGfsmkwQSq2n2qsprma6JcCeltVTwZDkOLh51Rytx20V. O GASES, LIQUIDS, AND SOLIDS Using the Kf and Kb equations with electrolytes Jeneen v A certain liquid X has a normal boiling point of 93.40°C and a boiling point elevation constant K=1.46 °C-kg mol . A solution is prepared by dissolving -1 9. some iron(III) nitrate (Fe(NO,)) in 550. g of X. This solution boils at 93.8 °C. Calculate the mass of Fe(NO,) that was dissolved. Be sure your answer is rounded to the correct number of significiant diglts. x10 Check Explanation 2021 McGraw-Hill Education. All Rights Reserved. Terms of Use Privacy Accessibility M9

* 60% iPad 2:23 PM + openvellum.ecollege.com Search Textbook Solutions | Chegg.com 61%iPad2:20 PM+openvellum.ecollege.comSearch... Course Home My Courses KOnline homework for CH08 Course Home Chapter 8 Multiple-Choice Problem 45 > 35 of 41 Syllabus Scores Review | Constants I Periodic Table еТext Document Sharing User Settings Part A Course Tools The process of crenation occurs when the concentration outside a cell is and is said to be higher in concentration; hypotonic higher in concentration; hypertonic lower in concentration; hypertonic lower in concentration; hypotonic Request Answer Submit Pearson Copyright O 2019 Pearson Education Inc. All rights reserved.| Terms of Use | Privacy Policy Permissions Contact Us

I need the answer for question 3

I need help with my reasoning for my claim and evidence which I have already done. I need help coming up with a thorough reasoning from what I wrote and the article attached.

View History Bookmarks Develop Window Help A east.cengagenow.com [References) 1 pt EXERCISE Unit Conversion 1 pt Drag conversion units onto the boxes in the equation to make conversions. Some boxes can be left empty. Click on a unit to remove it from its position. 1 pt 1 cm³ Cu 9 g Cu 9.5 x 1021 atoms Cu 1 g Cu 1 pt 1 kg 1000 g 1 cm = 1 mL 1 pt 1 L 1000 cm3 1 pt 1 pt 520 L x 1 pt 1 pt 1 pt A piece of copper has a volume 520 L. What is the mass of the sample, in units of grams? In the boxes above, enter the correct setup that would be used to solve this problem. 1 pt 1 pt Check Next (2 of 3) 1 pt 1 pt Submit Answer Try Another Version 2 item attempts remaining 1 pt

STPKsYapxmOBQpqJ9sYHEQf udwLFoPO2ojmMGw/edit s Help Last edit was seconds ago B U A G O O- E E E E E E - E - E E 14.5 3 4 5 6 You are asked to perform an experiment to determine the density of square block below. In order to complete your calculations you will need to (AKS 1b, DOK1). Question options: 1. Use the electronic balance to determine the mass of the block. 2. Use water displacement to determine the volume of the block. bD 1. Use the electronic balance to determine mass. 2. Use ruler to measure the length, width, and height to determine volume. C= 1. Use a pipet to determine the mass of the block. 2. Use water displacement to determine to volume of the block. Pr Au 立

please answer this properly and use the units that are asked in the answer please don't use anything else ASAp 5d please   please read everything than answer it

Cla Unit 1 Review Answer KEY- Goo X it 1 Quiz #4 Properties of MathX cl.castlelearning.com/Review/CLO/Student/Assignment/Questi Home - Hudl M East Rochest Quizlet Live Quizlet schools.org bookmarks Unit 1 Quiz #4 Pro 1 of 10 Question 1 Review Which statement describes a chemical property of hydrogen gas? 1. Hydrogen gas burns in air. 2. Hydrogen gas is colorless. 3. Hydrogen gas has a density of 0.000 09 g/cm at STP. 4. Hydrogen gas has a boiling point of 20. K at standard pre Standard

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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.

Question 20 of 26 > While driving your rental car on your vacation in Europe, you find that you are getting 13.4 km/L of gasoline. What does this value correspond to in miles per gallon? 13.4 km/L = mi gal about us privacy policy terms of use contact us help careers DD F12 F11

FINAL Experiment 1- January 2021_-789644623 - Saved Layout Review View Table A friend of yours went panning for gold last weekend and found a nugget that appears to be gold. With your newfound scientific prowess, you set out to determine if it is really gold. Your tests show that the nugget has a mass of 7.6 g. Immersing the nugget in water raised the volume from 7.22 mL to 8.06 mL. The density of gold is 19.32 g/cm3. What will you tell your friend? acer

-2 -1 0 +1 +2 +3 +4 +5 +6 +7 將門路 ?? 5NO2 + 6H+ + 2MnO4 R9 555 5NO3 + 2Mn+² + 3H2O Reset Help

Give mw the answers only please be specific on what the answer is for both not just a bunch of calculations

Question 10 of 19 > 1A (1) 2A (2) ЗА (13) 4A (14) 5A (15) 6A (16) 7A (17) 8A (18) Answer Bank ns ns²(n – 1)ď ns?(n – 1)d ns np ns (n - 1)d ns np ns (n – 1) ns (n – 1)d' ns np ns' ns np ns np ns np ns (n – 1)d bp

← X g 單 0 Priva Tern C My Account - MySam - Sam Hou X Content X Q mathway calculator - Search https://shsu.blackboard.com/ultra/organizations/_202946_1/cl/outline LI Lets start with the medical components. We need to determine how many units of the syringe connections can be made out of one metric ton of PEI, or around 2205 lbs of the plastic. X M Mathway | Basic Math Problem S X + 1 metric ton = 2205 lbs Starting material - PEI 1 metric ton ≈ 2205 lbs Calculation for number of units of each component: total weight of starting material PEI X Products Medical components Stopcock with Luer Connection, 1-way, male lock unit weight 2.72 g = 3/500 lbs 1 unit of medical component 1 weight of unit of component This calculation assumes all starting material is used during the production of the components. Medical components Products Stopcock with Luer Connection, 1-way, male lock unit weight 2.72 g 3/500 lbs Female Luer Lock 3/16" unit weight 0.63 g 7/5000 lbs Units = If necessary round to the…

duction to MasteringChemistry - Attempt 1 duction to Vocabulary Questions Reset Help maple 1. Hardwoods reproduce using flowers and have broad leaves; hardwoods include trees such as pine cedar elm and pine mango 2. Conifer leaves are generally thin and needle-like, while seeds are contained in cones. Conifers cedar include pine and elm elm 3. Deciduous trees lose their leaves seasonally and include trees such as mango and maple 4. Evergreens are plants that maintain their leaves in all seasons and include trees such as elm pine and cedar Submit Previous Answers Request Answer Introduction to Ma. fa トト」 トI fo fo ins prt sc 8% 8 9 10