History for ’Summative Quiz for Chapter 49’ Item: Summative Quiz for Chapter 49 Score: 100% (Modified) Due: Monday‚ May 04‚ 2015 11:59 PM Submitted: Friday‚ March 06‚ 2015 2:26 PM Answers: 1. The primary respiratory gases are _______ and _______. nitrogen; carbon dioxide nitrogen; helium oxygen; nitrogen. oxygen; carbon dioxide Correct nitrogen; hydrogen See Section 49.1: What Physical Factors Govern Respiratory Gas Exchange? Score: 1 of 1 2. Which of the following best
Premium Carbon dioxide Respiratory system Oxygen
Combustion of Acetylene (ethyne) Rx: Back Why I don’t do acetlyene explosions in our lab.... Combustion of alkanes A quick review.... • Combustion reactions of alkanes consist only of C and H (hydrocarbon) • require O2(g) as a reactant • produce CO2(g) and H2O(g) and a large amount of energy!! Oxygen can be the limiting reagent which can lead to Incomplete combustion. For complete combustion of a hydrocarbon‚ oxygen must be in excess. If there isn’t sufficient oxygen‚ incomplete combustion occurs
Premium Oxygen Carbon dioxide Petroleum
the KCLOx/KCLO mixture. IV. Results- KCLOx 1. 19.78 g 2. 21.88 g 3. 2.10 g 4. 21.12 g 5. 1.34 g KCL 6. .66 g O2 7. .017 mol KCL 8. .041 mol O2 9. KCLO3 10. 2 KCLO3 ( 2 KCL + 3 O2 KCL/ KCLOx 1. 23.79 g 2. 25.83 g 3. 2.04 g 4. 25.38 g 5. 1.59 g KCL 6. .45 g O2 7. .014 mol O2 8. .009 mol KCLOx 9. 1.10 g KCLOx 10. .539 % KCLOx in mixture V. Conclusion- This lab showed us how stoichiometry can be
Free Stoichiometry Chemical reaction Yield
accompanies the formaCon of one mole of a compound from its elements with all substances in their standard states. 1/2N2(g) + O2(g) NO2(g) ΔHf° = 34 kJ/mol ΔHf° = -‐239 kJ/mol C(s) + 2H2(g) + 1/2O2(g) CH3OH(l) In Appendix 4 32 STANDARD ENTHALPIES OF FORMATION Conven1onal
Premium Ethanol fuel Energy development Enthalpy
James Joyce represents everyday life of Dublin in the early twentieth century in his collection of short stories‚ Dubliners. Dubliners consists of 15 stories and each of them unfolds lives of many different Dubliners vividly. By describing details of ordinary life and characters’ inner life‚ which is described by their interior monologue‚ Joyce succeeds in showing the realistic landscape of the inner space of Dubliners as well as that of outer space‚ the city Dublin at the turn of the century. Joyce tries
Premium United States Immigration Ireland
Seamus Heaney: Tribal Practises Heaney has referred to ancient tribal practices as ‘providing imaginative parallels to modern Irish politics’. Examine Punishment and at least two other poems in light of this statement. Throughout both ‘North’ and ‘Wintering Out’ Heaney uses his chief poetic value as a ‘tribal poet’ to explore and reveal his feelings on Irish politics. The changing face of his tribal poetry strongly reflects Heaney’s shifting attitude to the solution of the problems in Ulster
Premium Irish people Republic of Ireland Irish language
Chemistry 101 Chapter 6 THERMOCHEMISTRY · Thermochemistry is the study of the quantity of heat energy released or absorbed in a chemical reaction. Example: the burning of fuel: is a heatevolving reaction · Heat : · Energy: is a form of energy the potential to do work (to move matter) exists in many different forms: Electrical energy Kinetic Energy (energy of motion) Light energy Heat energy Chemical energy (energy of substances) · Different forms of energy can be interconverted
Premium Enthalpy Energy Thermodynamics
Telefónica From Wikipedia‚ the free encyclopedia "Telefônica " redirects here. For Brazilian telecommunication company‚ see Telefônica Brasil. Telefónica‚ S.A. Telefonica Logo.svg Type Sociedad Anónima Traded as BMAD: TEF NYSE: TEF LSE: TDE BVL: TEF BCBA: TEF Industry Telecommunications Predecessor(s) Compañía Telefónica Nacional de España (CTNE) Founded 19 April 1924 (CTNE) Headquarters Madrid‚ Spain Area served Worldwide Key people César Alierta (Chairman and CEO) Products Fixed
Premium Mobile phone Mobile network operator Telephone company
Chi-square calculation of phenotype I (awn-awnless) and genotype (RM106) correlation. Genotype Phenotype Row total (p) Awn Awnless Observed number (O1) Expected number (E1) Chi square‚X2 (O1-E1)2 / E1 Observed number (O2) Expected number (E2) Chi square‚X2 (O2-E2)2 / E2 RM106_a 0 0.58 0.58 1 0.42 0.80 1 RM106_b 2 3.50 0.64 4 2.50 0.90 6 RM106_c 6 3.50 1.79 0 2.50 2.50 6 RM106_d 3 2.33 0.19 1 1.67 0.27 4 RM106_e 3 4.08 0.29 4 2.91 0.41 7 Column
Premium Genetics
| 2CO(g) + O2(g); ΔH= 559 kJWhich of the following changes will cause an increase in the equilibrium concentration of CO?Answer increasing the pressure of the system at constant temperature | adding more O2 to the system | removing CO2 from the system | increasing the temperature of the system | adding a catalyst | 4 points Question 5 Which of the following correctly describes the equilibrium constant for the gas-phase reaction between H2 and O2 to form gaseous
Premium Chemical equilibrium Oxygen