Chem equations - Study guides, Class notes & Summaries

CHEM 120N| EDAPT BALANCING CHEMICAL EQUATIONS QUIZ WITH CORRECT ANSWERS| 2024

CHEM 210 MODULE 3 EXAM QUESTIONS AND CORRECT ANSWERS, WITH COMPLETE SOLUTION 2024. What is meant by the term average bond enthalpy? (Average enthalpy change) when one mole of bonds of (gaseous covalent) bonds is broken The calculated value of ΔHc from this experiment is different from the value obtained from data books. Apart from heat loss, suggest two reasons for the difference. Assume that the calculation has been carried out correctly. incomplete combustion non-standard conditi...

Chem 101 Final Exam Questions And Answers Latest Top Score. Ionic Compound - correct answer. a compound composed of positive and negative ions that are combined so that the numbers of positive and negative charges are equal Covalent Compound - correct answer. a chemical compound formed by the sharing of electrons The Ideal Gas Law - correct answer. PV = nRT. Tells you how a gas responds to a change in its physical conditions. change P, V or T, and the others adjust ...

CHEM 131 Introduction to Chemistry with Lab Test | Guide 2023. Suppose you were tasked with producing some nitrogen monoxide (a.k.a. nitric oxide). I'm sure this is often requested of you. You can do it by combusting ammonia (be careful!). The equation would be as follows: 4NH3 + 5O 2→ 4NO + 6H2O. If you form 3.50 mol of water, how much NO forms? A.2.33 mol. B.4.00 mol. C.4.50 mol. D.6.75 mol. E.none of the above Answer Key: A Feedback: Good. See section 8.6 Question 9 of 12 0.0/ ...

CHEM 210 MODULE 3 EXAM QUESTIONS AND CORRECT ANSWERS, WITH COMPLETE SOLUTION 2024. What is meant by the term average bond enthalpy? (Average enthalpy change) when one mole of bonds of (gaseous covalent) bonds is broken The calculated value of ΔHc from this experiment is different from the value obtained from data books. Apart from heat loss, suggest two reasons for the difference. Assume that the calculation has been carried out correctly. incomplete combustion non-standard conditi...

Chem 162 Final Exam Questions and Answers Latest Updated 2024/2025 (Graded A+) Chemistry definition correct answers Study of structure, properties, transformations of matter Matter correct answers Anything that has mass + takes up space Phases: solid, liquid, gas Condensed phases = solids + liquids Intermolecular Forces (IMF) correct answers = Interactions between molecules/atoms/ions Solution correct answers = Homogenous mixtures of 2+ pure substances In a solution, the solute is disperse...

CSM CHEM 210 Final Exam Questions and Correct Answers, With Complete Solution 2024. If the fuel efficiency of an automobile is 22 miles per gallon, what is its fuel efficiency in Kilometers per liter? ( 1Km= 0.621 mile, 1.00 L=1.057 quarts and 4 quarts = 1 gallon) 9.4 Km/L *What is the correct answer to the following expression: (49.1 - 42.61 ) x 13.1? 85 An intensive property of a substance is independent of amount. True Lithium has two stable isotopes with masses of 6.01512 amu and 7...

Chem 162 Final Exam Questions and Answers Latest Updated 2024/2025 (Graded A+) Chemistry definition correct answers Study of structure, properties, transformations of matter Matter correct answers Anything that has mass + takes up space Phases: solid, liquid, gas Condensed phases = solids + liquids Intermolecular Forces (IMF) correct answers = Interactions between molecules/atoms/ions Solution correct answers = Homogenous mixtures of 2+ pure substances In a solution, the solute is disperse...

CHEM 101 Exam Questions With Complete Solutions All of the following are reasons why chemistry is known as the "central science", EXCEPT: A. Many biological processes involve chemical reactions. B. Because it intersects with and provides a basis for a variety of other scientific disciplines. C. Because it is crucial to understanding other scientific concepts like energy transfer. D. Because it was created to study all other sciences. - ANSWER- Because it was created to study all...

If the fuel efficiency of an automobile is 22 miles per gallon, what is its fuel efficiency in Kilometers per liter? ( 1Km= 0.621 mile, 1.00 L=1.057 quarts and 4 quarts = 1 gallon) - answer9.4 Km/L *What is the correct answer to the following expression: (49.1 - 42.61 ) x 13.1? - answer85 An intensive property of a substance is independent of amount. - answerTrue Lithium has two stable isotopes with masses of 6.01512 amu and 7.01600 amu. The average atomic mass of Li is 6.941 amu. What is th...