Papersbylynn

CHEM 103 LAB EXAM QUESTIONS and What color and what type of reaction does Baeyer's test indicate when reacted with a Alkane? - ANSWERSTAYs purple NEGATIVE reaction What color and what type of reaction does Baeyer's test indicate when reacted with a Alkene? - ANSWERTURNS red POSTIVE reaction Bromine in CCl4 with Alkane - ANSWERturns the red-orange (NEGATIVE) ANSWERS 100% Correct!

Lab Video (Lab 1) - Chem 103 Exam Questions and Answe Which of the following statements about a beaker is/are true? - ANSWERA 50 mL beaker is more precise than a 250 mL beaker. rs 100% Correct!!

Chem 103 Module 6 Exam Questions & Answers 100% Accurate!! calorie (cal) - ANSWERunit of heat or other energy; the amount of energy required to raise 1 gram of water by 1 degree Celsius; 1 cal is defined as 4.184 J endothermic process - ANSWERchemical reaction or physical change that absorbs heat energy - ANSWERthe capacity to supply heat or do work exothermic process - ANSWERchemical reaction or physical change that releases heat

CHEM 103 - Module 5 Exams 100% Accurate!! ionic bonds - ANSWERtwo oppositely charged ions (2Na + Cl₂ = 2Na⁺+2Cl⁻) metals tend to ______ electrons - ANSWERlose nonmetals tend to ______ electrons - ANSWERgain covalent bonds - ANSWERshare at least one pair of electrons so both atoms have 8 valence electrons 2 types of covalent bonds - ANSWERpolar, nonpolar polar covalent bond - ANSWERunequal sharing of electrons, difference in electronegativity 0.5-1.6 nonpolar covalent...

Chem 103 Lab Exam 3 Questions & Answers Oxygen, O2 - ANSWERis a colorless, odorless gas that supports combustion. A glowing splint will brighten or burst into flame when thrust into the conatiner. Hydrogen, H2 - ANSWERis a colorless, odorless gas that burns in air. It is less dense than air and can be captured in an inverted vessel. A confined mixture of this and air (in an inverted test tube) will ignite with a "pop" when exposed to a flame. By contrast, pure __ will burn quietly with a b...

CHEM 103 Final Exam 100% Accurate!! Which of the following is an example of a physical property? a. Ability to change color b. Flammability c. Density d. Solubility Exam 1 - ANSWERc. Density Which of the following is evidence of a chemical change? a. Releasing bubbles of gas b. Floating in water c. Crystallization d. Vaporization e. None of the above Exam 1 - ANSWERa. Releasing bubbles of gas According to the metric system, 1 m = 0.001 what? a. cm b. mm c. dm d. km e. ...

CHEM 103 Lab Exam 1Questions and Answers 1 When making observations, what are the things you should describe? - ANSWERsmell, appearance, and state of matter of chemicals before and after the reaction, how long the reaction occurred, and names of chemicals What is the density of a substance? - ANSWERThe amount of matter contained in a specific sized sample of that substance; mass per unit of volume Will the density of a given substance always be the same despite the volume (as long as the ...

CPACE study Questions and Answers! California Williams Act - ANSWERallows equal access for public school students to instructional materials, safe learning environments, and quality teachers Transitional Kindergarten - ANSWERKindergarten Readiness Act of 2010 changed birth date requirement from Dec. 5 to Sept. 1, so all children will be 5 years old in K. Transitional Kindergarten was created for those children with birth dates between Dec. 2 and Sept. 2. ALL DISTRICTS must provide TK. It was...

CPACE Instructional Leadership Assignment Verified 100 Instructional Leadership Video E, V, A, G, I, C, R, T Each violet apple gives cold ice red treats - ANSWER* Engagement * Variation (subgroups) * Assessment * Grouping * Instructional Planning / Pacing * Classroom Management * Room Arrangement * Teacher - Student Interactions Instructional Leadership Engaging and Supporting Students in Learning 1. Were the lesson objectives clear? Objective * Learning objective is...

CPACE Practice Test 5 Questions and Answers 100% Correct!According to the National Board for Professional Teaching Standards, which instructional staff evaluation standard deals with usability and effectiveness? Propriety. Utility. Feasibility. Accuracy. - ANSWERCorrect answer: Utility Explanation: According to The National Board for Professional Teaching Standards, there should be certain professional standards in place. These are: -Propriety (ethical and legal) -Utility (useable and ...