Cl2 Study guides, Class notes & Summaries
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ACS Chemistry general Exam Questions and Correct Answers
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what will cause an equilibrium shift to the right 
 ~~~ the removal of Cl2 
heat + CaSO3 ->equal-> CaO + SO2 
what will cause an increase in pressure when equilibrium is reestablished? 
 ~~~ increasing the reaction temperature 
the numerical value of the equilibrium constant for any chemical change is effected 
by changing the what 
 ~~~ the temperature 
heat + C + CO2 ->equil-> 2CO 
if pressure is increased but temperature is kept constant, what will be the result? 
 ~~~ CO will de...
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RNAS C Practice Test Review 437 Questions with Verified Answers,100% CORRECT
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RNAS C Practice Test Review 437 Questions with Verified Answers 
 
A capacitor and resisitor in parallel - CORRECT ANSWER will have same voltage across since in parallel. 
if in series, voltage drops would occur 
 
they can be treated together 
 
If the absolute pressure of a gas is increased from 3 atm to 4 atm at constant volume, then the absolute temperature of the gas will increase by: 
A. 25%. 
B. 33%. 
C. 67%. 
D. 75% - CORRECT ANSWER B. Assuming the validity of the Ideal-Gas law, PV = n...
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Knewton's Alta Module 13 test- with Questions with 100% Correct Answers
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What type of change is dissociation? 
A) Chemical 
B) Kinetic 
C) Physical 
D) Enthalpic - Answer C) Physical 
Which of the following molecules can participate in dipole-dipole interactions? 
A) HCl 
B) Cl2 
C) CCl4 
D) CH4 - Answer A) HCl
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Praxis II Middle School Science 5440 Latest Update Graded A+
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Praxis II Middle School Science 5440 
 
Latest Update Graded A+ 
 
"Zeroth" Law of Thermodynamics If systems 1 and 2 are both in equilibrium with 3, then 1 
and 2 are also in equilibrium with each other. 
 
1st Law of Thermodynamics Matter and energy are conserved (energy in = energy out) in a 
closed system. 
 
2 elements - liquid at room temperature Hg, Br 
 
2nd Law of Thermodynamics Entropy always increases in a closed system. Not all energy is 
transferred; some is "lost" as heat. 
 
3r...
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CEM 141-Exam 1 Latest Update Already Graded A
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CEM 141-Exam 1 Latest Update Already 
 
Graded A 
 
Matter is made up of Atoms 
 
The the smallest distinguishable part of an element Atom 
 
Can change overtime according to the evidence available Theories 
 
ALL atoms/molecules attract to one another due to Electrostatic forces 
 
________ lower potential energy of a system Attractions 
 
_____ raise potential energy of a system Repulsions 
 
Stable systems form where The attractive and repulsive forces are EQUAL or the potential 
energy is at...
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ACS Chemistry I Final Exam Practice Test 2023 with 100% correct answers
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Acids & Bases: 
1. All are examples of Lewis acid-base reactions except 
(A) Cu2+(aq) + 4NH3(aq) →← [Cu(NH3)4]2+(aq) 
(B) HCl(g) + NH3(g) → NH4Cl(s) 
(C) H+(aq) + OH-(aq) →← H2O(l) 
(D) 2Na(s) + Cl2(g) → 2NaCl(s) - correct answer (D) 2Na(s) + Cl2(g) → 2NaCl(s) 
 
2. According to the Lewis definition, an acid is a species 
(A) having a hydrogen ion. (B) donating a pair of electrons. 
(C) accepting a pair of electrons. (D) accepting a hydrogen ion. - correct answer (C) accepting ...
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Praxis PT#2 Middle School Science |Questions Solved 100% Correct
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. A sample contains 8 g 8 gramsof a radioisotope that has a half-life of 10 years. How 
much time is required for the sample to decay until approximately 1 g one gramof the 
isotope remains in the sample? - ANSWER 30 years is correct. If the half-life of the 
substance is 10 years, then every 10 years the amount of the isotope is decreased by 
half. Thus, it requires three half-lives, or 30 years, for the isotope to decay until 
approximately 1 gone gram remains in the sample. 
2. Which of the f...
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REHS Practice Test exam 2023 with 100% correct answers
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Soil permeability procedure involves evaluating a soil core or test pit. What does the procedure yield? 
 
a. Permeability estimated seepage rate 
b. Permeability estimated application rate 
c. Permeability estimated range - correct answer b. Permeability estimate 
 
How does chlorine kill microorganisms and bacteria? 
 
a. By weakening enzymes and destroying internal organelles 
b. By attacking lipids in cell walls and destroying enzymes and structures inside 
c. By breaking bonds and poisoni...
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CEM 141-Exam 1 Latest Update Already Graded A
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CEM 141-Exam 1 Latest Update Already 
Graded A 
Matter is made up of Atoms 
The the smallest distinguishable part of an element Atom 
Can change overtime according to the evidence available Theories 
ALL atoms/molecules attract to one another due to Electrostatic forces 
________ lower potential energy of a system Attractions 
_____ raise potential energy of a system Repulsions 
Stable systems form where The attractive and repulsive forces are EQUAL or the potential 
energy is at a minimum 
The ...
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CHEM 101 Final Exam Real Exam Questions and Answers (Verified Answers) Already Graded A+
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CHEM 101 Final Exam Real Exam Questions and Answers (Verified Answers) Already Graded A+ 
Which one of the following best describes Charles's Law? 
A) The volume of a gas is directly proportional to the temperature of the gas. 
B) The pressure of a gas is directly proportional to the temperature of the gas. 
C) The volume of a gas is directly proportional to the moles of a gas. 
D) The pressure of a gas is inversely proportional to the volume of a gas. - Answer A) The volume of a gas us direct...
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