Le equation Study guides, Class notes & Summaries
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AQA GCSE Chemistry Exam Questions With 100% Correct Answers
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AQA GCSE Chemistry Exam Questions 
With 100% Correct Answers 
How do you measure the rate of a reaction? - answerBy measuring the quantity of a reactant 
used or the quantity of product formed over time 
What is the equation for calculating the mean rate of a reaction by measuring the amount of 
reactant used? - answerMean rate of reaction = quantity of reactant used/time taken 
What is the equation for calculating the mean rate of a reaction by measuring the amount of 
product formed? - answerM...
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BIO202 Final Exam Questions and Answers
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BIO202 Final Exam Questions and Answers 
Which of the following best describes hormones? 
ted into ducts 
ced in large quantities 
l through neurons 
inate body activities -Answer-4. coordinate body activites 
Which large cells start as monocytes in the blood, but become fixed in the tissue they 
protect? 
rocytes 
phages 
hils 
ocytes 
ophils -Answer-2. macrophages 
3. Which of the following is a step in blood coagulation? 
1.HbO2 > Hb + O2 
nogen > pepsin 
bin > prothrombin 
nogen >...
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Chem 1020 Lab Exam Final exam questions and 100% correct answers
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Write the equation and explain in Le Chatelier: 
Barium chromate, BaCrO4, is insoluble in basic solution but dissolves readily in acidic solution - correct answer 2CrO4^2- + 2H^+ <---> Cr2O7^2- + H2O 
shift right 
 
Write the equation and explain in Le Chatelier: 
The addition of NaOH to the iron (III)-thiocyanate equilibrium causes the red color to disappear and a rust colored precipitate to form - correct answer FeSCN^2+ + 3NaOH <---> Fe^3+(OH)3 + SCN^- + 3Na^+ 
shift left 
 
Write...
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MCAT General Chemistry Latest Guide With Elaborated Answers.
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STP - correct answer 0°C and 1 atm 
 
Ideal Gas Law - correct answer PV = nRT 
 
At STP, 1 mol of gas will occupy ... - correct answer 22.4 L 
 
Characteristics of an Ideal Gas - correct answer 1. Gas molecules have zero volume 
2. Gas molecules exert no forces other than repulsive forces due to collisions 
3. Gas molecules make completely elastic collisions 
4. The avg. kinetic energy of gas molecules is directly proportional to the temperature of the gas 
 
Partial pressure of a gas (equation...
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AQA GCSE Chemistry Exam Questions With 100% Correct Answers
- Exam (elaborations) • 18 pages • 2024
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AQA GCSE Chemistry Exam Questions 
With 100% Correct Answers 
How do you measure the rate of a reaction? - answerBy measuring the quantity of a reactant 
used or the quantity of product formed over time 
What is the equation for calculating the mean rate of a reaction by measuring the amount of 
reactant used? - answerMean rate of reaction = quantity of reactant used/time taken 
What is the equation for calculating the mean rate of a reaction by measuring the amount of 
product formed? - answerM...
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Straighterline CHEM101 Final Exam | Latest Version | 2024/2025 | Rated A+
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Straighterline CHEM101 Final Exam | 
Latest Version | 2024/2025 | Rated A+ 
 
What is the empirical formula of a compound with the molecular formula C6H12O6? 
 CH2O 
 
How do you calculate the number of moles in 5 grams of sodium chloride (NaCl)? 
 Divide the mass of NaCl by its molar mass. 
 
Describe the difference between an ionic bond and a covalent bond. 
 
 An ionic bond involves the transfer of electrons between atoms, creating charged ions, while 
a covalent bond involves the sharing of ...
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General Chemistry II Final Exam (ACS) UVU 273 Questions with Verified Answers,100% CORRECT
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General Chemistry II Final Exam (ACS) UVU 273 Questions with Verified Answers 
 
If the pressure of a gas is increased at constant temperature, the volume ___. - CORRECT ANSWER Decreases 
 
If the pressure of a gas is decreased at constant temperature, the volume ___. - CORRECT ANSWER Increases 
 
If the volume of a gas is decreased at constant pressure, the temperature ___. - CORRECT ANSWER Decreases 
 
P ? T ? V ? - CORRECT ANSWER Pressure does the opposite of volume. 
 
Which of the following...
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SBB math/genetics Questions with correct answers
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Mendel - ANSWER-random/independent 
auto/dom - ANSWER-every generation/half children/equal male v female 
auto/recessive - ANSWER-siblings/no parents/ 1/4 kids/ equal male v female 
sex-linked dominant - ANSWER-X chromosome (homo all/hetero half) 
sex-linked recessive - ANSWER-X chromosome (higher men-from women 
carriers) 
Y-linked - ANSWER-father to son (all) 
chromosome 1 antigens - ANSWER-Rh/Duffy/Sc/Cr/Kn 
chromosome 9 antigens - ANSWER-ABO 
chromosome 19 - ANSWER-Lu/Le/Lw/Hh/Se 
Hardy-Wein...
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BIO 220 EXAM 2024 WITH 100% CORRECT ANSWERS ALREADY GRADED A+.
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flux 
Number of molecules through an area per time, rate of passive flow of "substances" down gradients 
 
 
 
fluid/bulk flow 
all the molecules (ex: air) 
 
 
 
 
Brainpower 
Read More 
Previous 
Play 
Next 
Rewind 10 seconds 
Move forward 10 seconds 
Unmute 
0:01 
/ 
0:15 
Full screen 
diffusion 
movement of one type of molecule (ex: O2) 
 
 
 
what on a graph tells us the flux 
slope 
 
 
 
driving force for flux 
the difference of molecules in versus out (out-in) 
 
 
 
process of inhalin...
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AQA GCSE Chemistry Exam Questions With 100% Correct Answers
- Exam (elaborations) • 18 pages • 2024
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eaction at a specific time from graph of the quantity of 
reactant used or the quantity of product formed? - answerBy measuring the gradient of a 
tangent drawn at that specific time on the graph 
What are the five factors that can affect the rate of a reaction? - answerConcentration of 
reactants in solution, pressure of reacting gases, surface area of solid reactants, temperature and 
the presence of a catalyst 
What theory can we use to explain how various factors affect the rate of a reactio...
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