Le equation Study guides, Class notes & Summaries

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...

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 &gt...

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...

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...

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...

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 ...

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...

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...

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...

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...