Reactant - Guides d'étude, Notes de cours & Résumés

The limiting reactant in a chemical reaction is the reactant that A. is used up at the end of the reaction. B. is left over after the reaction. C. has the largest number of atoms. D. has the fewest number of atoms. - correct answer Correct Answer: A. is used up at the end of the reaction. How many water molecules (H2O) can be produced from 6 molecules of hydrogen gas (white) reacting with 6 molecules of oxygen gas (red)? Which reactant is...

AQA GCSE Chemistry Question and answers 100% correct 2024 Mean rate of reaction (with reactant) - correct answer Rate of reaction: Quantity of reactant used ---------------------------- Time taken Mean rate of reaction (with product) - correct answer Rate of reaction: Quantity of product formed ---------------------------- Time taken Measurements for quantity of product or reactant - correct answer Either as mass in g or as volume in cm³ Measurements for the rate of rea...

CHRM Chem 161 Exam 2 Questions & Answers 2024/2025 Chemical Kinetics - ANSWERS- how fast the reactants change into products occur Reaction Rate - ANSWERSthe change in the concentrations of reactants (or products) as a function of time Different reactions have different rates: - ANSWERSin a faster reaction (higher rate), the reactant concentration decreases quickly, whereas in a slower reaction (lower rate), it decreases slowly Four control factors that affect rate: - ANSWERS1) the ...

CHEM 104: General Chemistry II MODULE 1 Exam Questions And Latest Updated 2024/2025. Temperature/Reaction Rate - Increase, higher temperature provides higher kinetic energy Catalyst/Reaction Rate - Increase, without being consumed Surface Area/Reaction Rate - Increase, increased surface area of particles increases reaction rate because solids only react at their surfaces (grinding solid into fine powder) Concentration/Reaction Rate - Increase, provides more reacting particles to undergo r...

Biology 123 lab exam 1 questions and answers correct and verified 100%Biology 123 lab exam 1 questions and answers correct and verified 100%Biology 123 lab exam 1 questions and answers correct and verified 100%Biology 123 lab exam 1 questions and answers correct and verified 100% total magnification= ocular magnification + objective magnification - correct answers-what is the formula for total magnification? ocular and objective - correct answers-what are the two types of lens on a microsc...

NCATT AET LATEST EXAM QUESTIONS WITH CORRECT DETAILED ANSWERS GRADED A+ What determines whether the vector is positive or negative is - Answer-determined if the circuit is more capacitate reactant or inductive reactant Voltage is common - Answer-in a parallel circuit If asked to determine impedance in a parallel cuircuit, you will need to determine - Answer-the total current in the circuit Resonance - Answer-a condition where the capacitive and inductive reactance of an LC circuit a...

Mean rate of reaction (with reactant) - CORRECT ANSWER-Rate of reaction: Quantity of reactant used ---------------------------- Time taken Mean rate of reaction (with product) - CORRECT ANSWER-Rate of reaction: Quantity of product formed ---------------------------- Time taken Measurements for quantity of product or reactant - CORRECT ANSWER-Either as mass in g or as volume in cm³ Measurements for the rate of reaction - CORRECT ANSWER-Either as g/s, cm³/s, or mol/s Factors which af...

How do you measure the rate of a reaction? - Answer By 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? - Answer Mean 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? - Answer Mean rate of reaction = quantity of product formed/ti...

Most of the cell membrane's specific functions are controlled by: - Proteins Alcoholic Fermentation is a form of: - Anaerobic Respiration Phagocytosis is a form of: - Endocytosis What is a pyruvate? - Pyruvate is an important chemical compound in biochemistry. It is the output of the metabolism of glucose known as glycolysis. One molecule of glucose breaks down into two molecules of pyruvate, which are then used to provide further energy, in one of two ways. What are the small spher...

Mean rate of reaction (with reactant) - Answer Rate of reaction: Quantity of reactant used ---------------------------- Time taken Mean rate of reaction (with product) - Answer Rate of reaction: Quantity of product formed ---------------------------- Time taken Measurements for quantity of product or reactant - Answer Either as mass in g or as volume in cm³ Measurements for the rate of reaction - Answer Either as g/s, cm³/s, or mol/s Factors which affect rate of c...