Reactant Study guides, Revision notes & Summaries

A LEVEL CHEMISTRY EXAM WITH COMPLETE SOLUTIONS alkali - A type of base that dissolves in water forming hydroxide ions, OH- (aq) ions. alkanes - The homologous series with the general formula: CnH2n+2. alkyl group - An alkane with a hydrogen atom removed, e.g. CH3, C2H5; alkyl groups are often shown as 'R'. amount of substance - The quantity whose unit of the mole. Chemists use 'amount of substance' as a means of counting atoms. anhydrous - A substance that contains no water mo...

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...

NR570/ NR 570 Midterm Exam (Latest 2024/ 2025 Update) Common Diagnosis & Management in Acute Care Complete Review| Questions and Verified Answers| 100% Correct |Grade A – Chamberlain Q: Iron An essential element for a blood production Recycled in conserved by the body Necessary to produce him Diurnal Q: Ferritin Answer: -Storage form of iron (apo-protein) -About 25% of iron is stored as this -Acute phase reactant Q: normal iron level Answer: 50-150 mcg/dL Q...

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...

AQA GCSE CHEMISTRY 8462/2H Paper 2 Higher Tier Question Paper + Mark scheme [MERGED] June (2023/2024)(VERIFIED) Mean rate of reaction (with reactant) - ans -Rate of reaction: Quantity of reactant used ---------------------------- Time taken Mean rate of reaction (with product) - ans -Rate of reaction: Quantity of product formed ---------------------------- Time taken Measurements for quantity of product or reactant - ans -Either as mass in g or as volume in cm³ Measurements for ...

Kinetics - the study of rates of reactions and how they are influenced by certain factors Influences Reactions Rates - Concentration, temperature, catalysts, surface area 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 powde...

Exam 2: BIOS 242 / BIOS242 Review (Latest 2024/ 2025 Update) Fundamentals of Microbiology with Lab| Questions and Verified Answers| 100% Correct| Grade A- Chamberlain Q: what are enzymes? Answer: biological catalysts that increase the rate of a chemical reaction Q: is needed for a reaction to occur Answer: activation energy Q: true or false: enzymes lower the activation energy Answer: true Q: enzymes act on reactant molecules known as Ans...

Kinetics Quiz 3 Study SetAs the relative costs of the reactor increase, which of the following are generally expected to be true for positive order reactions? a. The reactor volume will need to be larger b. Higher conversions will generally be optimal c. A CSTR will be desirable over a PFR d. Lower conversions will generally be optimal e. None of the above - correct answer d. Lower conversions will generally be optimal If reactor costs are relatively expensive as compared to the other cost...

AQA GCSE Chemistry Paper 2 Correctly Answered Exam Questions 2024. How do you measure the rate of a reaction? - CORRECT 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? - CORRECT 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...

Student Exploration: Collision Theory Vocabulary: activated complex, catalyst, chemical reaction, concentration, enzyme, half-life, molecule, product, reactant, surface area