Combustion reactions - Study guides, Class notes & Summaries

2 © OCR 2023 Section A You should spend a maximum of 20 minutes on this section. Write your answer to each question in the box provided. 1 Which reactions can be catalysed by an enzyme? A Combustion reactions B Electrolysis of metal ores C Reactions in biological systems D Reactions of metals with acids Your answer [1] 2 Which row correctly describes the Group 0 elements? Physical state at 25°C Reactivity A gas very reactive B gas very unreactive C liquid very reactive D liquid...

Exothermic Reaction - correct answer When heat is produced in the process of a chemical reaction Endothermic Reaction - correct answer When heat is absorbed from the reacting substances Endo and Exo thermic reactions - correct answer require an Activation Energy to begin 4 main methods for stopping a combustion reaction (putting out a fire) - correct answer Smothering Starvation Cooling Breaking the Chain Reaction the key ingredient in a combustion reaction is - correct answer oxy...

CHEM 334 Final Exam Questions and Answers, Latest Updated 2024/2025 | 100% Correct Answers. Write accurate structures for the following: CHEM 334 Final Exam Questions and Answers, Latest Updated 2024/2025 | 100% Correct Answers 8/6/22, 10:11 PM Final Exam 2/4 a) the conjugate base of 1-propyne b) a compound of formula C3H4O with ONLY sp2 carbons c) a good 3-dimensional structure for NH2OH (including lone pairs) d) a Newman diagram of anti 1-propanol e) a bicycloheptane of formula C7H12...

Chem 30 - Unit 3 Exam - Version 1 1. Write balanced chemical equations for each of the reactions making sure to include the states. As well, classify each of the reactions as synthesis, decomposition, combustion, single replacement, or double replacement. S

Mixture with uniform density throughout and no distinguishable coponents.Answer - Homogeneous Mixture Mixture in which the components are readily distinguished.Answer - Heterogeneous Mixture A change in which the checmical composition of a substance remains the same.Answer - Physical Change A change in which the chemical bonds are broken and reformed to create a new and different substance.Answer - Chemical Change The simplest of substances and is represented by a specific letter...

Detailed notes on Unit 6 - Organic Chemistry I covering all specifications points, and allowed me to achieve an A*. Covers bonding, types of formula, homologous series, naming organic compounds, isomerism, type of reactions, alkanes, alkenes, free radical substitution, electrophilic addition, halogenoalkanes, nucleophilic substitution, uses of halogenoalkanes, oxidation and combustion of alcohols.

chemistry o :# Science that deals with the composition, structures, and properties of matter, and how matter changes under different conditions. combustion o :# Rapid oxidation of a substance, accompanied by the production of heat and light compound molecules o :# (aka compounds) a chemical combination of two or more atoms of different elements in definite (fixed) proportions. element o :# The simplest form of chemical matter; an element cannot be broken down into a simpler substa...

HESI A2 ENTRANCEEXAM FOR CHAMBERLAINCOLLGE OF NURSING 2023 QUESTIONS WITH ANSWERS CHEMISTRY HESI A2 CHEMISTRY V1/V2 FILE 1. If a Hydrogen isin a compound, what would its oxidation number be? +1 2. What isthe oxidation number of any simple ion? +1 or -1 depending on the charge of the ion 3. How many kilograms are in a pound? 0. kg 4. What is the temperature for freezing point of water in Celsius? 0 degrees Celsius (32°F for Fahrenheit) 5. What is the conversion of Celsius to Fah...

IFSTA 7th EDITION ALL CHAPTERS Exam Questions With complete solution 2023-2024. The formal line of authority, responsibility, and communication within an organization - chain of command (P. 14) When an employee reports directly to just one supervisor. - Unity of Command (P. 14) Span of Control - 3 to 7. Optimal 5 (P. 14) Personnel that deliver emergency services to the public. - Line Personnel (P. 16) Personnel that provide administrative and logistical support for line personnel. - Staff P...

Metabolism: correct answer: Catabolism + anabolism Catabolism: correct answer: Breakdown/ degradation of macromolecules = net gain of energy. -cells use energy conversion strategy that oxidizes glucose. -Small bits of energy are released at several points in the pathway called ATP (energy currency) Anabolism: correct answer: Buildup of macromolecule = loss of net energy Stages of Catabolism: correct answer: Stage 1: hydrolysis of macromolecules into smaller micro molecules/ subuni...