Net ionic equation - Study guides, Class notes & Summaries

Chapter 3: Chemical Reactions 1. Which of the following cannot be determined from a balanced chemical equation? a. b. c. d. e. ANSWER: POINTS: TOPICS: OTHER: The number of molecules of reactants and products. The number of atoms of each element reacting. The number of moles of reactants and products. The relative mass of each reactant and product. Whether the reaction will proceed as written. e 1 3.1 Chemical Equations Comprehension 2. In the reaction given below, if 12 moles of aluminu...

CHEM 209 Quiz 1 Latest Update Graded A+ Question: What is a back titration? - a. A method where excess titrant is added first and then the remaining is titrated - b. A titration where the initial solution is known and the excess is titrated carefully - c. A technique involving titration with a known excess of titrant, followed by titration of the excess - Answer: c. A technique involving titration with a known excess of titrant, followed by titration of the excess Explanation...

WSU Chem 101 Exam 2 Nishida Latest Update with Verified Solutions Scientific Notation A compact way to write very large or very small numbers SI Units Specific units of measurements defined by the International System of Units Metric Prefixes Used to express very large or very small values Mass Measured amount of matter in an object Weight Measured gravitational force that the Earth (or other large bodies) exert on an object Temperature The measured amount of heat energy in an...

A______________ represents both the identities and the relative quantities of substances undergoing a chemical change. chemical equation The reaction between methane and oxygen yields. carbon dioxide and water Substances undergoing reaction are called _____________, while the substances produced in the reaction are called _____________. reactants, products The relative numbers of reactant and product species are represented by_______________. coefficients Coeffici...

Chem 1201 Exam 2 With 100% Correct And Verified Answers 2024 Aqueous Solution - Correct Answer-A solution in which water is the solvent. Solvent - Correct Answer-The dissolving medium of a solution; it is normally the component of a solution present in the greater amount. Solute - Correct Answer-A substance dissolved in a solvent to form a solution; it is normally the component of a solution present in the smaller amount Electrolyte - Correct Answer-A solute that produces ions in solut...

m   1. Which of the following is the mRNA start codon in most cases? A. UAA B. AGU C. AUG D. UGA 2. Which of the types of RNA is the smallest? A. mRNA B. tRNA C. rRNA D. 3. Which of the following is not considered a pyrimidine? A. C B. T C. U D. G 4. Which of the following is paired correctly? A. A-G B. C-G C. A-U D. G-T 5. Which of the following characterizes a Western blot? A. Antibody/protein hybridization B. DNA/RNA combination C. RNA ...

3 driving forces for a metathesis reaction 1. Precipitation 2. Gas 3. Formation of a weak or non-electrolyte 7 s trong acids - HCl = hydrochloric acid - HBr = hydrobromic acid - HI = hydroiodic acid - H2SO4 = sulfuric acid - HNO3 = nitric acid - HClO3 = chloric acid - HClO4 = perchloric acid Accuracy How close a measurement is to its true value Average X ̅ = (∑Xi )/n Boiling point The temperature at which the vapor pressure of the liquid equals the prevailing atmospheric pressure...

Matter Most basic building block. Must have mass and volume Elements Simplest form of matter, can't decompose any further Molecules Two or more atoms "linked" together Compounds Mixes of two or more elements bonded together Sig Fig.- x & / As many as the least number Sig Fig.- + & - As many as the least behind the decimal point Law of Definite Composition Components in a compound always have the same ratio by mass Law of Multiple Proportions Ratios of elements that combine to m...

C125 EXAM-QUESTIONS WITH CORRECT ANSWERS 3.Write a balanced chemical equation noting all species and states of matter 4.Break up any aqueous compound into its ions to write the total ionic equation (including states of matter) 5.Cancel out any spectator ions 6.Write the remaining species as the net ionic equation Endothermic - Answer- - Absorbs heat from the surroundings - Becomes colder; requiring a gain of energy Exothermic - Answer- - Releases energy to it surroundings ...

ionic compounds -deals with charged particles -oppositely charged particles are attracted to each other -look for presence of metals and polyatomic ions molecular compounds -share electrons -nonmetals -no polyatomic ions unless its an acid Type I metals -ionic compounds -group 1A,2A,3A -one type of charge state -Name of metal +ion -if metal+nonmetal: name of metal+base name of nonmetal +ide -if metal+polyatomic ion: name of metal+name of polyatomic ion Type II metals -ionic com...