Chem 131 - Study guides, Class notes & Summaries

Atom correct answer: Smallest quantity of matter that retains the properties of matter. Building blocks of all matter Element correct answer: A substance made up of a single type of atom. α Particle correct answer: A positively charged particle consisting of two protons and two neutrons, emitted in radioactive decay or nuclear fission. β Particle correct answer: High-speed electron, especially emitted in radioactive decay γ Rays correct answer: high-energy electromagnetic rad...

Foodborne outbreak correct answers An incident in which two or more people experience a similar illness resulting from the ingestion of a common food. Recall correct answers A voluntary action by a manufacturer or distributor to protect the public from products that may cause health problems. Generation time correct answers The time required for a cell to divide and its population to double. All of these are causes of foodborne disease outbreaks EXCEPT: correct answers Consumption...

MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. 1) Which of the following is the general electron configuration for the outermost electrons of elements in the alkaline earth group? 1) A) ns2np5 B) ns2 C) ns1 D) ns2np6(n -1)d6 E) ns2np4 2) Which of the following is the electron configuration for the bromide ion? 2) A) [Kr]5s24d105p7 B) [Xe] C) [Kr] D) [Ar] E) [Ar]4s23d104p7 3) Valence electrons are electrons located 3) A) in the out...

Atoms correct answer: the basic building blocks of all matter. The smallest unit of an element that can combine with other elements. Subatomic Particles correct answer: The smaller particles that make up atoms - protons, neutrons and electrons. cathode rays correct answer: streams of electrons that are produced when a high voltage is applied to electrodes in an evacuated tube Radioactivity correct answer: The spontaneous emission of radiation by an unstable atomic nucleus Nuclear...

This is a comprehensive and detailed note for Chem 1312; with emphasis on chapter 16; Acids and bases. You'll need it!!

CHEM 1311 Test 1 Questions With Complete Solutions

This is a comprehensive and detailed note for Chem 1312; with emphasis on Chapter 14; Entropy, free energy and equilibrium. You'll need it!!

Solutions can exist in all 3 physical states correct answer: Solid: metal alloys (2 or more metals) Gas: Ex: Air — made of nitrogent oxygen and other gases Liquid: this is what we will be primarily discussing in this chapter, mostly solutions where water is the solvent AKA aqueous solutions Nonpolar solvents dissolve_______ correct answer: Nonpolar solutes Polar solvents dissolve______ correct answer: Polar solutes and many iconic solutes Polar correct answer: unequal sharing of...

The Greeks correct answerstried to explain chemical changes, proposed four fundamental substances (earth, fire, water, air), first proposed atoms as fundamental particles The Alchemists correct answers"pseudoscience"/tried to change a base metal of lead into gold Robert Boyle correct answersFirst "chemist"/quantitative measurements on gases/proposed the concept of elements Joseph Priestly correct answersdiscovered oxygen/carefully studied chemical reactions Law of Mass Conservati...

This is a comprehensive and well outlined note for Chem 1312, with emphasis on chapter 18; Electrochemistry. You'll need it!!