Oat chemistry - Study guides, Class notes & Summaries

General Chemistry OAT Practice Questions

Chapter 03: The Emergence of Life True/False 1. One basic characteristic of living matter is that it is in chemical equilibrium; that is, it is in a stable, balanced condition with reciprocal reactions going on. Answer: False Page: 56 Explanation: One basic characteristic of living matter is that chemically it is not in equilibrium; that is, it is not in a stable, balanced condition with reciprocal reactions going on. Instead, in living cells energy flows take place as membranes let some ch...

OAT Practice Exam 3 Organic Chemistry Exam

13 Day 16 Week 3 Crack the OAT General Chemistry Video Crash Course Chapter 13 Exam

Accuracy - Answer-Refers to a measurement giving the actual value for a sample with a limited deviation; example: determining the weight of a sample to be 1g plus or minus 0.001g Precision - Answer-Repeatability of a set of measurements, and getting very close values to each other. Test tubes - Answer-small tubes that allow a large number of samples to be arrayed in a rack for easy processing. Beakers - Answer-Wide-mouthed cylinders with a lip to allow pouring Erlenmeyer flasks - Ans...

Accuracy - Answer-a measurement giving the actual value for the sample with limited deviation Precision - Answer-repeatability of a set of measurements on the same sample Test tubes - Answer-Good for small/large quantity of samples Round bottom flask - Answer-used for reaction, heating or vacuum Retort - Answer-round vacuum flask used for distillation Buret - Answer-Good for titrations, delivers liquid slowly Volumetric pipet - Answer-Delivers a single established volume of liq...

OAT Practice Exam 3 Organic Chemistry

13 Day 16 Week 3 Crack the OAT General Chemistry Video Crash Course Chapter 13 Exam

Ionic Bonds: - Answer--Electrons leave one atom (cation) and are held by another (anion). Covalent Bonds: - Answer--Electrons are shared between atoms. -Sharing can be equal (pure covalent) or unequal (polar covalent). Metallic Bonds: - Answer--Delocalized electrons spread over the surface of a metal. -D Orbital. Lewis-Dot Structures: - Answer--Dot is a free e- in a shell. -Line is an e- pair in a bond. Octet Rule: - Answer--Most atoms form bonds to achieve 8 valence e-. -Excepti...