Chemistry honors Study guides, Class notes & Summaries

What is a quantitative measurement? ess rature - Arature Earth attracts all objects to its surface. This Statement is a(n) ________. hesis y tific law vation - Atific law What is the correct measurement marked by the arrow a.17.077 b.17.8 c.17.76 d.17.7 - Answer-c.17.76 The accepted value is 29.35. Which correctly describes this student's experimental data? Trial: Measurement: 1 29.48 2 28.97 3 29.27 ate but not precise se but not accurate and precise er accurate nor pr...

Honors Chemistry Semester 1 Final Review 2024 Questions and Answers 100% Pass independent variable - Answer- variable that will change dependent variable - Answer- value that changes when the independent variable change chemistry - Answer- the study of the composition of matter and its change inertia - Answer- resistance to a change in motion qualitative data - Answer- descriptive, non numeric information quantitative data - Answer- definite numerical information hypothesis - Answer- te...

A Golf Ball has more mass than a tennis ball because it___. A. Takes up more space B. Contains more matter C. Contains different kinds of matter D. Has a definite composition - Answer-Contains more matter All of the following are physical properties of matter EXCEPT___. A. Mass B. Color C. Boiling Point D. Ability to Rust - Answer-ability to rust Which state of matter is characterized by having an indefinite shape, but a definite volume? A. Gas B. Liquid C. Solid D. None of the Abo...

Honors Chemistry Final Exam Review 2024 Questions and Answers 100% Pass the number one decimal place smaller than the smallest given unit; must be estimated - Answer- Uncertain Number how repeatable and consistent a measurement is - Answer- Precision how close to the accepted value a measurement is - Answer- Accuracy The number of protons in an atom, unique to each element, used to define an element. - Answer- Atomic Number the mass of the nucleus. also protons+neutrons - Answer- Mass Nu...

a broad generalization that explains a body of facts or phenomena - Answer-theory a testable statement - Answer-hypothesis a measure of the quantity of matter - Answer-mass a measure of the gravitational pull on matter - Answer-weight the closeness of measurements to the correct or accepted value of the quantity measured - Answeraccuracy the closeness of a set of measurements of the same quantity made in the same way - Answerprecision consists of all the digits known with certainty plus on...

Honors Chemistry study guide with Complete Solutions Anything that has mass and takes up space - Answer- Matter A set of controlled observations that test a hypothesis - Answer- Experiment A measure that reflects the amount of matter - Answer- Mass A characteristic of matter that can be observed or measured without changing the sample's composition. Example: density, color, taste, hardness, and melting point - Answer- Physical property A form of matter that flows, has constant volume, a...

Mole - Answer-SI unit for measuring the amount of substance; Molar Mass - Answer-the mass of a mole of an element Representative particles - Answer-refers to the species present in a substance: usually atoms, molecules, or formula units Avogadro's number - Answer-the number of representative particles in a mole Avogadro's hypothesis - Answer-states that equal volumes of gases at the same temperature and pressure contain equal numbers of particles Molar volume - Answer-the quantity, 22.4...

Honors Chemistry: Nuclear Decay Questions and Answers Complete

the law that states that mass cannot be created or destroyed in ordinary chemical and physical changes - Answer-law of conservation of mass the law that states a chemical compound always contains the same elements in exactly the same proportions by weight or mass - Answer-law of definate proportions the law that states that when two elements combine to form two or more compounds, the mass of one element that combines with a given mass of the other is in the ratio of small whole numbers - A...