Avogadro constant - Study guides, Class notes & Summaries

Amedeo Avogadro was able to show that in a mole of any gas there are how many molecules? a. 6.023 b. 6.023 x 10^23 c. 6.023 x 10^24 d. 6.023 x 10^15 correct answer: *b. 6.023 x 10^23* N&P Ch. 14, pg. 224 Jennifer Which law states that when pressure is constant, volume and temperature are directly proportional to one another? a. LaChatelier's b. Boyle c. Charles d. Gay-Lussac correct answer: *c. Charles* N&P Ch. 14, pg. 224, table 14-5 Jennifer A rapid expansion or co...

Quantity speed of light in vacuo permeability of free space permittivity of free space magnitude of the charge of electron the Planck constant gravitational constant the Avogadro constant molar gas constant the Boltzmann constant the Stefan constant the Wien constant electron rest mass (equivalent to 5.5 × 10–4 u) magnitude of electron charge/mass ratio proton rest mass (equivalent to 1.00728 u) proton charge/mass ratio neutron rest mass (equivalent to 1.00867 u) gravitational fi...

AQA AS level Chemistry exam 2024 questions with 100% correct answers Nucleons - ANSWERS Protons and neutrons Electrons (location) - ANSWERS Surrounding the nucleus Relative mass of an electron - ANSWERS 1/1840 Strong nuclear force - ANSWERS The way protons and neutrons are held together in the nucleus Electrostatic forces - ANSWERS The attraction between protons and electrons that hold them together in the atom Atomic Number (Z) - ANSWERS The number of protons in the nucleus Mass nu...

AQA 2023 AS CHEMISTRY QUESTIONS WITH 100% CORRECT ANSWERS Absolute temperature - ANSWERS Temperature measured in Kelvin Absolute zero - ANSWERS The lowest possible temperature theoretically achieveable - 273.15 degrees celius or zero Kelvin Acceleration - ANSWERS The stage in mass spectrometry where positive ions are speeded up by an electric field Acid rain - ANSWERS Rain that has been acidified by pollutants such as sulfur dioxide Actual yield - ANSWERS Mass of product obtained in a ...

Proton c/m? - correct answer +1, 1 Neutron c/m? - correct answer 0, 1 Electron c/m? - correct answer -1, 1/1500 Mass number? - correct answer Num of protons + neutrons Atomic number? - correct answer Num protons Isotope? - correct answer Different atom of the same element, same num protons. Diff ...

Name: Bailey Sage Date: 10-13-19 Student Exploration: Moles Vocabulary: atomic mass, Avogadro constant, conversion factor, dimensional analysis, mole, molar mass, molecular mass, scientific notation, significant figures, unified atomic mass unit Prior Knowledge Questions (Do these BEFORE using the Gizmo.) 1. In the image to the right, note a dozen eggs, a dozen donuts and a dozen roses. How many of each item do you have? 12 2. Would a dozen of each object have the same mass...

ISOTOPES - ATOMS OF THE SAME ELEMENT WITH DIFFERENT NUMBERS OF NEUTRONS ATOMIC (PROTON) NUMBER - NUMBER OF PROTONS IN THE NUCLEUS MASS (NUCLEON) NUMBER - NUMBER OF PARTICLES (PROTONS & NEUTRONS) IN THE NUCLEUS ION - A POSITIVELY OR NEGATIVELY CHARGED ATOM OR (COVALENTLY BONDED) GROUP OF ATOMS RELATIVE ISOTOPIC MASS - THE MASS OF AN ISOTOPE COMPARED WITH ON TWELTH OF THE MASS OF AN ATOM OFCARBON 12 RELATIVE ATOMIC MASS - THE WEIGHTED MEAN MASS OF AN ATOM OF AN ELEMENT COMPARED WITH ONE TWE...

AQA A LEVEL Chemistry Exam 2023 Relative atomic mass - correct answer The average mass of an atom of an element, relative to 1/12th of the mass of an atom of Carbon-12 Relative molecular mass - correct answer Average mass of a molecule compared to 1/12th of the mass of a carbon-12 atom The Avogadro constant - correct answer the number of particles in a mole ideal gas equation - correct answer pV = nRT empirical formula - correct answer the simplest whole number ratio of atoms of...

Absolute temperature - ANSWERS Temperature measured in Kelvin Absolute zero - ANSWERS The lowest possible temperature theoretically achieveable - 273.15 degrees celius or zero Kelvin Acceleration - ANSWERS The stage in mass spectrometry where positive ions are speeded up by an electric field Acid rain - ANSWERS Rain that has been acidified by pollutants such as sulfur dioxide Actual yield - ANSWERS Mass of product obtained in a reaction Addition polymer - ANSWERS Polymer formed when many...

▪ ISOTOPES - Ans .ATOMS OF THE SAME ELEMENT WITH DIFFERENT NUMBERS OF NEUTRONS ▪ ATOMIC (PROTON) NUMBER - Ans .NUMBER OF PROTONS IN THE NUCLEUS ▪ MASS (NUCLEON) NUMBER - Ans .NUMBER OF PARTICLES (PROTONS & NEUTRONS) IN THE NUCLEUS ▪ ION - Ans .A POSITIVELY OR NEGATIVELY CHARGED ATOM OR (COVALENTLY BONDED) GROUP OF ATOMS ▪ RELATIVE ISOTOPIC MASS - Ans .THE MASS OF AN ISOTOPE COMPARED WITH ON TWELTH OF THE MASS OF AN ATOM OFCARBON 12 ▪ RELATIVE ATOMIC MASS - Ans .THE WEIGHTE...