Chemistry - Amount Of Substance

Descripción

A level Chemistry Fichas sobre Chemistry - Amount Of Substance, creado por lucy latuske el 04/03/2018.
lucy latuske
Fichas por lucy latuske, actualizado hace más de 1 año
lucy latuske
Creado por lucy latuske hace más de 6 años
3
0

Resumen del Recurso

Pregunta Respuesta
What is a mole? One mole is the amount of substance that contains as many entities specified by a formula, as there are in 12g of Carbon-12
How do you calculate moles? Moles = mass / Mr
How do you calculate mass? Mass = Mr X Moles
How do you calculate Mr? Mr = mass / moles
What is Avogadro's Constant? 6.02 x 10^23
How do you calculate the number of entities? 6.02 x 10^23 x Number Of Moles
What is 1 dm^3 equal to? 1 litre
How do you convert dm^3 to cm^3 ? x1000
How do you convert cm^3 to dm^3? / 1000
How do you calculate volume? Volume (cm^3) = moles x 24000 Volume (dm^3) = moles x 24
How do you calculate percentage yield? Percentage Yield = Actual yield/ theoretical yield x 100
How do you calculate atom economy? Atom Economy = Mr of desired products / Mr of all products x 100
What is the ideal gas equation? PV=nRT P = pressure (Pa) V = volume (m^3) n = number of moles R = gas constant (8.314) T = temperature (k)
How do you convert degrees C to K (kelvins) ? add 273
How do you calculate moles given concentration and volume? Moles = concentration (mol dm^-3) x volume (dm^3)
Define Relative Atomic Mass (Ar) the ratio of the average mass of one atom of an element to one twelfth of the mass of an atom of carbon-12
Describe relative molecular mass (Mr) the ratio of the average mass of one molecule of an element or compound to one twelfth of the mass of an atom of carbon-12
Define empirical formula the simplest whole number ratio of atoms of each element in a compound
Define molecular formula the actual number of atoms of each element in a compoun
Mostrar resumen completo Ocultar resumen completo

Similar

The Periodic Table
asramanathan
Acids, Bases and Salts
asramanathan
Chemistry GCSE Review - States of Matter, Particles, Atoms, Elements, Compounds and Mixtures
Morgan Overton
Acids and Bases
Sarah Egan
Using GoConqr to study science
Sarah Egan
Ionic Bondic Flashcards.
anjumn10
Electrolysis
lisawinkler10
Acids and Bases
silviaod119
Elements, Compounds and Mixtures
silviaod119
Chemistry General Quiz - 2
lauren_johncock
Chemistry Quiz General -3
lauren_johncock