# Study sets matching "chemistry calculations chemical"

One mole is

Avogadro constant is

Balanced symbol equations tell you

Limiting reactant is

A substances relative formula mass, in grams.

6.02 x 10 to the power of 23 per mole

The number of miles of substances involved in a chemical react…

The reactant that gets used up first or the reactant not in ex…

One mole is

A substances relative formula mass, in grams.

Avogadro constant is

6.02 x 10 to the power of 23 per mole

Isotope

Relative atomic mass

Number of protons

Number of neutrons

Isotopes are atoms of the same elements with different masses

The relative atomic mass of an element is the average mass of…

Atomic number

Mass number- atomic number

Isotope

Isotopes are atoms of the same elements with different masses

Relative atomic mass

The relative atomic mass of an element is the average mass of…

Relative atomic mass - AR

Relative formula mass

Percentage yield

Moles (Gas)

Top number of atom

Both Ar's of the two atoms added together

Total mass of product obtained / maximum theoretical mass of p…

Volume = moles x 24

Relative atomic mass - AR

Top number of atom

Relative formula mass

Both Ar's of the two atoms added together

Versions of the same atom with differen…

(% abundance x atomic mass) + (% abunda…

Number of protons and neutrons in an at…

Adding relative atomic masses of the at…

Isotopes

Relative atomic mass

Isotopic mass

Relative formula mass

Versions of the same atom with differen…

Isotopes

(% abundance x atomic mass) + (% abunda…

Relative atomic mass

Mole Ratio

Avogadro's Theory

Law of Conservation of Mass

Stoichiometry

The coefficients indicate the ratio of moles.

There are equal numbers of molecules in equal volumes of has a…

Mass is neither created nor destroyed during a chemical reacti…

The relationship between quantities is a chemical reaction acc…

Mole Ratio

The coefficients indicate the ratio of moles.

Avogadro's Theory

There are equal numbers of molecules in equal volumes of has a…

there are 8 pupils, 7 girls and 1 boy.…

carbon dioxide (CO2) ... work out the % co…

percentage yield

exothermic reaction

1/8 x 100 = 12.5%... 7/8 x 100 = 87.5%

Ar (C) = 12 Ar (O) = 16... C = 1 x 12 = 12 O = 2 x 16 = 31 ... CO2 =…

actual/expected x 100%

heat is produced ... temperature rises... energy is lost

there are 8 pupils, 7 girls and 1 boy.…

1/8 x 100 = 12.5%... 7/8 x 100 = 87.5%

carbon dioxide (CO2) ... work out the % co…

Ar (C) = 12 Ar (O) = 16... C = 1 x 12 = 12 O = 2 x 16 = 31 ... CO2 =…

Mole Ratio

Avogadro's Theory

Law of Conservation of Mass

Molar Mass

The ratio of moles of reactants & products according to the co…

The principle that equal volumes of gases contain equal number…

The principle that states that the total mass of reactants in…

The mass in grams of 1 mol of substance

Mole Ratio

The ratio of moles of reactants & products according to the co…

Avogadro's Theory

The principle that equal volumes of gases contain equal number…

Density =

% Error Equation

Density Triangle

Metric Prefix Conversions

Mass (g) / Volume (mL or L)

Needs to be < 2%

Kile-Had-Dirrehea-BASE-During-Coles-Midterm

Density =

Mass (g) / Volume (mL or L)

% Error Equation

Needs to be < 2%

isotopes

relative atomic mass

mass number

empirical formula

Atoms of the same element with different masses

average mass of an atom of an element compared to 1/12 of an a…

number of protons + number of neutrons in an atom

a chemical formula

isotopes

Atoms of the same element with different masses

relative atomic mass

average mass of an atom of an element compared to 1/12 of an a…

equivalency statement

conversion factor

SI units

weight

expression stating two quantities with different units that re…

relationship between different units of measurement that expre…

subset of units in the metric system, associated with the inte…

measure of the force of gravitational attraction on a body

equivalency statement

expression stating two quantities with different units that re…

conversion factor

relationship between different units of measurement that expre…

What is the formula mass of a substance…

what does one mole of atoms contain

how do you calculate the number of moles

how would you calculate the mass

one mole of that substance

6 x 10 (to the power of) 23 atoms

number of moles= mass divided by relative formula mass

mass = number of moles x relative formula mass

What is the formula mass of a substance…

one mole of that substance

what does one mole of atoms contain

6 x 10 (to the power of) 23 atoms

Relative Atomic Mass/ Atomic Mass/Weigh…

1 mole is = Avogadro's Number; which is…

Relative Formula (or molecular) Mass (M…

Term of formula mass (Mr) applies to....

-Average mass of atom compared to other element ... *-Ration of m…

6.02 X 10 (to the power of 23)

Calculated by adding Ar (Atomic mass) for

**all**atoms present…All types of substances (ionic, covalent- molecular or network)

Relative Atomic Mass/ Atomic Mass/Weigh…

-Average mass of atom compared to other element ... *-Ration of m…

1 mole is = Avogadro's Number; which is…

6.02 X 10 (to the power of 23)

Avogadro's number-6.022*10^23

Molar mass

Structural formulas

Molecular formula

A mole is the amount of substance contained in 6.022*10^23

1) the mass found in one mole of its particles... 1u=1g... The mass…

Show the types of atom involved, the exact composition of each…

Show the types and numbers of atoms involved as they appear in…

Avogadro's number-6.022*10^23

A mole is the amount of substance contained in 6.022*10^23

Molar mass

1) the mass found in one mole of its particles... 1u=1g... The mass…

Mᵣ

Aᵣ

Atomic mass

Formula Mass

Abreviation for Molecular Mass

Abreviation for Atomic Mass

The average mass of one atom of the element relative to ¹/₁₂ t…

The average mass of a molecule/formula unit relative to ¹/₁₂ t…

Mᵣ

Abreviation for Molecular Mass

Aᵣ

Abreviation for Atomic Mass

Relative atomic mass

Relative molecular mass

Relative formula mass

Theoretical yield/ Predicted yield/ Exp…

The average mass of an atom of an element, relative to 1/12th…

Average mass of a molecule compared to 1/12th of the mass of a…

The sum of the relative atomic masses of all the atoms or ions…

The maximum amount of product that can be produced from a give…

Relative atomic mass

The average mass of an atom of an element, relative to 1/12th…

Relative molecular mass

Average mass of a molecule compared to 1/12th of the mass of a…

Mole

Avogadro's Number (N_A)

Molar Mass (MM)

Structural Formulas

The amount of substance (matter) contained in 6.022 x 10^23 (A…

The number 6.022 x 10^23 named in honor of the Italian physici…

The mass of one mole of any pure substance. These particles ca…

Show the types of atoms involved, the exact composition of eac…

Mole

The amount of substance (matter) contained in 6.022 x 10^23 (A…

Avogadro's Number (N_A)

The number 6.022 x 10^23 named in honor of the Italian physici…

molecular mass

formula mass

mole

percentage composition

the sum of the atomic masses of all the atoms in a molecule of…

the sum of the atomic masses of all atoms in a formula unit of…

the quantity of a given substance that contains as many molecu…

the mass percentages of each element in the compound

molecular mass

the sum of the atomic masses of all the atoms in a molecule of…

formula mass

the sum of the atomic masses of all atoms in a formula unit of…

list the metric prefixes starting with…

explain the difference between weight a…

What are the SI units for..... - length... -…

what 2 units of volume can be used inte…

1 tetra (T) = 10^12 g... 1 giga (G) = 10^9 g... 1 mega (M) = 10^6 =…

Mass is a measure of quantity of matter. Weight is a measure o…

- length = meter... - mass = kg... - volume = m^3

mL and cm^3... 1 mL = 1 cm^3

list the metric prefixes starting with…

1 tetra (T) = 10^12 g... 1 giga (G) = 10^9 g... 1 mega (M) = 10^6 =…

explain the difference between weight a…

Mass is a measure of quantity of matter. Weight is a measure o…

Why is Carbon-12 used as a standard ref…

What is the relative atomic mass (Ar)?

What is a mole of a substance?

What is the relationship between moles,…

It has 6 protons and 6 neutrons; a mass of exactly 12.

The number of times heavier the average mass of an element (ta…

- Its relative atomic mass in grams e.g the one mole of carbon…

moles = mass/RFM

Why is Carbon-12 used as a standard ref…

It has 6 protons and 6 neutrons; a mass of exactly 12.

What is the relative atomic mass (Ar)?

The number of times heavier the average mass of an element (ta…

Chemical Calculations

What is the general procedure for solvi…

mole ratio

balanced equation for the production of…

In chemical calculations, mole ratios are used to convert betw…

In a typical stoichiometric problem, the given quantity is fir…

a conversion factor derived from the coefficients of a balance…

N2 (g) + 3H2 (g) → 2NH3(g)

Chemical Calculations

In chemical calculations, mole ratios are used to convert betw…

What is the general procedure for solvi…

In a typical stoichiometric problem, the given quantity is fir…

Why do some elements have the same rela…

Why do some elements have a non whole n…

Why must chemical equations be balanced

What is a limiting reactant

Because the element may have many or few neutrons compared to…

Because the isotopes of the element are so common that it make…

Because the law of conservation of mass must be satisfied

The reactant that is fully used in a reaction; this limits how…

Why do some elements have the same rela…

Because the element may have many or few neutrons compared to…

Why do some elements have a non whole n…

Because the isotopes of the element are so common that it make…