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2023 Basic Chemistry

Lesson 24 The Mole

QuestionAnswer
What is a coefficent? number in front of a formula
What is a formula mass? the sum of the atomic masses of all atoms indicated in the formula of a substance
What is a gram mass formula? The formula mass expressed in grams of a substance
What is the gram atomic mass? The formula mass expressed in grams of a substance.
What is the gram atomic mass? The atomic mass or an element expressed in grams
What is a mole? 6.02 x 10 to the 23rd
What is molar mass? The mass of one mole of an element or a compound
5.) There are two atoms in a _________________molecule. Diatomic
Dave) This is the mass of one mole of an element or compound. A) 6.02 x 10 to the 23rd -----B) Molar Mass----C) the center of the sun---D) Gram formula mass---E) none of the above B) Molar Mass
Tara) Atomic mass of an element expressed in grams is called? A) Atomic Gram Mass -------B) Gram formula mass ----C) RU N Mass----------D) gram atomic mass D) gram atomic mass
David/--THIS KIND OF REACTION ABSORBS ENERGY.--A/ENDOTHERMIC REACTION---B/GETTING OUT OF BE---C/CHEMICAL BOND A/ENDOTHERMIC REACTION
WHAT IS A THEORETICAL YEILD?--A/THE VALUE OBTAINED FORM THE CALCULATION OF THE AMOUNT OF PRODUCT FORMED DURING A CHEMICAL REACTION---B/ E=MC Squared--C/ A CHEMICAL FORMULA ?
PAUL) WHAT IS THE HEAT CONTENT OF A SYSTEM AT CONSTANT PRESSURE?--A/HEAT OF REACTION--B/ENTHALPY--C/MARATHON B/ENTHALPY
PAUL)--WHAT IS THE REACTANT THAT IS EXCESS IN A CHEMICAL REACTION CALLED?--A/HEAT OF REACTION--B/IONIC COMPOUND--C/EXCESS REAGENT C/EXCESS REAGENT
TOM/ WHAT IS A COEFFICENT?--A/AMY NUMBER--B/THE NUMBER IN FORNT OF A FORMULA--C/A TV STATION B/THE NUMBER IN FRONT OF A FORMULA
DEREK/-WHAT IS THE FORMULA MASS EXPRESSED IN GRAMS OF A SUBSTANCE CALLED?--A/MOLE--B/FORMULA MASS-C/GRAM ATOMIC MASS--D/GRAM FORMULA MASS D/GRAM FORMULA MASS
TARA/-ELEVEN OF THE ELEMENTS EXSIST AS?--A--MOLECULES OF GASES--B/GRAM ATOMIC MASS--C/MAGNESIUM HYDROGEN A/MOLECULES OF GASES
JULIO/-WHAT IS GRAM FORMULA MASS?--A/FORMULA MASS EXPRESSED IN OUNCES OF A SUBSTANCE--B/FORMULA MASS EXPRESSED IN GRAMS OF A SUBSTANCE-C/--FORMULA MASS EXPRESSED IN GRAMS OF ELECTRONS B/-FORMULA MASS EXPRESSED IN GRAMS OF A SUBSTANCE
Created by: Mr. L
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