Vocabulary
What do we use to convert mole to mole?
What is mole ratio?
_SnO2 + _H2 → _Sn + _H2O
SnO2 + 2 H2 → Sn + 2 H2O
Molar Mass - 10.811
What is Boron's molar mass?
Define chemical reactions
what is a process in which some substances change into different substances, they occur when bonds are broken or formed.
Fe3O4 + 4 CO--->3 Fe + 4 CO2 How many moles of CO are needed to react with 16.5 g of Fe3O4
What is .285 moles CO
States that in an ordinary chemical reaction, matter cannont be created or destroyed.
What is law of conservation of mass?
What are some examples of chemical reactions?
burning wood, explosions, ect
How many moles of Fe2O3 will form from 5.0 moles of Fe?
What is 2.5 moles Fe2O3
What is the the conversion factor used to convert grams to mole, or vice versa
What is molor mass?
_Al203 → _Al + _O2
2Al2O3→ 4Al+ 3O2
Molar Mass- 24.305
What is Magnesium's molar mass?
Charlie does a lab and mixes two liquids together, it turns a blue color. Charlie says it is a chemical reaction and John says it is a physical one. Who is right?
Charlie
How many moles of KClO3 must decompose in order to produce 9 moles of oxygen gas?
What is 6 moles KClO3
What is an endothermic reaction?
What is a reaction that takes in heat
Chemical bonds are a form of?
What is energy
How many grams of NaCl will be produced from 1.25 mol of chlorine gas reacting with sodium?
What is 146 g NaCl
What uses a balanced chemical equation to convert a chemical equation into variables we can measure like a recipe gives proportions of ingredients.
What is stoichiometry?
_Al2(SO4)3 +_Ca(OH)2 →_Al(OH)3 + _CaSO4
Al2(SO4)3 + 3 Ca(OH)2 → 2 Al(OH)3 + 3 CaSO4
Molar Mass-88.9
What is Yttrium's molar mass?
gas, solid forms, color change, temperature change, light is given off.
minus 300 points
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