Al and CuSO4 in the following chemical reaction:
2 Al(s) + 3 CuSO4(aq) → Al2(SO4)3(aq) + 3 Cu(s)
What are the reactants?
100
The formula for sodium chloride.
What is NaCl?
100
The coeffiecients that balance __ Mg + __ Cl2 -> __MgCl2
What is none needed? (or 1, 1, 1)
100
The equation that describes this reaction: solid sodium reacts with chlorine gas to form solid sodium chloride.
What is 2 Na(s)+ Cl2 (g) ->2NaCl (s)?
100
The number of magnesium chloride formula units in one mole.
What is 6.02 x 10^23?
200
It's a solid in the reaction:
Mg(s) + Br2(aq) → MgBr2(aq)
What is magnesium?
200
The formula for chlorine gas.
What is Cl2?
200
The coefficients that balance ___K + ___ Cl2 -> ___ KCl.
What are 2, 1, and 2?
200
The equation that describes this chemical reaction:
solid magnesium reacts with oxygen gas to form solid magnesium oxide.
What is 2 Mg (s) + O2 (g) -> 2 MgO?
200
The number of grams in one mole of sodium metal.
What is 23 g?
300
They are dissolved in water in the reaction:
Mg(s) +Br2(aq) → MgBr2(aq)
What are bromine and magnesium bromide?
300
The formula for magnesium fluoride.
What is MgF2?
300
The coefficients that balance ___K + __ O2 -> ___K2O.
What are 4, 1, and 2?
300
The chemical equation that describes this reaction:
Potassium metal reacts with and aqueous solution of sodium nitrate to form solid sodium metal and an aqueous soluition of potassium nitrate.
What is K (s) + NaNO3 (aq) -> Na (s) + KNO3 (aq)
300
The number of grams in 3 mol of O2.
What is 96 g?
400
This is what you would see if you were to perform the reaction: 2 C4H8O(l) +11 O2(g) → 8 CO2(g) + 8 H2O(l)
What is fizzing?
400
The formula for potassium nitrate.
What is KNO3?
400
The coefficients that balance this equation:
___ CaC2 + ___ H2O → ___ Ca(OH)2 + ___ C2H2
What are 1, 2, 1, and 1?
400
The chemical equation that describes this reaction: solid zinc reacts with aqueous hydrogen chloride (also known as hydrochloric acid) to form aqueous zinc chloride and hydrogen gas.
What is Zn (s) + 2 HCl (aq) -> ZnCl2 (aq) + H2 (g)
400
The number of moles in 340 g of NaNO3.
What is 4 mol?
500
This is what you would see if you performed the reaction: Fe(NO3)3(aq) + 3LiOH(aq) -> Fe(OH)3(s) + 3LiNO3(aq)
What is a precipiate? (Cloudy products or solid product in a solution would also work.)
500
The formula for magnesium phosphate.
What is Mg3(PO4)2?
500
The coefficients that balance this equation:
___ CuCl2 → ___ CuCl + ___ Cl2
What are 2, 2, and 1?
500
The chemical equation that describes this reaction: solid iron reacts with oxygen gas to form solid iron (III) oxide.
What is 4 Fe (s) +2 O2 (g) -> 2 Fe2O3 (s)?
500
The number of moles in 21.07 x 10^23 molecules of carbon dioxide.