____SnO2 + ____H2 → ____Sn + ____H2O
1, 2, 1, 2
How many moles of sodium are in 120 moles of sodium chloride?
2 Na + 1 Cl2 → 2 NaCl
120 moles
How many moles of potassium hydroxide are in 50.0 g of iron (III) bromide?
3 KBr + 1 Fe(OH)3 → 3 KOH + 1 FeBr3
0.508 moles of KOH
Who is the other chemistry teacher at El Dorado High?
Rankin
How many sig figs are in the following number?
100
1
____BF3 + ___ Li2SO3 → ____B2(SO3)3+ ____LiF
2, 3, 1, 6
How many moles of chlorine gas are in 6.09 moles of sodium chloride?
2 Na + 1 Cl2 → 2 NaCl
3.05 moles
How many moles of glucose (C6H12O6) are produced if 27 g of O2 are reacted according to this balanced chemical equation?
6 CO2 + 6 H2O → 1 C6H12O6 + 6 O2
0.14 mol C6H12O6
What's Ms. Kastner's first name?
Brittany
How many sig figs are in the following number?
0.05050
4
____CH4 + ____O2 → ____CO2 + ____H2O
1, 2, 1, 2
How many moles of water are in 47 moles of oxygen gas?
4 H2O + 7 CO2 → 1 C7H8 + 9 O2
21 moles
How many moles of HCl are produced if 46 g of CaCl2 are reacted according to this balanced chemical equation?
1 CaCO3 + 2 HCl→ 1 CaCl2 + 1CO2 + 1 H2O
0.83 mol HCl
How many pages of our notebook did we fill out this year?
88 pages
Round the following number to 2 sig figs.
234
230
____HCN + ___CuSO4 → ___H2SO4 + ____Cu(CN)2
2, 1, 1, 1
How many moles of silver sulfide are in 4 moles of sulfur?
____ Ag2S → ____ Ag + ___ S8
30 moles
How many moles of water are in 9000 grams of oxygen gas?
__ H2O + __ CO2 → __ C7H8 + __ O2
100 moles of H2O
Who is the current Arkansas Governor?
Sarah Huckabee Sanders
Round the following number to 3 sig figs.
0.090
0.0900
____PCl5 + ____H2O → ____H3PO4 + ____HCl
1, 4, 1, 5
How many moles of calcium phosphate are in 0.278 moles of carbonic acid?
___ CaCO3 + ___ H3PO4 → ___Ca3(PO4)2 + ___H2CO3
0.0927 moles
How many moles of Phosphorus pentachloride are in 820 grams of water?
____PCl5 + ____H2O → ____H3PO4 + ____HCl
11 mol PCl5
What is Ms. Kastner's new last name going to be?
Goodwin
Round the following number to 2 sig figs.
25,890
26,000