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Mole Conversions Balanced Equations Stoich!!! Chemical Formulas

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Presentation on theme: "Mole Conversions Balanced Equations Stoich!!! Chemical Formulas"— Presentation transcript:

1 Mole Conversions Balanced Equations Stoich!!! Chemical Formulas Potpourri 100 100 100 100 100 200 200 200 200 200 300 300 300 300 300 400 400 400 400 400 500 500 500 500 500

2 Find the mass of a 0.80 mole sample of Ca(NO3)2.
Category #1 100 Find the mass of a 0.80 mole sample of Ca(NO3)2. Click here for answer

3 Find the moles of krypton (g) present in a 4.8 liter container.
Category #1 Question 200 Find the moles of krypton (g) present in a 4.8 liter container. Click here for answer

4 Calculate the molar mass of Pb(NO3)2.
Category #1 Question 300 Calculate the molar mass of Pb(NO3)2. Click here for answer

5 Find the volume of 12.0 grams of radon gas at STP.
Category #1 Question 400 Find the volume of 12.0 grams of radon gas at STP. Click here for answer

6 How many Cl2 molecules are needed to occupy a 2 liter bottle at STP?
Category #1 Question 500 How many Cl2 molecules are needed to occupy a 2 liter bottle at STP? Click here for answer

7 CaF2 + Al2(SO4)3 → AlF3 + CaSO4 Category #2 Question 100
Balance the following equation: CaF Al2(SO4)3 → AlF CaSO4 Click here for answer

8 (NH4)2CO3 + Ni(NO3)3  NH4NO3 + Ni2(CO3)3
Category #2 Question 200 Balance the following equation: (NH4)2CO Ni(NO3)3  NH4NO Ni2(CO3)3 Click here for answer

9 C2H2 + O2  CO2 + H2O Category #2 Question 300
Balance the following equation: C2H2 + O2  CO H2O Click here for answer

10 2 HCl (aq) + Mg(OH)2 (s)  MgCl2 (aq) + 2 H2O (l)
Category #2 Question 400 2 HCl (aq) + Mg(OH)2 (s)  MgCl2 (aq) + 2 H2O (l) If a person produces mole of excess HCl in the stomach, how many moles of Mg(OH)2 are needed to neutralize this excess hydrochloric acid? Click here for answer

11 Given the following equation: N2 + 3 H2  2 NH3
Category #2 Question 500 Given the following equation: N H2  2 NH3 If 2 moles of nitrogen and 4 moles of hydrogen are available, how much ammonia could be produced? Click here for answer

12 H3PO4 + 3 NaOH --> Na3PO4 + 3 H2O
Category #3 Question 100 H3PO4 + 3 NaOH --> Na3PO4 + 3 H2O How much 0.20 M H3PO4 is needed to react with 100 ml. of 0.10 M NaOH? Click here for answer

13 CaCO3 + 2 HCl --> CaCl2 + H2O + CO2
Category #3 Question 200 CaCO3 + 2 HCl --> CaCl2 + H2O + CO2 How much 0.80 M HCl would be needed to dissolve a CaCO3 pearl which weighs 4.0 grams? Click here for answer

14 Sea water is about 0.50 M NaCl. To produce Cl2 gas, a company
Category #3 Question 300 Sea water is about 0.50 M NaCl. To produce Cl2 gas, a company evaporates sea water, melts the NaCl, and runs electricity through it. 2 NaCl --> 2 Na + Cl2 How many liters of sea water are needed to fill a tank car with 1,120,000 liters of chlorine gas at STP? Click here for answer

15 H3PO4 + 3 NaOH --> Na3PO4 + 3 H2O
Category #3 Question 400 H3PO4 + 3 NaOH --> Na3PO4 + 3 H2O If 36.0 ml. of H3PO4 react exactly with 80.0 ml. of M NaOH, what is the concentration of the phosphoric acid? Click here for answer

16 Category #3 Question 500 An experiment begun with 75ml of 0.2M Barium nitrate and 32ml of 0.6M Sodium Sulfate. After collecting and drying the product, 3.45g of precipitate was obtained in laboratory. Calculate the % yield of the precipitate formed. Click here for answer

17 Category #4 Question 100 Iron (II) oxide Click here for answer

18 Category #4 Question 200 NH4C2H3O2 Click here for answer

19 Category #4 Question 300 Sodium dichromate Click here for answer

20 Category #4 Question 400 Co(ClO4)2 Click here for answer

21 Copper (II) Sulfate Pentahydrate
Category #4 Question 500 Copper (II) Sulfate Pentahydrate Click here for answer

22 How many molecules are in 200mL of 3M methane gas (CH4)?
Category #5 Question 100 How many molecules are in 200mL of 3M methane gas (CH4)? Click here for answer

23 Category #5 Question 200 What is the total number of moles of oxygen atoms present in 1 mole of Mg(ClO3)2? Click here for answer

24 At STP, 5.6 liter of CH4 contains the same number of molecules as
Category #5 Question 300 At STP, 5.6 liter of CH4 contains the same number of molecules as (1) 1.4 L of oxygen (2) 5.6 L of hydrogen (3) 2.8 L of ammonia (4) L of neon Click here for answer

25 What is the density of Xenon gas at STP?
Category #5 Question 400 What is the density of Xenon gas at STP? Click here for answer

26 How many atoms of oxygen are in 2 moles of carbon dioxide?
Category #5 Question 500 How many atoms of oxygen are in 2 moles of carbon dioxide? Click here for answer

27 Find the mass of a 0.80 mole sample of Ca(NO3)2.
Category 1 Answer 100 Find the mass of a 0.80 mole sample of Ca(NO3)2. Score Board

28 Find the moles of krypton (g) present in a 4.8 liter container.
Category 1 Answer 200 Find the moles of krypton (g) present in a 4.8 liter container. Score Board

29 Calculate the molar mass of Pb(NO3)2.
Category 1 Answer 300 Calculate the molar mass of Pb(NO3)2. 331 g/mol Score Board

30 Find the volume of 12.0 grams of radon gas at STP.
Category 1 Answer 400 Find the volume of 12.0 grams of radon gas at STP. Score Board

31 How many Cl2 molecules are needed to occupy a 2 liter bottle at STP?
Category 1 Answer 500 How many Cl2 molecules are needed to occupy a 2 liter bottle at STP? Score Board

32 3 CaF2 + Al2(SO4)3 → 2 AlF3 + 3 CaSO4 Category 2 Answer 100
Score Board

33 3 (NH4)2CO3 + 2 Ni(NO3)3  6 NH4NO3 + Ni2(CO3)3
Category 2 Answer 200 3 (NH4)2CO Ni(NO3)3  6 NH4NO Ni2(CO3)3 Score Board

34 Category 2 Answer 300 2 C2H2 + 5 O2  4 CO H2O Score Board

35 2 HCl (aq) + Mg(OH)2 (s)  MgCl2 (aq) + 2 H2O (l)
Category 2 Answer 400 2 HCl (aq) + Mg(OH)2 (s)  MgCl2 (aq) + 2 H2O (l) If a person produces mole of excess HCl in the stomach, how many moles of Mg(OH)2 are needed to neutralize this excess hydrochloric acid? 0.050 mol HCl | 1 Mg(OH) = mol Mg(OH)2 | 2 HCl Score Board

36 hydrogen is the limiting factor.
Category 2 Answer 500 Given the following equation: N H2  2 NH3 If 2 moles of nitrogen and 4 moles of hydrogen are available, how much ammonia could be produced? hydrogen is the limiting factor. Score Board

37 H3PO4 + 3 NaOH --> Na3PO4 + 3 H2O
Category 3 Answer 100 H3PO4 + 3 NaOH --> Na3PO4 + 3 H2O How much 0.20 M H3PO4 is needed to react with 100 ml. of 0.10 M NaOH? Score Board

38 CaCO3 + 2 HCl --> CaCl2 + H2O + CO2
Category 3 Answer 200 CaCO3 + 2 HCl --> CaCl2 + H2O + CO2 How much 0.80 M HCl would be needed to dissolve a CaCO3 pearl which weighs 4.0 grams? Score Board

39 Sea water is about 0.50 M NaCl. To produce Cl2 gas, a company
Category 3 Answer 300 Sea water is about 0.50 M NaCl. To produce Cl2 gas, a company evaporates sea water, melts the NaCl, and runs electricity through it. 2 NaCl --> 2 Na + Cl2 How many liters of sea water are needed to fill a tank car with 1,120,000 liters of chlorine gas at STP? Score Board

40 H3PO4 + 3 NaOH --> Na3PO4 + 3 H2O
Category 3 Answer 400 H3PO4 + 3 NaOH --> Na3PO4 + 3 H2O If 36.0 ml. of H3PO4 react exactly with 80.0 ml. of M NaOH, what is the concentration of the phosphoric acid? Score Board

41 Category 3 Answer 500 An experiment begun with 75g of 0.2M Barium nitrate and 32g of 0.6M Sodium Sulfate. After collecting and drying the product, 63.45g of precipitate was obtained in laboratory. Calculate the % yield of the precipitate formed. Score Board

42 Category 4 Answer 100 Iron (II) oxide FeO Score Board

43 NH4C2H3O2 ammonium acetate
Category 4 Answer 200 NH4C2H3O2 ammonium acetate Score Board

44 Category 4 Answer 300 Sodium dichromate Na2Cr2O7 Score Board

45 cobalt (II) perchlorate
Category 4 Answer 400 Co(ClO4)2 cobalt (II) perchlorate Score Board

46 Copper (II) Sulfate Pentahydrate
Category 4 Answer 500 Copper (II) Sulfate Pentahydrate CuSO4·5H2O Score Board

47 Category 5 Answer 100 How many molecules are in 200mL of 3M methane gas (CH4)? 3.61 x 10 ^ 23 molecules CH4 Score Board

48 Category 5 Answer 200 What is the total number of moles of oxygen atoms present in 1 mole of Mg(ClO3)2? 6 moles Score Board

49 At STP, 5.6 liter of CH4 contains the same number of molecules as
Category 5 Answer 300 At STP, 5.6 liter of CH4 contains the same number of molecules as (2) 5.6 L of hydrogen Score Board

50 What is the density of Xenon gas at STP?
Category 5 Answer 400 What is the density of Xenon gas at STP? Score Board

51 Category 5 Answer 500 How many atoms of oxygen are in 2 moles of carbon dioxide? 2.41 x 10 ^ 24 atomsO Score Board

52 Back to board Team 1 Team 2 Team 3

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