2. Balance the following reaction that occurs in acid, using the half-reaction method. I-1(aq) + CrO4-1(aq)...
2. Balance the following reaction that occurs in acid, using the half-reaction method. I-1(aq) + CrO4-1(aq) --> I2(s) + Cr+3(aq) When this reaction is balanced, there will be (A) H+(aq) and (B) H2O(l) in the final balanced equation. (Enter numbers without the plus sign.)
3. Ca(NO3)2(aq) + K2CO3(aq) --> CaCO3(s) + 2 KNO3(aq) 50 mL of 1.000 M Ca(NO3)2 was reacted with excess potassium carbonate. What mass of calcium carbonate will be made? Repeat your answer to two sig figs and omit the unit label.
4. 2 NO(g) + O2(g) --> 2 NO2(g) If 35 g of NO reacts with 55 g of O2, then how many grams of NO2 will be made? (Answer to two sig figs and without the unit label.)
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2. Balance the following reaction that occurs in acid, using the
half-reaction method. I-1(aq) + CrO4-1(aq)...
3. Ca(NO3)2(aq) + K2CO3(aq) --> CaCO3(s) + 2 KNO3(aq) 50 mL of 1.000 M Ca(NO3)2 was...
3. Ca(NO3)2(aq) + K2CO3(aq) --> CaCO3(s) + 2 KNO3(aq) 50 mL of 1.000 M Ca(NO3)2 was reacted with excess potassium carbonate. What mass of calcium carbonate will be made? Repeat your answer to two sig figs and omit the unit label.
5. Balance the following reaction that occurs in base, using the half-reaction method. NO(g) + MnO4-1(aq)...
5. Balance the following reaction that occurs in base, using the half-reaction method. NO(g) + MnO4-1(aq) ---> NO3-1(aq) + MnO2(s) When this reaction is balanced, there will be (A) OH-1(aq) and (B) H2O(l) in the final balanced equation. (Enter numbers without the plus sign.) 6. 0.122 grams of an unknown triprotic acid was neutralized with 37.2 mL of a 0.125 M NaOH solution. What is the Molar Mass of the unknown acid? Report the answer to three sig figs and...
2. Balance the following reaction that occurs in acid, using the half-reaction method. I-1(aq) + CrO4-1(aq)...
2. Balance the following reaction that occurs in acid, using the half-reaction method. I-1(aq) + CrO4-1(aq) --> I2(s) + Cr+3(aq) When this reaction is balanced, there will be (?) H+(aq) and (?) H2O(l) in the final balanced equation. (Enter numbers without the plus sign.)
2 NO(g) + O2(g) --> 2 NO2(g) If 35 g of NO reacts with 55 g...
2 NO(g) + O2(g) --> 2 NO2(g) If 35 g of NO reacts with 55 g of O2, then how many grams of NO2 will be made? (Answer to two sig figs and without the unit label.)
1. You work for a lab that makes nitric acid using the following reaction: _1_Ba(NO3)2 (aq)...
1. You work for a lab that makes nitric acid using the following reaction: _1_Ba(NO3)2 (aq) + _2_HBr (aq) →(2_HNO3(aq) + _1__BaBrz (aq) Show your work: You react 27.13 gof Ba(NO3)2 with excess HBr . Calculate the theoretical yield (ing) of nitric acid (6 pts) - please put your final answers in the box at the bottom! Helpful info: molar mass of Ca(NO), 261.3 g Ba(NO,), 63.018 g HNO, 1 mole Ba(NO,)1 mole HNO, You will be graded on showing...
1. Balance the following chemical reaction: Na2CO3 (aq) +CaCl2 (aq) → CaCO3 (s)+NaCl (aq) Na₂CO₃ +...
1. Balance the following chemical reaction: Na2CO3 (aq) +CaCl2 (aq) → CaCO3 (s)+NaCl (aq) Na₂CO₃ + Call, CaCO3 + 2NaCl 2. Using Table 7 below, determine the molar mass of calcium chloride, CaCl2. Table 7: Molar Mass of Calcium Chloride (CaCl2) Atomic Mass Multiply # in Contribution Formula Element Calcium (Ca) g/mol g/mol Chlorine (CI) g/mol g/mol Total = g/mol 3. Using Table 8 below, determine the molar mass of sodium carbonate, Na2CO3. Element Table 8: Molar Mass of Sodium...
QUESTION 1 Consider the following reaction: 4FeCr2O4(s) + 8K2CO3(aq) + 7020) 2Fe2O3(s) + 8K2CrO4(aq) + CO2(g)...
QUESTION 1 Consider the following reaction: 4FeCr2O4(s) + 8K2CO3(aq) + 7020) 2Fe2O3(s) + 8K2CrO4(aq) + CO2(g) . 4.0 g of FeCr204 and 6.0 g of K2CO3 were reacted in excess O2. What was the limiting reagent? CO2 o K2CO4 0 02 K2CO3 FeCr204 Fe2O3 QUESTION 2 Consider the following reaction: 4FeCr2O4(s) + 8K2CO3(aq) + 702(g) — 2Fe2O3(s) + 8K2Cro4(aq) + CO2(g) 3.8 g of FeCr204 and 2.8 g of K2CO3 were reacted in excess O2 What was the theoretical yield...
QUESTION 1 43.2 mL of aqueous 0.255 M Pb(NO3)2 is mixed with 36.1 mL of 0.415...
QUESTION 1 43.2 mL of aqueous 0.255 M Pb(NO3)2 is mixed with 36.1 mL of 0.415 M NaCl. The equation for the precipitate reaction is: Pb(NO3)2 (aq) + 2 NaCl (aq) --> PbCl2 (s) + 2 NaNO3 (aq) How many moles of PbCl2 are formed? (with correct sig figs) QUESTION 2 What volume (in mL!!!) of 1.28 M HCl is required to react with 3.33 g of zinc (65.41 g/mol) according to the following reaction? Zn(s) + 2 HCl (aq)...
All multiple parts to the same problem, thank you! :) Solution Stoichiometry: We need to make...
All multiple parts to the same problem, thank you! :)
Solution Stoichiometry: We need to make a 0.250 M sodium carbonate solution. We will use a 100.00 mL volumetric flask. How many grams of solid sodium carbonate should we add to the flask to make the solution? Use 105.99 as the molar mass, report correct sig figs, and use g as the unit. Solution Stoichiometry: We need to make a 0.200 M calcium chloride solution. We will use a 100.00...
1. Balance the following reaction in acidic solution. I-(aq) + MnO4-(aq) Mn2+(aq) + I2(s) 2....
1. Balance the following reaction in acidic solution. I-(aq) + MnO4-(aq) Mn2+(aq) + I2(s) 2. Write a balanced net ionic equation for the following reaction in basic solution using both methods for balancing a redox reaction: Zn(s) + NO3-(aq) à NH3 (aq) + Zn(OH)42- (aq) 3. Write a balanced net ionic equation for the following reaction in basic solution using both methods for balancing a redox reaction: MnO4-(aq) + C2H5OH(aq) à Mn2+(aq) + HC2H3O2 (aq)
1. You work for a lab that makes nitric acid using the following reaction: _1_Ba(NO3)2 (aq) + _2_HBr (aq) →(2_HNO3(aq) + _1__BaBrz (aq) Show your work: You react 27.13 gof Ba(NO3)2 with excess HBr . Calculate the theoretical yield (ing) of nitric acid (6 pts) - please put your final answers in the box at the bottom! Helpful info: molar mass of Ca(NO), 261.3 g Ba(NO,), 63.018 g HNO, 1 mole Ba(NO,)1 mole HNO, You will be graded on showing...
1. Balance the following chemical reaction: Na2CO3 (aq) +CaCl2 (aq) → CaCO3 (s)+NaCl (aq) Na₂CO₃ + Call, CaCO3 + 2NaCl 2. Using Table 7 below, determine the molar mass of calcium chloride, CaCl2. Table 7: Molar Mass of Calcium Chloride (CaCl2) Atomic Mass Multiply # in Contribution Formula Element Calcium (Ca) g/mol g/mol Chlorine (CI) g/mol g/mol Total = g/mol 3. Using Table 8 below, determine the molar mass of sodium carbonate, Na2CO3. Element Table 8: Molar Mass of Sodium...
QUESTION 1 Consider the following reaction: 4FeCr2O4(s) + 8K2CO3(aq) + 7020) 2Fe2O3(s) + 8K2CrO4(aq) + CO2(g) . 4.0 g of FeCr204 and 6.0 g of K2CO3 were reacted in excess O2. What was the limiting reagent? CO2 o K2CO4 0 02 K2CO3 FeCr204 Fe2O3 QUESTION 2 Consider the following reaction: 4FeCr2O4(s) + 8K2CO3(aq) + 702(g) — 2Fe2O3(s) + 8K2Cro4(aq) + CO2(g) 3.8 g of FeCr204 and 2.8 g of K2CO3 were reacted in excess O2 What was the theoretical yield...
All multiple parts to the same problem, thank you! :)
Solution Stoichiometry: We need to make a 0.250 M sodium carbonate solution. We will use a 100.00 mL volumetric flask. How many grams of solid sodium carbonate should we add to the flask to make the solution? Use 105.99 as the molar mass, report correct sig figs, and use g as the unit. Solution Stoichiometry: We need to make a 0.200 M calcium chloride solution. We will use a 100.00...
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