Calculate the following: ***SHOW ALL WORK!!!! Or NO CREDIT*** Circle your answers. 8pts each In the...
Calculate the following: ***SHOW ALL WORK!!!! Or NO CREDIT*** Circle your answers. 8pts each
In the reaction: 2NO + O2 à 2NO2 the %yield is only 80.2%. To produce 25.0g of NO2, how many grams of O2 are required?
BaCl2 + Na2CO3 à BaCO3 + 2NaCl. If 3.50 g of BaCl2 is added to 2.00 g of Na2CO3, A) Which is the limiting reagent? B) How many grams of NaCl theoretically can be produced? C) If the reaction produced 1.70g of NaCl, what is the %yield? D)- How many grams of excess reagent remains?
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B) __________________
C) __________________
D) __________________
Homework Answers
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Calculate the following: ***SHOW ALL WORK!!!! Or
NO CREDIT*** Circle your answers. 8pts
each
In the...
34) What is the “limiting reagent” in a chemical reaction? Assuming 2 reactants, explain how to...
34) What is the “limiting reagent” in a chemical reaction? Assuming 2 reactants, explain how to calculate/determine the limiting reactant. What is always true and why? 40) Place the following sets of elements in order of increasing size and Explain why they're in that order. [Al, P, Na, Ar], [I, Cl, F, Br] (these are 2 different sets.) 19) Lead and Carbon are in the same column and therefore have the same number of valence electrons. If the electron configuration...
D. Complete the following stoichiometry problems. Show ALL of your work to receive full credit. Equations...
D. Complete the following stoichiometry problems. Show ALL of your work to receive full credit. Equations and mole-to-mole relationships 21. For the following reaction: 4Cr(s) + 302(g) → 2Cr2O3(s) a. How many moles of oxygen (O2) would react with 0.35 moles of chromium (Cr)? b. Starting with 10.4g of Oz, how many moles of Cr203 can be produced: c. How many grams of Cr metal would be needed to produce 38.2g of chromium (III) oxide? 22. Sulfuric acid (H2SO4) is...
7. Given the following equation: 2 NaClO3 2 2 NaCl + 3 02, if 12.00 moles...
7. Given the following equation: 2 NaClO3 2 2 NaCl + 3 02, if 12.00 moles of NaClO3 reacted in the reaction; a) How many grams of O2 produced? B) How many grams of NaCl are produced when 80.0 grams of O2 are produced? 8. Aluminum reacts with chlorine gas to form aluminum chloride via the following reaction: 2AI + 3Cl2 → 2AlCl3 a) Identify limiting reagent b) How many grams of aluminum chloride could be produced from 34.0g of...
concentration of Ca(OH)2 in the solution! 7. Given the following equation: 2 Nacio3 B 2 NaCl...
concentration of Ca(OH)2 in the solution! 7. Given the following equation: 2 Nacio3 B 2 NaCl + 3 O2, if 12.00 moles of NaClO3 reacted in the reaction; a) How many grams of O2 produced? B) How many grams of NaCl are produced when 80.0 grams of O2 are produced? 8. Aluminum reacts with chlorine gas to form aluminum chloride via the following reaction: 2A1+ 3C12 → 2AlCl3 a) Identify limiting reagent b) How many grams of aluminum chloride could...
Please show all work for the following problems, not just answers. Will thumbs up upon completion,...
Please show all work
for the following problems, not just answers. Will thumbs up upon
completion, thank you! :)
Direction - Please show your work for the following problems. (you may need to answer on separate sheet of paper) Part I- Calculate molecular weight (molar mass). Na2SO4 = Feso, . 71120- HC HO: Part VII- Limiting reagent problems. Aluminum reacts with chlorine gas to form aluminum chloride via the following reaction a) Identify limiting reagent b) How many grams of...
Name CHEM1010-Spring2020 Make sure to show ALL your work for full credit and circle (or color)...
Name CHEM1010-Spring2020 Make sure to show ALL your work for full credit and circle (or color) your final answers. Show all your answers with correct units and significant figures. 1. Complete the following reaction and identify the acid and base. (10 points) H2SO4 (ag) + Ca(OH)2(aq) → 2. Silver nitrate reacts with barium chloride according to the reaction below. Complete the reaction and indicate which product is the precipitate. (10 points) AgNO3(aq) + BaCl2(aq) → 3. How many moles of...
For reaction CaCL2(aq) + Na2CO3 --> CaCO3(s) + NaCL(aq). Questions: 1. For reaction CaCl2(aq) + Na2CO3...
For reaction CaCL2(aq) + Na2CO3 --> CaCO3(s) +
NaCL(aq).
Questions: 1. For reaction CaCl2(aq) + Na2CO3 --> CaCO3(s) + 2 NaCl(aq). If 3.250 g of CaCl2 reacts with access of Na2CO3, how many grams of CaCO3 can be produced theoretically? 2. For reaction CaCl2(aq) + NaCO3 --> CaCO3(s) + 2 NaCl(aq). If 50.0 ml of 1.235 M CaCl2 reacts with 10.00 ml. of 5.386 M Na2CO3, which one is the limiting reactant? 3. For reaction CaCl2(aq) + Na2CO3 --> CaCO3(s)...
6. Cyclohexane reacts with oxygen to produce carbon dioxide and water by the following balanced chemical...
6. Cyclohexane reacts with oxygen to produce carbon dioxide and water by the following balanced chemical reaction. (3 points for a and c, 4 points for b. 10 points total) CoH12(C) + 9 O2 (g) - 6 CO2 (g) + 6 H20 (0)" a. If 79.0 grams of O2 is reacted with 41.8 grams of C6H12, which is the limiting reagent? Limiting reagent b. How many grams of H20 will be produced? Grams C. If 7.2 grams of H20 are...
d. How many moles of O2 must react to produce 0.250 mol of NO? e. How...
d. How many moles of O2 must react to produce 0.250 mol of NO? e. How many grams of oxygen are needed to react with 105 g of nitrogen? 8. Hydrazine reacts with oxygen according to the unbalanced equation below: N2H4 (1) + O2(g) → NO2 (g)+ H2O(g) a. If 75.0 kg of hydrazine reacted with 75.0 kg of oxygen, which is the limiting reagent? b. How many kg of NO2 are produced from the reaction of 75.0 kg of...
Consider the following UNBALANCED equation: Na(s) + Cl2(g) -> NaCl(s). a.) Calculate the limiting reagent when...
Consider the following UNBALANCED equation: Na(s) + Cl2(g) -> NaCl(s). a.) Calculate the limiting reagent when 55.0 g of react with 67.2 g of Cl2. (Show all work, and clearly state which is the limiting reagent.) b.) What is the theoretical yield, in grams, of NaCl? c.) If 105g of NaCl is produced from the reaction, what is the percent yield of NaCl?
D. Complete the following stoichiometry problems. Show ALL of your work to receive full credit. Equations and mole-to-mole relationships 21. For the following reaction: 4Cr(s) + 302(g) → 2Cr2O3(s) a. How many moles of oxygen (O2) would react with 0.35 moles of chromium (Cr)? b. Starting with 10.4g of Oz, how many moles of Cr203 can be produced: c. How many grams of Cr metal would be needed to produce 38.2g of chromium (III) oxide? 22. Sulfuric acid (H2SO4) is...
7. Given the following equation: 2 NaClO3 2 2 NaCl + 3 02, if 12.00 moles of NaClO3 reacted in the reaction; a) How many grams of O2 produced? B) How many grams of NaCl are produced when 80.0 grams of O2 are produced? 8. Aluminum reacts with chlorine gas to form aluminum chloride via the following reaction: 2AI + 3Cl2 → 2AlCl3 a) Identify limiting reagent b) How many grams of aluminum chloride could be produced from 34.0g of...
concentration of Ca(OH)2 in the solution! 7. Given the following equation: 2 Nacio3 B 2 NaCl + 3 O2, if 12.00 moles of NaClO3 reacted in the reaction; a) How many grams of O2 produced? B) How many grams of NaCl are produced when 80.0 grams of O2 are produced? 8. Aluminum reacts with chlorine gas to form aluminum chloride via the following reaction: 2A1+ 3C12 → 2AlCl3 a) Identify limiting reagent b) How many grams of aluminum chloride could...
Please show all work
for the following problems, not just answers. Will thumbs up upon
completion, thank you! :)
Direction - Please show your work for the following problems. (you may need to answer on separate sheet of paper) Part I- Calculate molecular weight (molar mass). Na2SO4 = Feso, . 71120- HC HO: Part VII- Limiting reagent problems. Aluminum reacts with chlorine gas to form aluminum chloride via the following reaction a) Identify limiting reagent b) How many grams of...
Name CHEM1010-Spring2020 Make sure to show ALL your work for full credit and circle (or color) your final answers. Show all your answers with correct units and significant figures. 1. Complete the following reaction and identify the acid and base. (10 points) H2SO4 (ag) + Ca(OH)2(aq) → 2. Silver nitrate reacts with barium chloride according to the reaction below. Complete the reaction and indicate which product is the precipitate. (10 points) AgNO3(aq) + BaCl2(aq) → 3. How many moles of...
For reaction CaCL2(aq) + Na2CO3 --> CaCO3(s) +
NaCL(aq).
Questions: 1. For reaction CaCl2(aq) + Na2CO3 --> CaCO3(s) + 2 NaCl(aq). If 3.250 g of CaCl2 reacts with access of Na2CO3, how many grams of CaCO3 can be produced theoretically? 2. For reaction CaCl2(aq) + NaCO3 --> CaCO3(s) + 2 NaCl(aq). If 50.0 ml of 1.235 M CaCl2 reacts with 10.00 ml. of 5.386 M Na2CO3, which one is the limiting reactant? 3. For reaction CaCl2(aq) + Na2CO3 --> CaCO3(s)...
6. Cyclohexane reacts with oxygen to produce carbon dioxide and water by the following balanced chemical reaction. (3 points for a and c, 4 points for b. 10 points total) CoH12(C) + 9 O2 (g) - 6 CO2 (g) + 6 H20 (0)" a. If 79.0 grams of O2 is reacted with 41.8 grams of C6H12, which is the limiting reagent? Limiting reagent b. How many grams of H20 will be produced? Grams C. If 7.2 grams of H20 are...
d. How many moles of O2 must react to produce 0.250 mol of NO? e. How many grams of oxygen are needed to react with 105 g of nitrogen? 8. Hydrazine reacts with oxygen according to the unbalanced equation below: N2H4 (1) + O2(g) → NO2 (g)+ H2O(g) a. If 75.0 kg of hydrazine reacted with 75.0 kg of oxygen, which is the limiting reagent? b. How many kg of NO2 are produced from the reaction of 75.0 kg of...
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