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q5
Choose the correct, balanced chemical equation for the following combination reaction: aluminum metal is heated...
10 pts Question 5 Choose the correct, balanced chemical equation for the following combination reaction: aluminum...
10 pts Question 5 Choose the correct, balanced chemical equation for the following combination reaction: aluminum metal is heated with sulfur powder to form solid aluminum sulfide Al(s) + S(s)heatrxn AIS(s) OAl(s) S(s)heatrxn Al2S3(s) O 2 Al(s)+3 S(s)heatrxn Al2S3(s)
q6 Choose the correct, balanced chemical equation for the following decomposition reaction: solid lithium carbonate...
q6
Choose the correct, balanced chemical equation for the following decomposition reaction: solid lithium carbonate decomposes with heat to form solid lithium oxide and carbon dioxide gas Li2CO3(s) bheatrxn Li2O(s) + CO2(g) • LiCO3(s) bheatrxn 2 LIO(s) + CO2(g) LICOz(s) wheatrxn Li(s) + CO2(g)
write a balanced chemical equation for the reaction that occurs when aluminium metal undergoes a combination...
write a balanced chemical equation for the reaction that occurs when aluminium metal undergoes a combination reaction with Cl2(g)
Choose the correct evidence of a chemical reaction for each of the following observations: a) adding...
Choose the correct evidence of a chemical reaction for each of the following observations: a) adding a piece of zinc metal to acid causes bubbles to form an energy change is observed b) mixing two colorless solutions gives a pink solution a gas is produced c) adding potassium metal to water causes flames an energy change is observed d) adding sodium chloride to a silver nitrate solution causes a white powder to form in the solution an insoluble sold is...
1) Give the balanced chemical equation that shows reactions between Aluminum sulfide reacts with water to...
1) Give the balanced chemical equation that shows reactions between Aluminum sulfide reacts with water to form aluminum hydroxide and hydrogen sulfide. 2) What's the molar mass of aluminum sulfide? how many moles of aluminum sulfide in 155 gram of aluminum sulfide (show how you get the answers) 3) What is the stoichiometry relationship between alumnium sulfide and alumnium hyoxide according to your balanced chemical equation in (1)? 4) Use the stiochiometry relationship above, how many moles of alumnium oxide...
What is the sum of the coefficients when the following equation is balanced using the lowest,...
What is the sum of the coefficients when the following equation is balanced using the lowest, whole numbered coefficients? B203(s) + __HE(I) - _BF3(g) + __ H2O(1) Aluminum metal reacts with iron(II) sulfide to form aluminum sulfide and iron metal. What is the stoichiometric coefficient for aluminum when the chemical equation is balanced using the lowest, whole number stoichiometric coefficients?
8. Balanced chemical equation for the formation of copper sulfide from copper and sulfur QUESTIONS 1....
8. Balanced chemical equation for the formation of copper sulfide from copper and sulfur QUESTIONS 1. Can you determine the molecular formula of a substance from its percent composition? 2. Given that zinc chloride has a formula weight of 136.28 amu, what is its formula? 3. Can you determine the atomic weights of zine or copper by the methods used in this experiment? If so, how? What additional information is necessary to do this? 4. How many grams of zinc...
PRE- LAB QUESTIONS NAME: 1. Write a balanced chemical equation for the reaction of aluminum metal...
PRE- LAB QUESTIONS NAME: 1. Write a balanced chemical equation for the reaction of aluminum metal with hydrochloric acid. UAL TI3 3H2 ZAltaHCI od bw 2. Use the equation above to calculate the mass of aluminum that is needed to prepare between mL of hydrogen gas. The laboratory temperature is 22.0°C and the barometric pressure is 760.0 tor. 966 04m570 =0.0227 Pu K AT D.032 24S K 3. Calculate the minimum volume of 6.0 M HCI that you will need...
q10 Choose the correct, balanced chemical equation for the following neutralization reaction: nitric acid reacts with...
q10
Choose the correct, balanced chemical equation for the following neutralization reaction: nitric acid reacts with aqueous barium hydroxide to form aqueous barium nitrate and water O HNO3 + BaOH + BaNO3 + H2O • 2 HNO3(aq) + Ba(OH)2(aq) - Ba(NO3)2(aq) + 2 H2O(1) HNO3(aq) + Ba(OH)2(aq) – Ba(NO3)2(aq) + H2O(1)
Consider the reaction of solid aluminum iodide and potassium metal to form solid potassium iodide and...
Consider the reaction of solid aluminum iodide and potassium metal to form solid potassium iodide and aluminum metal. A)Write the balanced chemical equation for the reaction. B)How many moles of aluminum are produced if 2.75 moles of aluminum iodide are reacted with 6.59 moles of potassium? C) If only 2.07 moles of aluminum were collected, what is the percent yield for the reaction? D)How many grams of aluminum iodide would be required to yield an actual amount of 164.75 grams...
10 pts Question 5 Choose the correct, balanced chemical equation for the following combination reaction: aluminum metal is heated with sulfur powder to form solid aluminum sulfide Al(s) + S(s)heatrxn AIS(s) OAl(s) S(s)heatrxn Al2S3(s) O 2 Al(s)+3 S(s)heatrxn Al2S3(s)
q6
Choose the correct, balanced chemical equation for the following decomposition reaction: solid lithium carbonate decomposes with heat to form solid lithium oxide and carbon dioxide gas Li2CO3(s) bheatrxn Li2O(s) + CO2(g) • LiCO3(s) bheatrxn 2 LIO(s) + CO2(g) LICOz(s) wheatrxn Li(s) + CO2(g)
Choose the correct evidence of a chemical reaction for each of the following observations: a) adding a piece of zinc metal to acid causes bubbles to form an energy change is observed b) mixing two colorless solutions gives a pink solution a gas is produced c) adding potassium metal to water causes flames an energy change is observed d) adding sodium chloride to a silver nitrate solution causes a white powder to form in the solution an insoluble sold is...
1) Give the balanced chemical equation that shows reactions between Aluminum sulfide reacts with water to form aluminum hydroxide and hydrogen sulfide. 2) What's the molar mass of aluminum sulfide? how many moles of aluminum sulfide in 155 gram of aluminum sulfide (show how you get the answers) 3) What is the stoichiometry relationship between alumnium sulfide and alumnium hyoxide according to your balanced chemical equation in (1)? 4) Use the stiochiometry relationship above, how many moles of alumnium oxide...
What is the sum of the coefficients when the following equation is balanced using the lowest, whole numbered coefficients? B203(s) + __HE(I) - _BF3(g) + __ H2O(1) Aluminum metal reacts with iron(II) sulfide to form aluminum sulfide and iron metal. What is the stoichiometric coefficient for aluminum when the chemical equation is balanced using the lowest, whole number stoichiometric coefficients?
8. Balanced chemical equation for the formation of copper sulfide from copper and sulfur QUESTIONS 1. Can you determine the molecular formula of a substance from its percent composition? 2. Given that zinc chloride has a formula weight of 136.28 amu, what is its formula? 3. Can you determine the atomic weights of zine or copper by the methods used in this experiment? If so, how? What additional information is necessary to do this? 4. How many grams of zinc...
PRE- LAB QUESTIONS NAME: 1. Write a balanced chemical equation for the reaction of aluminum metal with hydrochloric acid. UAL TI3 3H2 ZAltaHCI od bw 2. Use the equation above to calculate the mass of aluminum that is needed to prepare between mL of hydrogen gas. The laboratory temperature is 22.0°C and the barometric pressure is 760.0 tor. 966 04m570 =0.0227 Pu K AT D.032 24S K 3. Calculate the minimum volume of 6.0 M HCI that you will need...
q10
Choose the correct, balanced chemical equation for the following neutralization reaction: nitric acid reacts with aqueous barium hydroxide to form aqueous barium nitrate and water O HNO3 + BaOH + BaNO3 + H2O • 2 HNO3(aq) + Ba(OH)2(aq) - Ba(NO3)2(aq) + 2 H2O(1) HNO3(aq) + Ba(OH)2(aq) – Ba(NO3)2(aq) + H2O(1)
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