Homework Answers
from given reaction,
moles of Al2O3 formed = (2/3)*moles of O2
= (2/3)*0.50 mol
= 0.33 mol
Answer: 0.33 mol
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Incorrect. Did you use the appropriate mole ratio of aluminum oxide to oxygen? How many moles...
Marked out of 1.00 Aluminum reacts with oxygen to form aluminum oxide according to the following...
Marked out of 1.00 Aluminum reacts with oxygen to form aluminum oxide according to the following unbalanced equation: Al(s) + O2 (g) → Al2O3 (s) If 5.0 moles of A react with excess oxygen, how many moles of Al2O3 can be produced? Select one: a. 1.0 mole b. 2.0 mole c. 3.0 mole d. 2.5 mole e. 10.0 mole Clear my choice Question 11 Not yet answered
help me do the correct math 25. (12 pts) Aluminum oxide forms when aluminum-reacts with oxygen. Balance the followi...
help me do the correct math
25. (12 pts) Aluminum oxide forms when aluminum-reacts with oxygen. Balance the following chemical equation (the molar mass of wluminum oxide is 101.96 g/mol): 4 Al+ 3 02 2 Al2O3 62.79 g of aluminum metal is allowed to react. How many moles of aluminum is this? 52.79 gray.101.96 glmolo = 6402 moles Al How many moles of Al2O3 can be produced from the previously calculated moles of aluminum? 23 6402 x 6o2to² 3 =31858...
A) How many moles of O2- ions are there in 0.950 moles of aluminum oxide, Al2O3?...
A) How many moles of O2- ions are there in 0.950 moles of aluminum oxide, Al2O3? B) What is the mass in grams of these O2- ions?
7. Below is the electrolysis of aluminum oxide. How many grams of aluminum oxide is needed...
7. Below is the electrolysis of aluminum oxide. How many grams of aluminum oxide is needed to make 60.0 g of aluminum? Al2O3(s) electrolysis Al(s) + O2(g) SAL2O3 HAL+. 302 60g . 26.98 -2.22 2.22. 1. 11 mol x101.96 = 1.13 40 g of benzene is mixed with 125 g of bromine. Which is the limiting reagent according nhamical reaction below?
how many moles are contained in a sample of aluminum oxide, Al2O3, that weighs 33.24 grams?...
how many moles are contained in a sample of aluminum oxide, Al2O3, that weighs 33.24 grams? convert this moles. be sure to include a unit with your answer
X 1. Aluminum reacts with oxygen to produce aluminum oxide 4 Al(s) + 3 O2(g) +...
X 1. Aluminum reacts with oxygen to produce aluminum oxide 4 Al(s) + 3 O2(g) + 2 Al2O3(s) IF 3.0 moles of Alreact with excess O2, how many moles of AlzO3 can be formed? a) 1.0 mol b) 1.50 mol c) 3.0 mol d ) 4.0 mol e) 4.5 mol 10. What is the log of 5,400.05? a) 3.07 b) 3.37 c) 3.73 d) 37.32 e) 37.23 Short Answer Questions (True or False)
7. How many moles of magnesium are in magnesium oxide if 0.15 g magnesium was fully...
7. How many moles of magnesium are in magnesium oxide if 0.15 g magnesium was fully burned in oxygen (The molar masses are 24.305 g/mol for magnesium, 15.999 g/mol for oxygen and 40.304 g/mol for magnesium oxide.)? a. 0.12 mole b. 0.0037 mole c. 0.0094 mole d. 0.0062 mole 8. How many moles of oxygen are in magnesium oxide if 0.15 g magnesium was fully burned in oxygen (The molar masses are 24.305 g/mol for magnesium, 15.999 g/mol for oxygen...
55:09 Time Remaining < Return Next 36 1 point How many grams of aluminum oxide are...
55:09 Time Remaining < Return Next 36 1 point How many grams of aluminum oxide are produced according to the reaction below given that you start with 6.60 grams of AI and 2.69 of O2? Reaction: 4A1+ | + 302-72A1203 Type your answer... Previous Next UI 6 87 38
can you assist me with finding the mole ratio of magnesium to oxygen Mass of Empty Crucible (g) + lid 41.3549 41.6...
can you assist me with finding the mole ratio of magnesium to
oxygen
Mass of Empty Crucible (g) + lid 41.3549 41.695g Mass of the Magnesium (g) Mass of the Crucible with Contents After the Reaction (g) Mass of the Contents (Magnesium Oxide) Alone (g) 10.612 0.2111 g Mass of the Oxygen in the Magnesium Oxide (g) Moles of Magnesium (mol) Moles of Oxygen (mol) Mole Ratio of Magnesium to Oxygen
22. Consider the reaction: solid aluminum and oxygen gas react to form solid aluminum oxide. a....
22. Consider the reaction: solid aluminum and oxygen gas react to form solid aluminum oxide. a. Write and balance the equation. b. How many moles of aluminum are required to react with 47.2 grams of oxygen? c. If 14.0 g of aluminum reacts with oxygen gas, how many grams of aluminum oxide will form? d. How many atoms of aluminum are started with in part c? e. If only 19.7 g of aluminum oxide formed in the reaction from part...
help me do the correct math
25. (12 pts) Aluminum oxide forms when aluminum-reacts with oxygen. Balance the following chemical equation (the molar mass of wluminum oxide is 101.96 g/mol): 4 Al+ 3 02 2 Al2O3 62.79 g of aluminum metal is allowed to react. How many moles of aluminum is this? 52.79 gray.101.96 glmolo = 6402 moles Al How many moles of Al2O3 can be produced from the previously calculated moles of aluminum? 23 6402 x 6o2to² 3 =31858...
7. Below is the electrolysis of aluminum oxide. How many grams of aluminum oxide is needed to make 60.0 g of aluminum? Al2O3(s) electrolysis Al(s) + O2(g) SAL2O3 HAL+. 302 60g . 26.98 -2.22 2.22. 1. 11 mol x101.96 = 1.13 40 g of benzene is mixed with 125 g of bromine. Which is the limiting reagent according nhamical reaction below?
X 1. Aluminum reacts with oxygen to produce aluminum oxide 4 Al(s) + 3 O2(g) + 2 Al2O3(s) IF 3.0 moles of Alreact with excess O2, how many moles of AlzO3 can be formed? a) 1.0 mol b) 1.50 mol c) 3.0 mol d ) 4.0 mol e) 4.5 mol 10. What is the log of 5,400.05? a) 3.07 b) 3.37 c) 3.73 d) 37.32 e) 37.23 Short Answer Questions (True or False)
7. How many moles of magnesium are in magnesium oxide if 0.15 g magnesium was fully burned in oxygen (The molar masses are 24.305 g/mol for magnesium, 15.999 g/mol for oxygen and 40.304 g/mol for magnesium oxide.)? a. 0.12 mole b. 0.0037 mole c. 0.0094 mole d. 0.0062 mole 8. How many moles of oxygen are in magnesium oxide if 0.15 g magnesium was fully burned in oxygen (The molar masses are 24.305 g/mol for magnesium, 15.999 g/mol for oxygen...
55:09 Time Remaining < Return Next 36 1 point How many grams of aluminum oxide are produced according to the reaction below given that you start with 6.60 grams of AI and 2.69 of O2? Reaction: 4A1+ | + 302-72A1203 Type your answer... Previous Next UI 6 87 38
can you assist me with finding the mole ratio of magnesium to
oxygen
Mass of Empty Crucible (g) + lid 41.3549 41.695g Mass of the Magnesium (g) Mass of the Crucible with Contents After the Reaction (g) Mass of the Contents (Magnesium Oxide) Alone (g) 10.612 0.2111 g Mass of the Oxygen in the Magnesium Oxide (g) Moles of Magnesium (mol) Moles of Oxygen (mol) Mole Ratio of Magnesium to Oxygen
22. Consider the reaction: solid aluminum and oxygen gas react to form solid aluminum oxide. a. Write and balance the equation. b. How many moles of aluminum are required to react with 47.2 grams of oxygen? c. If 14.0 g of aluminum reacts with oxygen gas, how many grams of aluminum oxide will form? d. How many atoms of aluminum are started with in part c? e. If only 19.7 g of aluminum oxide formed in the reaction from part...
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