ANY ANSWERS HELP< NEED IT ASAP
Given the following equation: 2 K + Cl2 ---> 2 KCl<...
Chemistry, 13.03.2020 19:44 jwoodsk7598
ANY ANSWERS HELP< NEED IT ASAP
Given the following equation: 2 K + Cl2 ---> 2 KCl
How many moles of KCl are produced from 2.00 moles of K and excess Cl2?
Group of answer choices
1.0 mol
2.0 mol
8.0 mol
4.0 mol
Given the following equation: 8 Fe + S8 ---> 8 FeS
How many moles of iron are needed to react with 16.0 moles of sulfur?
Group of answer choices
8.0 mol
64.0 mol
128.0 mol
18.0 mol
4 Fe + 3 O2 → 2 Fe2O3
How many moles of Fe are needed to react with 1.00 moles of O2?
Group of answer choices
3.0 mol
4.0 mol
1.3 mol
1.0 mol
2 Zn + O2 → 2 ZnO
How many moles of zinc are needed to make 6 moles of zinc oxide?
Group of answer choices
6.0 mol
3.0 mol
2.0 mol
12.0 mol
2KClO3 → 2KCl + 3O2
How many grams of potassium chloride, KCl, are produced if 25.0g of potassium chlorate, KClO3, decompose?
Group of answer choices
74.6 g
122.6 g
15.2 g
30.4 g
N2 + 3H2 → 2NH3
How many grams of hydrogen, H2, are necessary to react completely with 50.0 g of nitrogen, N2?
Group of answer choices
10.7 g
28.0 g
5.4 g
2.0 g
2AgNO3 + BaCl2 → 2AgCl + Ba(NO3) 2
How many grams of AgCl, silver chloride, are produced from 5.0 g of AgNO3, silver nitrate?
Group of answer choices
4.2 g
143.4 g
10.4 g
169.9 g
Carbon monoxide reacts with oxygen to produce carbon dioxide. If 1.0 L of
carbon monoxide reacts with oxygen at STP, How many liters of oxygen are required to react?
2CO(g) + O2(g) --> 2CO2(g)
Group of answer choices
0.25 L
1.5 L
1.0 L
0.5 L
Acetylene gas (C2H2) undergoes combustion to produce carbon dioxide and
water vapor. How many liters of C2H2 are required to produce 75.0 L of CO2?
2C2H2(g) + 5O2(g) --> 4CO2(g) + 2H2O(g)
Group of answer choices
22.4 L
37.5 L
150.0 L
75.0 L
Assume that 5.60 L of hydrogen gas at STP reacts with copper (II) oxide
according to the following balanced equation. How many grams of copper are produced?
CuO (s) + H2 (g) --> Cu (s) + H2O (g)
Group of answer choices
63.5 g
22.4 g
5.6 g
15.9 g
Answers: 2
Chemistry, 22.06.2019 06:40
Which statement correctly describes metallic bonds? a. they form when certain atoms lose electrons and other atoms gain electrons. b. they involve an attraction between anions and cations. they always involvpoth a metal and a nonmetal. d. they can only form between atoms of the same element. e. they form because electrons can move freely between atoms.
Answers: 3
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Which of these is not an example of chemical weathering? a. iron-rich mineral rusting b. feldspar turning into clay c. limestone reacting with acid d. granite breaking up into sand
Answers: 1
Chemistry, 22.06.2019 16:50
What is conserved in the reaction shown below? h2(g) + cl2 (g) --> 2hcl(g)a. mass onlyb. mass and moles onlyc. mass, moles, and molecules onlyd. mass, moles, molecules, and volume
Answers: 2
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