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lubasha [3.4K]
3 years ago
13

in a combustion reaction at standard temperature and standard pressure,C2H6 reacts completely with 17.9 L of oxygen. what mass i

n grams of water vapor is produced?​

Chemistry
1 answer:
Liono4ka [1.6K]3 years ago
8 0

Answer: 12.3 g H2O

Explanation: solution attached:

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Equation for the reaction btn nitric acid and metal X whose valence is 3​
viva [34]
(a) Reaction of nitric acid with non-metal:
C+4HNO
3
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⟶CO
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+2H
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O+4NO
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S+6HNO
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⟶H
2
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SO
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+2H
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O+6NO
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(b) Nitric acid showing acidic character:
K
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O+2HNO
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⟶2KNO
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+H
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O
ZnO+2HNO
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⟶Zn(NO
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​
)
2
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+H
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O
(c) Nitric acid acting as oxidizing agent
P
4
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+20HNO
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​
⟶4H
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PO
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+4H
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O+20NO
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hope that helps you please mark brainliest
3 0
3 years ago
What is reason of the formation of tectonic plates?​
kvv77 [185]

Explanation:

The driving force behind plate tectonics is convection in the mantle. Hot material near the Earth's core rises, and colder mantle rock sinks.

8 0
3 years ago
Read 2 more answers
Balance the chemical equation.Au plus HC l plus HNO 3 right arrow AuC l Subscript 3 Baseline plus NO plus Upper H 2 Upper OAu+HC
tino4ka555 [31]

Answer:

Au+ 3HCl + HNO_3 \to AuCl_3+NO+2H_2O

Explanation:

Chemical Equations are representations of chemical reactions in terms of the symbols and formulae of the elements and compounds involved. A chemical equation usually have the reactant at the left hand side while the product is on the right hand side.

A chemical Equation is of little or no value if is not in balanced equation. When an equation is balanced , the total number of atoms of any element on the left-hand side of it must be equal to the total number of atoms of that element on the right hand side.

in the given question; we are given a word problem of chemical symbol to  compute and also to balance the chemical equation.

From below; the chemical equation can be written as:

Au+ HCl + HNO_3 \to AuCl_3+NO+2H_2O

From the above  equation we will notice  that  it is not truly balanced ; so th balanced equation can be written as:

Au+ 3HCl + HNO_3 \to AuCl_3+NO+2H_2O

5 0
3 years ago
What is the ground-state electron configuration of a neutral atom of manganese?.
Alchen [17]

Explanation:

elctronic configuration of manganese

Mn=1s²2s²2p⁶3s²3p⁶4s²3d⁵

ground state

Mn=Ar3d⁵4s²

note that Ar is argon

3 0
3 years ago
Which of the following best describes the neutron?
Setler [38]
The particles that combined in the middle of the structure best describes neutron as neutron is always present in the middle of atomic structure
7 0
3 years ago
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