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nikdorinn [45]
2 years ago
7

What's the volume of 0.2 mol of hydrogen at STP.

Chemistry
1 answer:
tia_tia [17]2 years ago
4 0

Answer:

22.4

Explanation:

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__Mg +_ AgNO3 → _Mg(NO3)2 + __Ag
damaskus [11]

<em><u>Mg + 2AgNO3 = Mg(NO3)2 + 2Ag</u></em><em><u>.</u></em>

<em><u>....</u></em>

3 0
3 years ago
The carbon-14 radioisotope has proved most useful in:
valkas [14]
Measuring the amount of radiation in an area
8 0
3 years ago
Does uranium or barium nucleus have a stronger net force holding its protons
kondaur [170]
Nuclear binding energy is the energy that would be required to disassemble the nucleus of an atom into its component parts. These component parts are netrons  and protons, which are collectively called nucleons
8 0
3 years ago
A gas has a volume of 350 mL at 318.15 K. If the volume changes to 4.00 L, what is the new temperature?
enot [183]
28°C.
Explanation:
The correct equation to use with these kinds of questions is the Combined Gas Law.
P
1
⋅
V
1
T
1
=
P
2
⋅
V
2
T
2
This equation, though, is a little unnecessary at times because of the possibility of extra constants.
In this case you have a pressure constant which enables us to shorten your longer equation down to Charles' Law because pressure remains the same and doesn't affect the calculation.
V
1
T
1
=
V
2
T
2
The next step is to isolate the variable that you want, which is, in this case,
T
2
.
T
2
=
V
1
T
1
V
2
Now it is time to replace your known variables with numbers
T
2
=
350
m
L
⋅
45
°
C
400
m
L
And calculate...
T
2
=
28.125
°
C
Significant digits...
T
2
=
28
°
C
7 0
3 years ago
18.) What is the reading of the liquid in this<br> graduated cylinder
MissTica

Answer:

24

Explanation:

You read at the bottom of the meniscus or curve and count.

7 0
3 years ago
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