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EastWind [94]
3 years ago
10

I need help with chemistry :(

Chemistry
2 answers:
Luda [366]3 years ago
8 0
I don’t see the problem
Yanka [14]3 years ago
4 0

Answer:

How may we help kind sir

Explanation:

and if this was for points thanks

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Generally, systems move spontaneously in the direction of increasing entropy. TRUE FALSE
allochka39001 [22]

Answer:

true

Explanation:

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3 years ago
What is missing from the temperature and volume graph shown at right?
Kaylis [27]

Answer: Three things are missing:


i) Graph title.


ii) Label for the vertical axis.


iii) The scale and the units for the horizontal axis.


Justification:


1) Find the graph in the image attached.


2) What does the graph represent? You cannot tell because it does not show the tittle.


Since you are told in the statement that it is a temperature and volume graph, the appropiate title would be:


Temperature vs. Volume.


3) The vertical axis also must be properly labeled, including the units.


A good label for the vertical axis of this graph might be: Volume (cm³). It migh also be liters, gallons, or other volume unit.


4) Although the horizontal axis is labeled, it does not indicate the units and the scale. So, you know neither if the temperature shown is celsius, (°C), farenheti (°F), kelvin (K), or rankine (R) (those are the four major scales of temperature), nor how much each division represent (1, 5, 10, 10, 50, 100?)

4 0
3 years ago
As a barometer rises, what kind of weather can be expected
suter [353]
When the barometer rises it means air pressure goes up. When that happens there is clear skies and little clouds. So you would be expecting hotter weather.
4 0
3 years ago
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3Fe+4H2O-->Fe3O4+4H2 What is the mole ratioof Fe3O4 to Fe?
love history [14]
For every 3 Fe there is only 1 Fe3O4 producing.
So, ratio would be: Fe3O4 / Fe = 1 / 3

In short, Your Answer would be: 1 : 3

Hope this helps!
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500 cm3 of H2 gas at STP<br> Contradictions of hydrogen
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letter to your mother telling her about the celebrations of your birthday at school

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