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kipiarov [429]
3 years ago
7

State two procedures which should be used to properly handle a light microscope

Chemistry
1 answer:
babunello [35]3 years ago
5 0

hold at base and arm

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To what volume will a 2.33 l sample of gas expand if it is heated from 30.0 ∘c to 300.0 ∘c?
gizmo_the_mogwai [7]
According to Charle's Law,
V/T =  constant
where 
V = volume
T =  absolute temperature.

The law holds when the pressure of an ideal gas is held constant while temperature changes.

V₁ = 2.33 L, initial volume
T₁ = 30°C = 30+273 K = 303 K, initial temperature
T₂ = 300°C = 300+273 K = 573 K, final temperature

The final volume, V₂, is given by
V₂/T₂ = V₁/T₁
V₂ = (573 K)*(2.33/303  L/K)
     =  4.406 L

Answer: 4.41 L

3 0
3 years ago
Why is it possible to safely drink a solution that contains a 50:50 mixture of equal concentrations of a strong acid and a stron
kiruha [24]
Because a 50 50 solution of equal concentrations of acid and base neutralize each other and you will get basically a complete neutral substance like water
7 0
3 years ago
If you were allowed to do a science project and it was about the nervous system, why would you do that topic
Katarina [22]
I would do the nervous system because nerves are what makes you feel everything around you and in order for you to be able to react you need the nervous system why? <span>The nervous system is the highway along which your brain sends and receives information and feelings about what is happening in the body and around it on the outside. This highway is made up of billions of nerve cells, or neurons which join together to make nerves. This is very important for the human to be able to live!</span>
3 0
3 years ago
Read 2 more answers
Convert 6.42 moles of H2O to molecules
Ivahew [28]

Answer:

3.87 x 10^24

Explanation:

Simply multiply the moles by avogadros number

6.42 moles of H2O x 6.022 x 10^23 molecules/1 mole of H2O = 3.87 x 10^24 molecules of H2O

4 0
3 years ago
How many moles are in 35.0 grams of H₂O?
Nikitich [7]
1.94 moles


I did 35/18.02 because 18.02 is the molar mass of water
3 0
3 years ago
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