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BabaBlast [244]
3 years ago
6

Pls help what’s the answer?

Chemistry
2 answers:
Rudik [331]3 years ago
7 0
Ima need a little more then 5 points to answer this
zlopas [31]3 years ago
7 0
I am pretty sure it’s the brown line
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plssss help me !! Liquid water can be separated into hydrogen gas and oxygen gas through electrolysis. 1 mole of hydrogen gas an
Fantom [35]

Answer:

I'm not sure but all I can find is this for you :)

The temperature of the oxygen gas is  243.75 K.

Using ideal gas law to explain the answer, the absolute temperature of the gas will decrease if the number of moles of the gas increases and it will increase if the volume and/or pressure of the gas increases.

4 0
3 years ago
Which part of the energy profile of a chemical reaction that goes to completion is typically the highest in energy? A. The activ
Helen [10]
The answer is D transition state. In the energy profile, the transition state is the highest point. For a reaction, the activation energy is the minimal energy needed to trigger a reaction. The reactants are the start of the reaction and the products are the end of the reaction.
4 0
3 years ago
What is the concentration of hydronium ion in a 0.121 M HCl solution?
kogti [31]

Answer:

C) 0.121 M

Explanation:

HCl + H₂O = H₃O⁺ + OH⁻

.121M              .121M

HCl is a strong acid . It will dissociate almost 100 % so the concentration of acid and hydronium ion formed will be equal . It is to be noted that hydronium ion is formed due to association of H⁺ and H₂O . H⁺ is formed due to ionisation of HCl .

So concentrtion of hydronium ion ( H₃O⁺ ) will be .121 M.

7 0
3 years ago
Why is carbon dioxide called a gas and not vapour?
Afina-wow [57]

Explanation:

CO2 is called as gas because it exist in single thermodynamics state i.e CO exist in gases state only at room temperature.

5 0
3 years ago
Please help IM IN HURRY!!!
Vladimir [108]
1.9000 kilogram/cubic meter
8400 kilogram/cubic meter
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