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Ulleksa [173]
3 years ago
10

When the pressure and number of particles of a gas are constant, which of the following is also constant

Chemistry
1 answer:
kvv77 [185]3 years ago
4 0
The temperature is also constant
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___ is the diffusion of water molecules across a
Gre4nikov [31]
I think the answer is osmosis
4 0
3 years ago
Acenaphthylene, a hydrocarbon that is a constituent of a coal tar, is 94.71% and has a molar mass of 152.19 g/mol. What are the
dolphi86 [110]

Answer:

From what I personally know, Acenaphthylene 75%. Empirical Formula (Hill Notation): C12H8. CAS Number: 208-96-8. Molecular Weight: 152.19. Beilstein: 774092. EC Number:

Explanation:

Acenaphthylene, a polycyclic aromatic hydrocarbon is an ortho- and peri-fused tricyclic hydrocarbon. The molecule resembles naphthalene with positions 1 and 8 connected by a -CH=CH- unit. It is a yellow solid. Unlike many polycyclic aromatic hydrocarbons, it has no fluorescence. Acenaphthylene/Formula is C12H8.

I'm not sure if this will help you but this is what I know so I hope it does :)

5 0
3 years ago
In terms of acids and bases, what does neutralization mean?.
egoroff_w [7]

Answer:

Neutralization is when the pH (power of hydrogen ions) of a solution is at 7 (considered neutral in the pH scale). This means it's neither acidic nor basic and is neutral. In order to neutralize an acidic solution, you pour in the same amount of a strong base. And in order to neutralize a basic solution, you pour in the same amount of a strong base.

A neutralization reaction will give you salt and water. A common neutralization reaction could be:

HCl (strong acid) + NaOH (strong base) ----> NaCl (Salt) + H2O (water)

7 0
3 years ago
Which particle has the greatest mass?
Orlov [11]
(1) An alpha particle has the greatest mass.
Hope this helps~
3 0
3 years ago
Read 2 more answers
The mass percentage of hydrochloric acid within a solution is 15.00%. given that the density of this solution is 1.075 g/ml, fin
Morgarella [4.7K]

Given the mass percentage of HCl solution = 15.00 %

This means that 15.00 g HCl is present in 100 g solution

Moles of HCl = 15.00 gHCl*\frac{1 mol HCl}{36.46 g HCl} =0.411molHCl

Density of the solution = 1.075 g/mL

Calculating the volume of solution from density and mass:

100 g *\frac{1mL}{1.075 g} =93.0 mL

Converting volume from mL to L:

93.0 mL * \frac{1 L}{1000 mL} =0.093 L

Calculating the molarity of HCl solution from moles and volume:

\frac{0.411 mol}{0.093 L} =4.42 mol/L

8 0
4 years ago
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