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weqwewe [10]
3 years ago
7

In a chemical reaction the physical states of each chemical species is denoted by a state symbol. Each state is represented by a

lower case letter in parenthesis after the formula. For example: (s) indicates solid, (l) indicates liquid and (g) indicates gas. What does the state symbol (aq) indicate
Chemistry
1 answer:
Vedmedyk [2.9K]3 years ago
3 0
Aqueous, it means dissolved in water
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PLEASE HELP!!!! WILL GIVE BRAINLIEST!!!!
Marina CMI [18]

Answer:

C

Explanation:

It afffects changes in pressure and temperature not melting and boiling points

5 0
2 years ago
A sample of nitrogen gas has a mass of 48.6 grams. How many N2 molecules are there in the sample? molecules Submit Answer &
marysya [2.9K]

Answer:

There are 1.05  x 10²⁴ molecules in 48.6 g N₂

Explanation:

1 mol of N₂ has a mass of (14 g * 2) 28 g.

Then, 48.6 g of N₂ will be equal to (48.6 g *(1 mol/ 28 g)) 1.74 mol.

Since there are 6.022 x 10²³ molecules in 1 mol N₂, there will be

(1.74 mol *( 6.022 x 10²³ / 1 mol)) 1.05  x 10²⁴ molecules in 1.74 mol N₂ (or 48. 6 g N₂).

6 0
3 years ago
Which would be a better base to use if you wanted to remove a proton from ethyne?
myrzilka [38]
-NH2 is the most favorable for the reaction
5 0
3 years ago
Does the volume of particles affect the behavior of gas
lilavasa [31]

Answer:

Yes, it does, although only physically and not chemically.

Explanation:

If a volume of gas is way spread out, it won't collide with the other gas particles as often, reducing pressure and temperature because they lose kinetic energy to their surroundings when they don't collide.

If it is compressed, it increases temperature and pressure because the gas particles collide with each other and the walls of the container way more often than if they had more space.

Hope this answers your question.

P.S.

Fun fact, gas particles are actually moving at 300-400 meters per second at room temperature, they only slow down to walking speed at very low temperatures, like 10 Kelvin

7 0
2 years ago
Consider an insulated container in which water (2.58 g) solidifies at 0 oC and 1 atm on the surface of a 55 g aluminum block. As
yarga [219]

Answer:

17.41°C is the change in temperature of the aluminum block.

Explanation:

Latent heat of fusion water = 334 J/g

Heat required to freeze 1 gram of water = -334 J

Heat required to freeze 2.58 grams of water = Q

Q=2.58 g\times (-334 J/g)=-861.72 J

Heat lost by water will be equal to heat gained by the aluminum block

Q'=-Q

Q'= -(-861.72 J)=861.72 J

Formula used to calculate heat absorbed by substance:

Q=mc\Delta T

Where:

Q = heat absorbed by substance

c = specific heat of substance

m = Mass of the substance  

ΔT = change in temperature of the substance

We have :

Mass of aluminum block= m= 55 g

Heat capacity of aluminum = c = 0.9 J/g°C

Change in temperature of the aluminum block= ΔT = ?

Heat absorbed by the aluminum = Q'

861.72 J=55 g\times 0.9 J/g^oC\times \Delta T

\Delta T=17.41 ^oC

17.41°C is the change in temperature of the aluminum block.

8 0
3 years ago
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