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Vikki [24]
3 years ago
7

.........................helpplsplspls.....................

Chemistry
2 answers:
Rudik [331]3 years ago
7 0

Answer:

nah

Explanation:

ankoles [38]3 years ago
3 0

Answer:

Solid: Definite shape and volume, particles vibrate in place, non-compressible

Liquid: Non-compressible, definite volume, no definite shape, particles slide past each other

Gas: Compressible, no definite shape or volume, particles slide past each other

Explanation:

Hope this helps!

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Why does the boiling point of water change at high elevation (maybe in Denver, Colorado, the Mile-High City) compared to sea lev
Oksanka [162]

Explanation:

This is due to a reduction in atmospheric pressure – pressure due to the weight of the overlying air column). Remember that the higher the altitude the lower the air density and subsequently the lower the air pressure.

Therefore when heating water at higher altitude the vapor pressure of the water at the surface overpowers the atmospheric pressure – which is slightly lower than at sea level – even before the water temperatures reach 100 degrees centigrade.

7 0
3 years ago
Creates a water and salt by this double replacement reaction.
LenKa [72]

Both acid and base

Because

Acid + Base → Water + Salt

3 0
3 years ago
Read 2 more answers
Ammonium carbonate decomposes upon heating according to the following balanced equation:
Ugo [173]

Answer : The total volume of gas produced are, 11.5 L

Explanation :

First we have to calculate the moles of ammonium carbonate.

\text{Moles of }(NH_4)_2CO_3=\frac{\text{Mass of }(NH_4)_2CO_3}{\text{Molar mass of }(NH_4)_2CO_3}

Molar mass of (NH_4)_2CO_3 = 96.094 g/mol

\text{Moles of }(NH_4)_2CO_3=\frac{11.9g}{96.094g/mol}

\text{Moles of }(NH_4)_2CO_3=0.124mol

Now we have to calculate the moles of total gas.

The given balanced chemical reaction is:

(NH_4)_2CO_3(s)\rightarrow 2NH_3(g)+CO_2(g)+H_2O(g)

From the balanced chemical reaction we conclude that,

As, 1 mole of (NH_4)_2CO_3 react to give 4 mole of gas

So, 0.124 mole of (NH_4)_2CO_3 react to give 0.124\times 4=0.496 mole of gas

Now we have to calculate the volume of gas.

Using ideal gas equation:

PV=nRT

where,

P = Pressure of gas = 1.05 atm

V = Volume of gas = ?

n = number of moles = 0.496 mole

R = Gas constant = 0.0821L.atm/mol.K

T = Temperature of gas = 24.0^oC=273+24.0=297.0K

Putting values in above equation, we get:

1.05atm\times V=0.496mole\times (0.0821L.atm/mol.K)\times 297.0K

V=11.5L

Thus, the total volume of gas produced are, 11.5 L

6 0
3 years ago
PLEASE HELP! this is a science test/quiz I’m pretty sure the answers are on the bottom if not please comment so I can tell you t
bearhunter [10]
ITS NOT LETTING ME PUT THR ANSWER
4 0
3 years ago
A sample of xenon gas occupies a volume of 5.24 L at 411 K. If the pressure remains constant, at what temperature will this
stiks02 [169]

Answer:

161.57 K

Explanation:

V1/T1 = v2/T2

(5.24 L)/(411 K) = (2.06 L)/T2

T2 = 161.57 K

8 0
2 years ago
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