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3 years ago

What happens when More gases dissolve into magma

2 answers:

7 0

<span>Bodies of magma rise in the crust until they reach a point of neutral buoyancy. The expansion of gases brings the magma closer to the surface and drives eruptions. When more gases are dissolve into the magma, there would more chances of explosion. Hope this answers the question.</span>

Airida [17]3 years ago

6 0

Answer:

The dissolved gases play a significant role in pushing the magma upwards, towards the surface. When these dissolved gases are in large quantities within the magma, then the intruding magma is able to generate more force, pushing the magma towards the surface. As a result of which, violent volcanic eruptions take place that releases various harmful gases. If the silica content is high and the magma comes in contact with water then it leads to a heavy explosion.

These dissolved gases are mostly Carbon dioxide (CO₂), sulfur dioxide (SO₂), hydrogen sulfide (H₂S) and a certain amount of water vapor (H₂O).

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Ethanol (c2h5oh) melts at -114Â°c. the enthalpy of fusion is 5.02 kj/mol. the specific heats of solid and liquid ethanol are 0.9

Nimfa-mama [501]

Answer: 4.18925 kJ heat is needed to convert 25.0 g of solid ethanol at -135 °C to liquid ethanol at -50°C.

Explanation:

Temperature of Solid $C_2H_5OH=-135^oC=138 K(0^oC=273K)$

Melting temperature of Solid $C_2H_5OH=114^oC=159 K$

Temperature of liquid $C_2H_5OH=-50^oC=223K$

Specific heats of solid ethanol = 0.97 J/gK

Specific heats of liquid ethanol = 2.3 J/gK

Heat required to melt the the 25 g solid $C_2H_5OH$ at 159 K

$\Delta T_1$ = 159 K - 138 K = 21 K

$Q_1=mc\Delta T= 25\times 0.97J/gK\times 21 K=509.25 J$

Heat required to melt and raise the temperature of $C_2H_5OH$ upto 223 K

$\Delta T_2$ = 223 K - 159 K = 64 K

$Q_2=mc\Delta T= 25\times 2.3J/gK\times 64 K=3680 J$

Total heat to convert solid ethanol to liquid ethanol at given temperature :

$Q_1+Q_2=509.25 J+3680 J=4189.25 J=4.18925 kJ$ (1kJ=1000J)

Hence, 4.18925 kJ of heat will be required to convert 25.0 g of solid ethanol at -135 °C to liquid ethanol at -50°C.

6 0

3 years ago

Clouds are formed by the ________ water

tatuchka [14]

Clouds are made of water. When water evaporates it turns into clouds. So, I think the answer is EVAPORATED water.

4 0

3 years ago

Chemistry is the definition

KIM [24]

Answer:

the branch of science that deals with the identification of the substances of which matter is composed; the investigation of their properties and the ways in which they interact, combine, and change; and the use of these processes to form new substances.

Explanation:

Hope this helps. :)

8 0

3 years ago

Did I do this science worksheet correctly? Asking for a friend

grin007 [14]

Yes everything looks good to me

8 0

3 years ago

Consider the following first order decomposition reaction with a half-life of 65 seconds at a given temperature:

katrin [286]

Answer:

130

Explanation:

This is because that 3atm of N2O4 is used up for the 6atm of NO2, so 1 atm N2O4 is left. Resulting in In(1/4).

6 0

3 years ago