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3 years ago

What is the distinction between magma and lava

Chemistry

2 answers:

BabaBlast [244]3 years ago

7 0

Answer:

Scientists use the term magma for molten rock that is underground and lava for molten rock that breaks through the Earth's surface.

natta225 [31]3 years ago

4 0

Answer:Scientists use the term magma for molten rock that is underground and lava for molten rock that breaks through the Earth's surface.

Explanation:

Magma is composed of molten rock and is stored in the Earth's crust. Lava is magma that reaches the surface of our planet through a volcano vent. As they are both molten rock that emerges from below the Earth, it can get confusing identifying one from the other.

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Calculate the values of LlU, LlH, and LlS for the following process: 1 mole of liquid water 1 mole of steam -+ at 25°C and 1 atm

vazorg [7]

Answer:

1. 46.44 Kj

2. 126.3 J|K

3. 43.34 Kj

Explanation:

change in temperature

25+274 = 298K

100+273 = 373

∆H = nC∆T + n∆H

1x75.5x75+1x40.79

= 5647.5+40.9

we convert 5647.5 to Kj

= 5.6475+40.79

= 46.44Kj

2.

∆S = 1x0.0753x(ln373/298) + 1molx40.79/373

= 0.01690 + 0.1094

= 0.1263kj/k

∆S = 126.3J|K

3.

∆U = ∆H - RTn

= 46.44-0.0831x373x1mol

= 46.44-3.09963

= 43.34

these resulting values are the correct answer to this question.

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Answer:

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Explanation:

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Explanation:

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3 years ago

What is the distinction between magma and lava​

What is the distinction between magma and lava