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andreyandreev [35.5K]
4 years ago
11

Heat and pressure due to magma intrusions may result in

Chemistry
1 answer:
SIZIF [17.4K]4 years ago
5 0
Hey there,
<span>contact metamorphism
</span>
Hope this help :))

~Top
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Which elements have more metallic character the no-metals or the metals ones?
Sidana [21]

Answer:

The metallic elements have more metallic characteristcis.

Explanation:

  • Metallic character is the name given to a set of common properties shared by the metallic elements.
  • Metallic luster, high density, high electric and thermal conductivity are some physical properties associated with metallic characters.
  • Malleability and ductility is also an important metallic characteristic.
  • Generally the metals are hard and dense.
  • The elements on the left hand side of the periodic table show metallic characteristics except hydrogen.

3 0
4 years ago
The pressure of a 1-L nitrogen gas sample at 25 ⁰C is 0.30 atm. The pressure of a 1-L oxygen gas sample at the same temperature
ki77a [65]

Answer:

Nitrogen = 0.3 atm

Oxygen = 0.25 atm

Argon  = 0.45 atm

Explanation:

According to Dalton's law of partial pressure, the total pressure in the container is equal to sum of the partial pressures of the individual gases.

Given;

Total pressure of the gases, P_total = 1 atm

Pressure of nitrogen, P_nitrogen = 0.3 atm

Pressure of oxygen, P_oxygen = 0.25 atm

Pressure of argon, P_argon = ?

P_{total} = P_{nitrogen} + P_{oxygen} + P_{argon}\\\\1 \ atm= 0.3 \ atm + 0.25 \ atm + P_{argon}\\\\1 \ atm= 0.55 \ atm +  P_{argon}\\\\ P_{argon} = 1 \ atm - 0.55 \ atm\\\\ P_{argon} = 0.45 \ atm

Therefore, the contribution of each gas to the total pressure of the gas mixture is;

Nitrogen = 0.3 atm

Oxygen = 0.25 atm

Argon  = 0.45 atm

8 0
3 years ago
I need help with this question please!!
mariarad [96]
The answer is B

Hope this helped. Good luck!
3 0
3 years ago
The unit cubic meter measures ____?<br> A.volume <br> B.length<br> C.density <br> D.area
iVinArrow [24]
The answer is A. Volume.
4 0
3 years ago
Read 2 more answers
Butyl butyrate is an ester that is a naturally occurring oil used in the flavor industry for its fruity scent. If the steam dist
Snezhnost [94]

Answer:

The correct answer is 62.5 %.

Explanation:

Based on the given information, the partial pressure of butyl butyrate is 50 mmHg and the partial pressure of water is 710 mmHg.  

Hence, the total pressure is 710+50 = 760 mmHg

According to Dalton's law of partial pressure,  

Partial pressure = mole fraction * total pressure

Mole fraction of water is,  

Partial pressure of water/Total pressure = 710/760 = 0.93

Similarly, the mole fraction of butyl butyrate is,  

Partial pressure of butyl-butyrate/Total pressure = 50/760 = 0.07

Therefore, mole% of water is 0.93 * 100 = 93 %

For calculating mass%,  

Mass of H2O = 0.93 * 18 = 16.8 grams (The molecular mass of water is 18 grams per mole)

The molecular mass of butyl-butyrate is 144 gram per mole

The mass of butyl-butyrate = 144 * 0.07 = 10.08 grams

The mass percent of water will be,  

Mass % of water/Total mass % * 100 = 16.8 / 10.08 + 16.8 * 100 = 62.5%.  

8 0
3 years ago
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