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krok68 [10]
3 years ago
9

Compare S (secondary) waves and P (primary) waves. Why do they travel at different speeds?

Chemistry
1 answer:
Amanda [17]3 years ago
8 0

S waves

  • These are shear waves .
  • The motion of the medium is perpendicular to  direction of propagation of the wave .
  • They can propagate only through solids and not through gases or liquids .
  • S waves are larger .
  • They travel with less speed .

P waves

  • These are compression waves .
  • These waves produces a force along the direction of propagation .
  • They can propagate through solids, gases and liquids.
  • P waves are smaller than s waves .
  • They travel with 60% greater speed than S waves .

P-waves travel 60% faster than S-waves on average because the interior part of the Earth does not react the same way as the s wave and P wave.

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Answer:

A

Explanation:

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3 years ago
A and b are two gases that are mixed together: 2.50 mol a is mixed with 0.850 mol b. if the final pressure of the mixture is 1.7
USPshnik [31]

Partial pressure of gas A is 1.31 atm and that of gas B is 0.44 atm.

The partial pressure of a gas in a mixture can be calculated as

Pi = Xi x P

Where Pi is the partial pressure; Xi is mole fraction and P is the total pressure of the mixture.

Therefore we have Pa = Xa x P and Pb = Xb x P

Let us find Xa and Xb

Χa = mol a/ total moles = 2.50/(2.50+0.85) = 2.50/3.35 = 0.746

Xb = mol b/total moles = 0.85/(2.50+0.85) = 0.85/3.35 = 0.254

Total pressure P is given as 1.75 atm

Pa = Xa x P = 0.746 x 1.75 = 1.31atm

Partial pressure of gas A is 1.31 atm

Pb = Xb x P = 0.254 x 1.75 = 0.44atm

Partial pressure of gas B is 0.44 atm.

Learn more about Partial pressure here:

brainly.com/question/15302032

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6 0
2 years ago
Given the following reaction: 2H2(g) + O2(g) à 2H2O(g) answer the following questions:
lora16 [44]

Answer:

Explanation:

2 moles hydrogen reacts with one mole of oxygen to give 2 moles of water.

a ) rate of consumption of hydrogen ( moles per second)  is twice the rate of consumption of oxygen .

b ) rate of formation of water ( moles per second ) is twice the rate of consumption of oxygen

c ) rate of formation of water ( moles per second ) is equal to  the rate of consumption of hydrogen.

6 0
3 years ago
Hi I’m kurama have some of my points!
Burka [1]
✨Tysm for the points kurama :)✨
6 0
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Assume that Na+ is being transported across a membrane via facilitated diffusion. Which of the following conditions would allow
lesya [120]

Answer:

<h2>4. Na+ diffusing toward the side of the membrane with Cl− and 50% less Na+.</h2>

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Facilitated diffusion is a type of transport mechanism in which the special proteins are involved and play an important role in the transport of the atoms, ions or molecules. This mechanism is based on the electrochemical gradient differences. When this difference increase, then the transport of the sodium takes place because sodium ions are chemically attracted by chloride ions. In a facilitated diffusion process, no energy requirement takes place. This process occurs along the concentration gradient.

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