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4 years ago

In which type of wave do the particles in a medium move perpendicular to the direction that the wave moves?

1 answer:

4 0

Have you ever seen a buoy on a sea before? It goes up and down, perpendicular to the direction the wave moves. What's the motion of the sea looks like? Transverse wave, not ocean waves because we're talking about particles.

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What is the temperature of 0.5 moles of water vapor that occupies 120 dm3 and applies a pressure of 15,000 Pa to its container?

AleksandrR [38]

Answer:

The answer is C. 7.52 K

Explanation:

hope it helps

6 0

3 years ago

A sample of gas occupies a volume of 67.1 mL . As it expands, it does 135.3 J of work on its surroundings at a constant pressure

Semmy [17]

Answer:

$V_2=1.363x10^{-3}m^3=1363mL$

Explanation:

Hello,

In this case, since the work done at constant pressure as in isobaric process is computed by:

$W= P(V_2-V_1)$

Thus, given the pressure, initial volume and work, the final volume is:

$V_2=V_1+\frac{W}{P}$

Whereas the pressure must be expressed in Pa as the work is given in J (Pa*m³):

$P=783Torr*\frac{101325Pa}{760Torr} =104394Pa$

And the volumes in m³:

$V_1=67.1mL*\frac{1m^3}{1x10^6mL} =6.71x10^{-5}m^3$

Thus, the final volume turns out:

$V_2=6.71x10^{-5}m^3+\frac{135.3Pa*m^3}{104394Pa}\\\\V_2=1.363x10^{-3}m^3=1363mL$

Best regards.

3 0

4 years ago

Which statement correctly describes gravity? Group of answer choices an attractive force that acts between all objects without c

juin [17]

Answer:

i believe the answer is B.

Explanation :

Gravity is the force by which a planet or other body draws objects toward its center. The force of gravity keeps all of the planets in orbit around the sun.

5 0

3 years ago

Read 2 more answers

What ion does carbon form

AlladinOne [14]

Answer:

The electronegativity of carbon (EN = 2.55) is too small to allow carbon to form C4- ions with most metals and too large for carbon to form C4+ ions when it reacts with nonmetals. Carbon therefore forms covalent bonds with many other elements.

3 0

3 years ago

Element or Compound Krypton Lye Graphite Vinegar

Thepotemich [5.8K]

Krypton- rare gas, element in the noble gases
Lye- sodium hydroxide, compound
Graphite- element
Vinegar- is acetic acid, compound( aqueous solution)

7 0

3 years ago