CHEMISTRY MIDDLE SCHOOL

When an animal behaviriost attempts to explain or interpret her observations, she is ___________.

Answers

Answer 1
Answer:

Answer:

B.) Possibly making an infrence.

Explanation:

Judging on what sshe saw, she can try to infer or come up with an answer. [based on what she observed.]

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Which type of seismic waves produces the most severe ground movement?

Answers

The surface waves are the type of seismic waves that produce the most severe ground movement. This wave is slow in nature and so produces a rolling effect similar to a surface wave in a pond. This kind of wave is far more devastating than the P waves and the S waves. The surface waves have the capacity to shake a building from side to side until it collapses. This kind of wave moves in a pattern similar to a circle. It actually originates at a point and then start moving outwards in a circle.


It is true/falseit that when hydrogen cyanide, h c n , dissolves in water, the solution is weakly conducting and acidic in nature. This is because hydrogen cyanide, h c n is a blank that blank support the movement of charge. In addition, since specifically blank formed, the solution is blank.It is blank that when acetone, CH3COCH3, is dissolved in water conducting solution results. This is because acetone, CH3COCH3 is a blank that blank support the movement of charge

The words are:
True, false, weak electrolyte, strong electrolyte, non-electrolyte, does not, does, H+ is, OH- is, no ions are, acidic, basic, neutral.

Answers

Final answer:

HCN is a weak electrolyte that partially ionizes in water and forms an acidic solution as H+ ions are formed, while acetone is a non-electrolyte that does not form ions in water and the resulting solution is neutral.

Explanation:

It is true that when hydrogen cyanide, HCN, dissolves in water, the solution is weakly conducting and acidic in nature. This is because hydrogen cyanide, HCN, is a weak electrolyte that only partially ionizes in water, and hence does support the movement of charge, albeit to a lesser extent than a strong electrolyte. In addition, since H+ ions are specifically formed from the ionization of HCN in water, the solution is acidic.

It is false that when acetone, CH3COCH3, is dissolved in water a conducting solution results. This is because acetone, CH3COCH3, is a non-electrolyte. It does not ionize in water, and therefore does not support the movement of charge. As such, no ions are formed when acetone is dissolved in water and the solution remains neutral.

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Which atmospheric gas has the greatest effect on the weather conditions associated with an air mass?a. oxygen
b. nitrogen
c. methane
d. water vapor


Thanks!

Answers

D.water vapor is the answer

Veronica’s velocity was measured as 4.3 m/s. She displaced 20 meters in 4.7 seconds. Which piece of information is missing for the correct calculation of velocity?A) the direction
B) the end point

Answers

Answer:

The direction is missing here.

Explanation:

It is given that,

Veronica's velocity, v = 4.3 m/s

Distance, d = 20 m

Time taken, t = 4.7 s

The velocity of an object is defined as the net displacement divided by total time taken.

We need to find the missing information. We know that velocity is a vector quantity i.e. it has both magnitude and direction. Here, only magnitude of velocity is given but the direction is missing. So, the correct option is (a) " the direction".
B) The end point

The direction is not really important.

When a rocket rises what causes the reaction force

Answers

The action force when a rocket rises is caused by the rocket expelling gas out of its engine. The rocket reacts by moving in the opposite direction and lifting off from the launch pad.

Use bond energies to calculate the enthalpy change for the following reaction. H2(g) + CO2(g) ⟶ H2O(g) + CO(g)

please help!!!

Answers

The enthalpy change for the given reaction is 36kJ/mol
Answer is 36kj/mol same question thank you
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