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ELEN [110]
4 years ago
9

Check all of the following statements which are true. (You may need to consult Section 7.6 in the textbook.) You should check an

ywhere from one to five boxes.
A) None of these statements are true.
B) The vapor pressure of a liquid is a linear function of temperature.
C) The boiling point of a liquid increases as the pressure increases.
D) The amount of heat required to convert a liquid to a gas at a given temperature is called the heat of fusion.
E) The opposite of sublimation is deposition.
F) Materials with higher boiling points tend to also have higher vapor pressures.
Physics
1 answer:
IrinaVladis [17]4 years ago
8 0

Answer:

D

Explanation:

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Complete the following table. Be sure to include units in your answer.
mel-nik [20]

Answer:

Complete the following table. Be sure to include units in your answer.

Explanation:

all you have to do is mautiply them

6 0
3 years ago
calculate the initial velocity of an object displaced 33 meters while accelerating 8 m/s^2 to a final velocity of 68 m/s how do
Grace [21]

Use the equation

{v_f}^2-{v_i}^2=2a\Delta x

The final velocity v_f is 68 m/s, the acceleration a is 8 m/s^2, and the net displacement \Delta x is 33 m, so you can solve for the initial velocity v_i:

\left(68\,\dfrac{\mathrm m}{\mathrm s}\right)^2-{v_i}^2=2\left(8\,\dfrac{\mathrm m}{\mathrm s^2}\right)(33\,\mathrm m)

{v_i}^2=4096\,\dfrac{\mathrm m^2}{\mathrm s^2}

v_i=64\,\dfrac{\mathrm m}{\mathrm s}

8 0
3 years ago
Investigative questions for heating curve of water in an experiment and hypothesis investigative question ​
SIZIF [17.4K]

Given what we know, we can confirm that investigative questions are used to develop and test hypotheses and often lead to the formation of an experiment.

<h3>What are investigative questions?</h3>

These are questions posed by scientists that will often lead to a hypothesis. They are the crucial first step in the scientific process. Some examples of investigative questions include:

  • Why are plants green?
  • Does gravity affect all objects equally?
  • What makes ice melt?

etc.

Therefore, we can confirm that investigative questions such as these are often the basis on which hypotheses are created and experiments are made in order to test the speculated results.

To learn more about investigations visit:

brainly.com/question/1191670?referrer=searchResults

4 0
3 years ago
C. Two persons A and B are pushing a block from opposite sides with
Stels [109]

Answer:

1 N

Explanation:

1) You'll just have to sum the force vectors, and since they are opposite, you'll calculate the difference of their magnitudes, in absolute value.

Ftot = |F1 - F2| = 6N - 5N = 1N

2)The direction will be the same as the greater force's direction.

5 0
2 years ago
An unusual lightning strike has a vertical portion with a current of −400 A downwards. The Earth's magnetic field at that locati
Xelga [282]

Answer:

0.3 N

Explanation:

i = 400 A

B = 30 x 10^-6 T

L = 25 m

Force due the current carrying conductor placed in a magnetic field

F = B i L SinФ

where, Ф be the angle between length vector and magnetic field vector

F = 30 x 10^-6 x 400 x 25 = 0.3 N

4 0
4 years ago
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