PHY 122 Lab 1
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DaVonia LaMar 1/29/24 Wave Speed or Warp Speed Online Lab
Theory: The movement of waves is caused by disturbances in the water's surface, such as a droplet striking the water or wind blowing across it. This phenomenon is known as fluid dynamics. The distance between subsequent peaks or troughs is represented by the wavelength of these waves, or λ, which depends on several elements including surface tension and the type of initial disturbance. It also shows how far apart compressions are from one another. The number of waves that pass a certain spot in a unit of time, or frequency (f), depends on how quickly disruptions happen. Also, the higher frequencies result in shorter wavelengths Wavelength and frequency are multiplied to find the wave speed (v) (v = fλ), which indicates how rapidly the waves move across the water. When two or more waves collide and overlap in a way that causes their amplitudes to add together, creating a bigger wave, this is known as constructive interference. A
resultant
= A
1
+ A
2
is the equation for two waves with amplitudes. The equation A
resultant
= A
1
-A
2
describes destructive interference, which happens when two waves collide and overlap in a way that causes their amplitudes to subtract, producing a wave with a reduced or zero amplitude.
Data: Destructive Constructive Water Frequency(Hz) Time 1 (s) Time 2 (s) Time 3 (s) AVG time (s) Wavelength (m) Wave speed (m/s) 0.62 1.81 1.76 1.26 1.61 0.040 0.025 0.75 1.35 1.40 1.26 1.34 0.027 0.020 0.84 1.26 1.13 1.18 1.19 0.018 0.015 0.80 1.18 1.40 1.18 1.25 0.013 0.010 0.72 1.35 1.35 1.46 1.39 0.010 0.007 Average 0.016
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Related Questions
Please do surface tension, polar molecules, shape structure and transparent
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Pls answer quickly
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pls solve all
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O O O 0
What describes a water molecule's ability to stick to another water molecule?
a
Cohesion
Adhesion
Surface Tension
Water is wet
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please help me with my hw. Please answer letter b completely. Hoping for you to help me as i am struggling so much. Tysm❤️
TYPES OF SOLIDS AND THEIR PROPERTIES
Solids can be categorized as crystalline and amorphous. The difference in properties of these two groups of solid arises from the presence or absence of long range order of arrangement of the particles in the solid.
Properties
Crystalline Solid
Amorphous solid
Arrangement of particles
Arranged in fixed geometric pattern or lattices.
Have random orientation of particles
Behavior when heated
Attractive forces are broken by same amount of energy, thus, becomes liquid at a specific temperature.
Softens when gradually heated, they tend to melt over a wide range of temperature.
FACTS:
More than 90% of naturally occurring and artificially prepared solids are crystalline.
The repetition of structural units of substance over long atomic distances is referred to as long-range order.
The repeating units…
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models are functional tools that scientists use to explain complex behaviors. What is a benefit of the Spacefill model? what is a draw back
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part B 6
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Screen Reader Description: The Ordinary Phases of Water. Image: Graph of Temp (Kelvins from 0 to 700) on X axis, P (atm) on Y axis (from 10 to the power of 0 to 10 to the power of 8, pressure, (P a)). There is a curve starting at 200 on the X axis and 10 to the power of 0 on the Y axis. The line goes upward to the right to finish at 610 on the X axis and 10 to the power of 7 on the Y axis. There is a straight line with a slightly negative slope starting at 260 on the X axis and 10 to the power of 8 on the Y axis that goes downward until it hits the curve and stops. To the left of the straight line is the word "Solid". Between the straight line on the right and the curve is the word "Liquid". To the right side of the curve is the word "Gas". End of image.
The critical temperature is:
0 K
100 K
200 K
300 K
400 K
500 K
600 K
700 K
100 Pa
101 Pa…
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Please answer quickly!
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TRUE OR FALSE
When cohesion is greater than adhesion, a concave appearance of the liquid in a tube is evident.
if water has no ability to form hydrogen bonds, it would be gas at room temperature.
The attractive interaction between an ion and the induced dipole is called ion-induced dipole force.
A polar molecule placed near an atom causes distortion of the electron cloud of the atom resulting to a dipole.
Polarizability prevents gases containing non polar molecules to condense.
Hydrogen bond is stronger than covalent bond.
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In the video the temperature of the water in the flask was measured when ice first started to form.
The temperature recorded was 0.3 °C. Record this value below. Using the graph, determine the
theoretical temperature of sea ice formation for 35 ppt seawater.
Theoretical temperature of ice formation:
Record Answer
Temperature of initial ice formation:
Record Answer
Temperature (°C)
1.0
0.5
0
-0.5
-1.0
-1.5
-2.0
-2.5
S
10
15
20
25
Salinity (ppt)
30
35
40
45
50
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Answer letter d and e
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The critical pressure is:
Screen Reader Description: The Ordinary Phases of Water. Image: Graph of Temp (Kelvins from 0 to 700) on X axis, P (atm) on Y axis (from 10 to the power of 0 to 10 to the power of 8, pressure, (P a)). There is a curve starting at 200 on the X axis and 10 to the power of 0 on the Y axis. The line goes upward to the right to finish at 610 on the X axis and 10 to the power of 7 on the Y axis. There is a straight line with a slightly negative slope starting at 260 on the X axis and 10 to the power of 8 on the Y axis that goes downward until it hits the curve and stops. To the left of the straight line is the word "Solid". Between the straight line on the right and the curve is the word "Liquid". To the right side of the curve is the word "Gas". End of image.
Question 18 options:
0 K
100 K
200 K
300 K
400 K
500 K
600 K
700 K…
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Hydrogen bonding with water
Draw the expanded structure of C15H11I4NO4 (Levothyroxine) molecule. Illustrate all ways that this molecule could form hydrogen bonds with water. Do this by drawing bent water molecules as necessary and use dashed lines (---) to show H-bonding between water and the appropriate atom in the molecule. Be sure that it is very clear which atoms on each molecule are involved in the hydrogen bonds. Keep in mind that hydrogen bonds from water can only from to the polar parts of this molecule. If this molecule is not capable of forming hydrogen bonds with water, fully explain why not.
Thank you!
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CamScanner 09-05-2021 08.01.p x
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(D Page view
A Read aloud
V Draw
E Highlight
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of 9
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PIC.17 Under what conditions can liquid nitrogen be formed by the
application of pressure alone?
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At 537°R, how high will water rise in a glass capillary tube (in cm) with a cross sectional area of 2.1124×10-6 ft². For water the surface tension is 71.99 mN/m (milli-Newton/meter) and the density is 1000 g/L. With the contact angle to be 0°.
A. 8.5 cm
B. 2.5 cm
C. 12 cm
D. 15 cm
E. 25 cm
F. 13.25 cm
G. 14.75 cm
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Identify the phase change being described in each example.
Water vapor in the air cools to form liquid droplets on the side of a cold soda can.
As a pot of water is boiled on the stove, steam rises out of the pot.
As the sun rises over a mountain, the snow and ice at the mountain's peak turn into water
vapor instantly.
The formation of frost in sub 0 °C temperatures on a humid night.
Answer Bank
condensation
vaporization
deposition
sublimation
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How is relative humidity different from absolute humidity and specific humidity?
Other than salinity, what other parameters can a refractometer measure? How is it different from salinity? What other instruments can be used to measure salinity?
List down 5 other instruments and equipment that are used to in ecology studies and discuss where it is used for:
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Surface science
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DIRECTIONS: Read and analyze each question then choose the letter of the correct answer. Write the LETTER of the correct answer on a separate answer sheet.
4. True or False: Vapor pressure is temperature-dependent (the higher temperature, the higher the vapor pressure. ________
5. Every morning when I’m about to water my indoor plants, I observed that there are droplets clinging to the edge of its leaves. What could be the BEST explanation for this occurrence? a) The osmotic pressure plays a major mechanism for transporting water upward in plants. b) The water just peeped thru the layers of the leaves of the plants.c) It does not happen to the indoor plants but also to outdoor plants but it has no significant explanation for this. d) Water is being pulled up through its trunks, branches and stems of trees by its pressure.
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0.14
90.12
50.10
25 °C
0.08
35 °C
0.06
0.04
0.02
0.00 8
0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0
WATER ACTIVITY
Figure 1
Explain the relationship of temperature with the moisture content and water
activity.
MOISTURE CONTENT (dry basis)
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Could you help me with #8? I included a picture of the phase diagram that was given.
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What is adhesion? Give an example.
Why does surface tension occur?
How does evaporation occur?
Can you please help me with these 3 questions it the end of the semester and I'm really Struggling. Thank you so much you are the best
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Answer the following questions on the picture
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Part B
The phase diagram for an organic compound is shown.
1.00-
Y
Pressure
(atm)
0.5-
0.10 -
-150
-75
75
150
Temperature (°C)
What is the normal boiling point of this compound?
Express your answer as an integer and include the appropriate units.
> View Available Hint(s)
µA
Value
°C
normal boiling point =
Submit
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2.
手
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Intermolecular Forces (what is the dominant IMF?)
carbon tetrachloride
N„H,
Nitrogen gas
Octane (CH)
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