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Physical Science
Page 6
Questions (1,521)
An object falls through the air, gaining speed as it falls. A student claims that this creates new energy, and so it breaks the
7 answers
asked by
yodog
74 views
A process in which a liquid changes into a solid is ___.
condensation melting freezing sublimation deposition vaporization
3 answers
asked anonymously
52 views
A process in which a gas changes directly into a solid is ___.
freezing condensation vaporization deposition melting sublimation
3 answers
asked anonymously
41 views
Two samples of pure water are mixed with food coloring. One sample is red, and the other is blue. When the two water samples are
3 answers
asked anonymously
67 views
Analyzing Gravitational Data Quick Check - 10th grade connexus physical science
these are correct as of 2/2/23 :) 1. Melissa is
2 answers
asked by
mmyoui
233 views
Which is slowest to heat up during the summertime?(1 point)
a large body of water, such as an ocean a large piece of land, such
4 answers
asked by
SOMEONE HELP ME PLEASE??
449 views
How does the Sun's gravity compare to the Earth's gravity?
A.The Sun's gravity is stronger B.The Earth's gravity is stronger
1 answer
asked by
Ano
262 views
A may describe the color, texture, mass, or weight of a material.
what is the answer that i did not write
4 answers
asked by
julia
277 views
What happens to the energy of the transition state when a catalyst is used?
a. The energy increases b. The energy decreases c.
4 answers
asked by
Ramon
1,237 views
In which of the following phase transitions is energy released?
liquid to solid solid to gas liquid to gas solid to liquid please
3 answers
asked by
lydia
2,627 views
During an experiment on a sunny day,students pour water on the sidewalk.Every 30 minutes ,they check the water to record any
3 answers
asked by
Judith
494 views
What is anything that has mass and takes up space?
1) Weight 2) Volume 3) Density 4) Matter When you measure the boiling point of
3 answers
asked by
jai
1,659 views
If the color of a silver nanoparticle remains constant, what does that tell you about the tendency of the particles to aggregate
2 answers
asked by
A
717 views
How much energy (in kilojoules) is released when 13.3g of steam at 114.5∘C is condensed to give liquid water at 67.0∘C? The
4 answers
asked by
Jess
1,625 views
A child receives a balloon filled with 27 L of
helium from a vendor at an amusement park. The temperature outside is 304 K. What
4 answers
asked by
reis
1,145 views
How much heat is added to 10.5 g of ice at -20.0°C to convert it to steam at 123.5°C?
3 answers
asked by
physics
626 views
In diving to a depth of 979 m, an elephant seal also moves 104 m due east of his starting point. What is the magnitude of the
2 answers
asked by
WR
800 views
The sizes and shapes of the hydrogen atom orbitals was revealed through graphical analysis of the corresponding wave functions.
3 answers
asked by
anonymous
1,635 views
. You and your friend are walking along a beach in Maine on January 15, at 8:00 am.
2. You notice a thermometer on a nearby
4 answers
asked by
Ava
2,239 views
The mass of a paper clip is approximately
1. 1 x 10^.6 kg 2. 1 x 10^3 kg 3. 1 x 10^-3 kg 4. 1 x 10^6 kg
4 answers
asked by
Priscilla
2,391 views
How much energy does it take to raise the temperature of 20 gallons of water from 5C to 300 F? Round answer to the nearest kJ.
3 answers
asked by
allen
71 views
The bottom wave has a greater ____
Trough Frequency Wavelength Amplitude
4 answers
asked anonymously
767 views
In a baseball game, Joseph hits a ball to the outfield. When does the ball have the most potential energy
3 answers
asked anonymously
246 views
Physical Science B Semester Exam
13 of 3013 of 30 Items Question A bar magnet is held in place while another bar magnet is placed
3 answers
asked by
the real BARNY THE DINO :)
213 views
Use the table to answer the question.
Planet Estimated Mass of Planet (1023 kg) W 6.4 X 3.3 Y 59.7 Z 48.7 Assuming these planets
3 answers
asked by
Ur mom
136 views
Pick the best answer/response
The specific heat of a substance is 0.215 J/g°C. How much energy is required to raise the
4 answers
asked by
Iwannaknow
136 views
In which phase change are hydrogen bonds formed?(1 point) Responses
A. freezing B. boiling C. sublimation D. evaporation
3 answers
asked by
Bad Bunny
128 views
Water flows from a circular pipe of diameter 3.5cm into a rectangular tank 66cm long,35cm wide and 45cm high. If it takes 18
4 answers
asked by
Lavenda
114 views
This is a pan balance. A pan balance is also called a balance scale. A pan balance is used to measure _____.
A. buoyancy B.
3 answers
asked by
maddie
612 views
the density of 400cm³ of palm oil was 0.9gcm before frying, if the density of the oil was 0.6gcm^-³ alter frying, assuming no
3 answers
asked by
CEO
598 views
How do the products and reactants of a chemical change compare?
The mass of the products is greater than the mass of the
4 answers
asked by
T
645 views
Please check my answers on this physical science quiz, thanks
1. in which of the following scenarios are action and reaction
10 answers
asked by
stacy
3,782 views
A closed 2.0-L container holds 3.0 mol of an ideal gas. If 200 J of heat is added, what is the change in internal energy of the
3 answers
asked by
Idali
2,861 views
Which of the following phase changes involves a gas turning into a liquid?
a Condensation b Boiling c Sublimation d Freezing
3 answers
asked anonymously
138 views
What happens to the pressure of a gas when the temperature is increased?
a the kinetic energy decreases so the pressure decreases
3 answers
asked anonymously
66 views
Consider a 1.0 L container of Neon gas at STP. Will the average kinetic energy, average velocity,and frequency of the collisions
3 answers
asked by
Elizabeth
2,868 views
Christina has a glass of water. Michael has a fruit juice drink. Both drinks are at room temperature, and both students add ice
4 answers
asked by
Luis
573 views
Air becomes a conductor when the electric field strength exceeds 3.00 × 106 N/C. Determine the maximum amount of charge that
3 answers
asked by
Lydia
2,029 views
Which of these questions can be answered through science?
What is the best water sport? Why should we value honesty? Why does
4 answers
asked by
Oscar
1,165 views
mercury has density of 13.53 g/mL. what is the mass of 345mL of mercury?
D=13.53g/mL Mass=345mL 13.53/345=0.039217391 i just do
3 answers
asked by
lisa
1,711 views
The density of copper decreases as temperature increases. Which statement accurately describes the changes in a sample of copper
3 answers
asked by
Anonymous
1,012 views
125 g of dry ice (solid CO2) is dropped into a beaker containing 500 g of 66°C water. The dry ice converts directly to gas,
3 answers
asked by
SERA
1,465 views
How much heat is needed to convert 10g ice to 10g water vapor?
4 answers
asked by
Drew
1,496 views
a cylindrical wire of lenght 2.80m and a radius of 1.35A, when the voltage of 0.0320v is applied across the ends of the wire.
2 answers
asked by
namabia
947 views
How many Btu of heat must be added to 1200 lb of copper to raise its temperature from 100°F to 450°F
3 answers
asked by
Justin
678 views
Find the number of decibels for the power of the sound given. Round to the nearest decibel.
A rocket engine, 2.42 cross 10−5
2 answers
asked by
tasha
599 views
If the melting point of a substance is -39C, has the substance melted at 20C?
1 answer
asked by
Miaya
461 views
the half life of the carbon isotope C14 is about 5700 years.
A. about how many years does it take 1000 grams of this substance to
3 answers
asked by
becky
931 views
A sheet of aluminum (Al) foil has a total area of 2.119 ft2 and a mass of 2.714 g. What is the thickness of the foil in
2 answers
asked by
MissSixx
605 views
Which has the higher specific heat capacity: an object that cools quickly or an object of the same mass that cools more slowly?
3 answers
asked by
Tracee
1,049 views
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