Questions LLC
Login
or
Sign Up
Ask a New Question
Physical Science
Page 4
Questions (1,499)
What is the mass of water that results from combining 2.0 g of hydrogen with 16.0 g of oxygen?
14.0 g (I'm thinking this.) 16.0 g
15 answers
asked by
Anonymous
3,249 views
While on vacation, Kevin went for a swim in a nearby lake. Swimming against the current, it took him 8 minutes to swim 200
5 answers
asked by
jason
1,426 views
Why did a portion of the tabletop get cold when Natasha placed her cold drink on the table? (1 point)
The table’s molecules
4 answers
asked by
Connie
2,402 views
Which scenario correctly illustrates heat?(1 point)
Responses cold person gets even colder when they sit in a sauna with a
3 answers
asked by
HAELP
549 views
jasmine adds vary amounts of ice to samples of water. which conclusion can you draw from her experiment
11 answers
asked anonymously
339 views
A student drops substance A into substance B. What will happen?(1 point)
Responses A. Both substances will reach 50 degrees
4 answers
asked anonymously
95 views
An iron block with a temperature of 250 degrees Celcius is placed into a container of water with a temperature of 50 degrees
2 answers
asked by
Memes Goofy ahh ohio
93 views
What is the measure of the amount of matter in an object?
31 answers
asked anonymously
116 views
Consider any ocean wave. What is the relationship between an ocean wave and the energy of that wave?
A. Wave energy increases
4 answers
asked by
Gelo
116 views
Which of the following phrases can describe an endothermic process?
A. A system gives off energy as it cools down. B. Energy is
4 answers
asked by
Morgan
1,682 views
What is the irradiance of the sun dependent on?(1 point)
Responses the wavelength of the radiant energy it emits the number of
2 answers
asked by
wiggle
65 views
Use more dense than, less dense than, or the same density as to complete the following statement about density
Styrofoam is
2 answers
asked anonymously
53 views
A student wants to model the physical weathering of rock. Which activity could the student perform?(1 point)
Responses Place
2 answers
asked anonymously
173 views
Joshua fills one large container with cold water Then he fills a small container with hot water and red food coloring, and seals
5 answers
asked anonymously
151 views
physical science a, chemical reactions unit test 1-18 answers please connections academy 10th grade
1 answer
asked by
alex
199 views
a cup of coffee, a 10 gallon aquarium, and a bottle of ginger ale were on the same table. on which container was there the
4 answers
asked by
Samantha
459 views
which of the following best describes the movement of an object at rest if no outside forces act on it?
help this is science 8 B
33 answers
asked by
Ms. Impala
6,490 views
Air pressure doesn't crush everything underneath it because
A. air pressure is hypothetical and not a real force. B. air pressure
13 answers
asked by
Prisila
998 views
Jasmine adds varying amounts of ice to samples of water. Which conclusion can she draw from her experiment?(1 point)
10 answers
asked by
Naruko Uzumaki
88 views
which has greater volume?
a) 1.0 kg of feathers or 1.0 kg of lead b) 100 g of gold or 100 g of water c) 1.0 L of copper or 1.0 L
4 answers
asked by
Jack
2,612 views
Jasmine adds varying amounts of ice to samples of water. Which conclusion can she draw from her experiment?(1 point)
Responses As
7 answers
asked by
Noobz
74 views
Which process is an example of a chemical change?
A metal railing rusting in damp weather alcohol evaporating from a cotton swab
5 answers
asked by
lydia
3,653 views
What is the increase in temperature necessary for a hydrogen gas, initially at 0°C, to increase its volume by 5% at constant
4 answers
asked by
kris
1,677 views
A student drops a rock in a pond and notices that her reflection in the water becomes less clear. Which statement best explains
4 answers
asked anonymously
471 views
Turning on the switch in a flashlight starts a chemical reaction in the batteries. The chemical energy is turned to light energy
16 answers
asked by
Anonymous
5,289 views
How does a phase change from solid to liquid occur in a substance?(1 point)
A. Heat energy is released from the substance,
5 answers
asked by
Chicken Nugget
4,102 views
What is the amount of energy of calories to heat 8.5g of water from 15 C to 36 C?
I think you take 8.5g x 21 degree C, but then I
5 answers
asked by
Connie
8,932 views
When ice at 0C melts to liquid water at 0C, it absorbs 0.334 kj of heat per gram. Suppose the heat needed to melt 31.5 g of ice
4 answers
asked by
Capacino
3,450 views
Why does the density of gas in a hot air balloon decrease as the gas is heated?
A. The mass of gas decreases as temperature
5 answers
asked by
erika
1,994 views
The atmospheric pressure is 764.7 torr. A gas sample is placed in a flask attached to an open-end mercury manometer. The height
6 answers
asked by
Anonymous
3,520 views
A scientist measures the boiling point of saltwater in a lab at an altitude of 800 feet above sea level. A second scientist
5 answers
asked by
HELP ME PLEASE
1,254 views
Which of the following best applies to the pressure of a gas?
A. It is the force per unit volume. B. It decreases with
5 answers
asked by
Cortney
2,408 views
The temperature of a 12.58g sample of calcium carbonate increases from 23.6degrees celcius to 38.2 degrees celcius. If the heat
5 answers
asked by
Tommy
3,860 views
A tsunami, a great ocean wave, travels a distance of 7.2x10^6m in 2.88x10^4 what is the average speed of tsunami?
5 answers
asked by
Brad
1,609 views
Which of the following elements would have the largest third ionization energy: K, Ca, Ga?
What is third? Thanks in advance.
7 answers
asked by
sh
2,133 views
When the solid and liquid phases are in equilibrium, which phase, solid or liquid, contains the most amount of energy (kenetic
4 answers
asked by
Michelle
2,550 views
Which of the following contains more thermal energy?
A. Water at 100°C B. Ice at 0°C C. Water at 0°C D. Steam at 100°C I
5 answers
asked by
Morgan
987 views
What the force of attraction between earth and objects on earth surface pesanteur..I need it English
4 answers
asked by
jaseanturner1017
1,396 views
As a purity check for industrial diamonds, a 22 - carat diamond (1 carat = 0.2g) is heated to 63 degrees C and immersed in 26g
4 answers
asked by
Jon
1,345 views
Spontaneity of Solid Phase Change
Two crystalline phases of white phosphorus are known. Both contain P4 molecules, but the
5 answers
asked by
N
1,008 views
Forces that Change Motion Quick Check - Physical Science A
1-Which of the following best describes the sum of all forces acting
4 answers
asked by
korinthia
695 views
What is Physical Change?
D. A change that does not change the chemical identity of a substance A piece of paper is torn into
4 answers
asked by
child 17
690 views
A copper kettle contains water at 24.2 °C. When the water is heated to 87.3 °C, the volume of the kettle expands by 7.34 x
4 answers
asked by
RM
2,196 views
a rocket moves through outer space at 11,000 m/s at this rate how much time would be required to travel the distance from earth
4 answers
asked by
cindy
2,264 views
A hypothetical metal has a simple cubic crystal structure. If its atomic weight is 70.6
g/mole and the atomic radius is 0.128 nm,
3 answers
asked by
redone
792 views
Cobalt-60 is a strong gamma emitter that has a half-life of 5.26 yr. The cobalt-60 in a radiotherapy unit must be replaced when
4 answers
asked by
hannah
3,251 views
The density of diamond is 3.51 g/cm3 and the density of lead is 11.3 g/cm3. If equal masses of diamond and lead are transferred
4 answers
asked by
Netta
2,925 views
Pressurized carbon dioxide inflators can be used to inflate a bicycle tire in the event of a flat. These inflators use metal
4 answers
asked by
Anna
1,796 views
The heat of fusion of ice is 6.00 kJ/mol. Find the number of photons of wavelength = 6.42 x 10e-6 m that must be absorbed to
3 answers
asked by
mw
1,669 views
Which statement correctly describes the relationship between thermal energy and particle movement?
As thermal energy increases,
4 answers
asked by
Sadboigirl
1,191 views
Pages
1
2
3
4
5
6
7
8
9
10
Parent Categories (9)
Academic Subjects
Applied Science
Education
Science
Science and Education
Science and Mathematics
Science and Technology
Science Education
Science/Technology