What happens at the particle level during a chemical reaction?
Answers
Answer:
Reactants contact each other, bonds between atoms in the reactants are broken, and atoms rearrange and form new bonds to make the products.RT
Explanation:
Related Questions
Match the term to its definition (Lessons 6.03, 6.04 and 6.05)
(i can't fit this all without confusion)
Answers
Answer: the first paragraph is rain forest biome and the 2nd one is arctic tundra biome and finally the last paragraph is ocean or marine biome
Explanation:
rain forests have warm temperatures and include alot of animals and plants , artctic tundra biome includes cold temperatures ice stuff and all that and ocean or marine biome is pretty much just the ocean with seals , whales and marine life yk.
15 points
1. In a population of sheep, some are brown and some are white."
A. adaptation
B. evolution
C. variation
D. reproduction
In a population
of sheep, some
are brown and
some are white.
A new species
of plant
develops and
another species
of plant dies out
An insect avoids
predators by
looking like a
leaf
Answers
In a population of sheep, some are brown and some are white." This is variation. Therefore, the correct option is option C.
What is population?
In ecology, a population is a collection of creatures belonging to the same species that live in the same region and are able to breed with one another. An region with a sexual population is one in which interbreeding between any two individuals therein is both conceivable and more likely than cross-breeding with individuals from other places.
In ecology, the Lincoln index can be used to determine the total population of a region based on the number of individuals observed and estimate the population of a certain species in that area. In a population of sheep, some are brown and some are white." This is variation.
Therefore, the correct option is option C.
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Write a paragraph about "Why the constellations appear to move across the sky".
(Thanks if you help!! Means a lot! :D)
Answers
Answer:
The constellations appear to move across the sky because of Earth's rotation. Earth moves from west to east, so the stars look like they appear from the east. Stars move across the sky during the day, but because of the Sun, we can't see them.
Explanation:
What is causing the increasing amount of CO2 in the atmosphere? What could be done about it?
Answers
The eye symbol represents Which hazards
Answers
Answer:
This one should be REALLY easy for everybody to know but the answer is anything that can pose a hazard to your eyes
Explanation:
Answer:cyclone
Explanation:
Write a summary of what you have learned about how incoming forces and outgoing forces are related (newton's cradle)
Answers
The relationship between incoming and outgoing forces in Newton's Cradle can be understood through the following concepts:
Conservation of Momentum: In a closed system with no external forces, the total momentum before a collision is equal to the total momentum after the collision. In Newton's Cradle, the momentum of the incoming ball is transferred through the stationary balls and eventually to the last ball, which swings outward with a momentum equal to the initial ball's momentum.
Conservation of Energy: Similarly, the total mechanical energy (kinetic and potential) in a closed system remains constant. In the context of Newton's Cradle, the kinetic energy of the incoming ball is transferred through the stationary balls, and eventually to the last ball, which swings outward with kinetic energy equal to that of the incoming ball. Potential energy is also involved as the balls swing and momentarily come to rest at their highest points.
Elastic Collisions: Newton's Cradle demonstrates nearly perfect elastic collisions, wherein both momentum and kinetic energy are conserved. In reality, some energy is lost to heat and sound, making the collisions slightly inelastic. However, the demonstration is still a useful approximation for understanding the transfer of forces.
Force Transfer: The incoming force exerted by the first ball is transmitted through the intervening balls to the last ball without causing any significant movement of the middle balls. This occurs because the balls are very close together and the time taken for the force to be transferred is minimal, allowing the middle balls to remain nearly stationary.
In summary, Newton's Cradle demonstrates the relationship between incoming and outgoing forces through the principles of conservation of momentum and energy, elastic collisions, and force transfer. The device provides a clear visual representation of these fundamental concepts in physics.
Put the levels of organization in order with 1 being the largest and most complex and 7 being the smallest and most specific.
Question 3 options:
ORDER
CLASS
KINGDOM
SPECIES
PHYLUM
GENUS
FAMILY
DOMAIN
Answers
How many molecules of hydrogen (H2) and Oxygen (O2) are needed to make
eight water molecules with no leftovers?
Answers
Answer: 8 oxygen, 16 hydrogen
Explanation:
One oxygen mixed with two hydrogen makes water, which gives us the simple relation of 1:2 multiply by the variable at hand, in this case 8, which gives us 8 oxygen, 16 hydrogen
Sketch a simple model that shows why the constellations change over the course of a year.
Answers
Answer:
for only five points we will not make sketch n
Can yall help w these. Please no links/spam
Answers
Answer:
sun
chloroplasts absorb
sugar light
plants phytoplanktin
Explanation:
Answer:
1. Sun
2. Chloroplasts, absorb
3. sugar, light
4. plants, animals
Explanation:
Hope that helps
I give brainliest if your answer works<3
Answers
I need help with this science question that I didn't do yesterday and is now missing can you help? Convection (____________ of the liquid metal) in the Outer Core creates the Earth’s magnetic field.Thanks if you do help you get 10 points.I can't find regular science that's why it says chemistry.
Answers
The density of gold is 19.3 g/cm3. What is the volume of a 13 g gold nugget? (Density: D = )
.25 cm3
.67 cm3
1.48 cm3
2.50 cm3
Explain how you found your answer
Answers
V = 13/19.3
V = 0.67
An object is floating in the water, as shown in the picture below.
Describe the movement of the floating object as a wave passes by, and explain why the object is not carried forward with each wave.
Your answer should include at least two complete sentences.
Answers
Answer:
Balance Weight
Explanation:
The object has vertical weight with a floating device in it. When the waves hit the object in the water, they will go upward and then downward but stay in the original spot. This happens because the object uses the electromagnetic energy from the waves to not move with it.
PLSSSSSSSS HELP MEEEEEEEEEEEEEE
Answers
Answer: The answer to your question is B,C,D.
Answer: i think A, B, D?
Explanation:
When the speed of the bottle is 2 m/s, the KE is kg m2/s2. When the speed of the bottle is 3 m/s, the KE is kg m2/s2. When the speed of the bottle is 4 m/s, the KE is kg m2/s2. When the speed of the bottle is 5 m/s, the KE is kg m2/s2. When the speed of the bottle is 6 m/s, the KE is kg m2/s2.
instructions
In this part of the experiment, you will be changing the speed of the bottle by dropping it from different heights. You will use the same mass, 0.250 kg, for each trial, so record this mass in Table B for each velocity. Then, calculate the expected kinetic energy (KE) at each velocity. Use the formula KE = mv2,
where m is the mass and v is the speed. Record your calculations in Table B of your Student Guide.
Answers
Answer:
Based on the given instructions, you need to calculate the expected kinetic energy (KE) at each velocity using the formula KE = mv^2, where m is the mass and v is the speed. The mass is given as 0.250 kg.
Table B: Calculation of Kinetic Energy (KE)
Table B: Calculation of Kinetic Energy (KE)
Speed (m/s)Mass (kg)KE (kg m^2/s^2)20.2500.50030.2500.75040.2501.00050.2501.25060.2501.500
To calculate the kinetic energy at each velocity, multiply the mass (0.250 kg) by the square of the velocity.
For example, when the speed of the bottle is 2 m/s: KE = (0.250 kg) * (2 m/s)^2 = 0.250 kg * 4 m^2/s^2 = 1.000 kg m^2/s^2
Perform similar calculations for the other velocities and record the results in Table B.
Answer:
Explanation:mass of the bottle in each case is M = 0.250 kg
now as per given speeds we can use the formula of kinetic energy to find it
1) when speed is 2 m/s
kinetic energy is given as
2) when speed is 3 m/s
kinetic energy is given as
3) when speed is 4 m/s
kinetic energy is given as
4) when speed is 5 m/s
kinetic energy is given as
5) when speed is 6 m/s
kinetic energy is given as
How is interpreting a skeleton in an owl pellet similar to and
different from interpreting a fossil of a skeleton?
Answers
Answer:
Explanation: interpreting a skelton means stopping what its doing. While interpreting a fossil causes it to be taken out of its decaying form
EXPLANATION:
1st- BONES
2nd: PREY
3rd: ENVIRONMENT
Ps. Hope this helped!
:)
help me with this I only have one more
1156 g/L
= ________ kg/mL
Answers
The Answer is 0.001156.
1156 g/L = 1.156 kg/L
Since 1 L is equal to 1000 mL, we can convert kg/L to kg/mL by dividing by 1000:
1.156 kg/L = 1.156/1000 kg/mL
1.156/1000 kg/mL = 0.001156 kg/mL
Therefore, 1156 g/L is equal to 0.001156 kg/mL.
Match the terms with their definitions.
__Wavelength 1. Top of a wave.
__Trough 2. Bottom of a wave.
__Wave period 3. Distance between the crest and the trough.
__Crest 4. Distance extending from one wave crest to another.
__Wave height 5. Time it takes for one wave to pass a given point.
Answers
Answer:
Wave length: Distance between the crest and the trough.
Through: Top of a wave
Crest: Bottom of a wave
Wave period: Time it takes for one wave to pass a given point
Wave height:Distance between the crest and the trough.
Explanation:
Mark me brainliest
Sure, here are definitions for each of the terms you requested:
1. Wavelength: The distance between two consecutive crests or troughs of a wave. It is usually denoted by the symbol lambda (λ) and is measured in meters (m) or other units of length.
2. Through: A point on a wave that is at the same level as the rest position, or the line that represents the undisturbed state of the medium through which the wave is traveling. At the troughs of a wave, the displacement is at a minimum, while at the crests, the displacement is at a maximum.
3. Crest: The highest point of a wave, located at the top of the wave's oscillation. It is the point on the wave that has the maximum positive displacement from the rest position.
4. Wave height: The vertical distance between the crest and the trough of a wave. It is a measure of the amplitude of the wave, or the amount of energy that the wave is carrying. Wave height is typically measured in meters (m).
Answer:
1.) Top of a wave = Crest
2.) Bottom of a wave = Trough
3.) Distance between the crest and the trough = Wavelength
4.) Distance extending from one wave crest to another = Wave height
5.) Time it takes for one wave to pass a given point = Wave period
Hope that helped :)
Imagine that the moon’s orbit wasn’t elliptical and it that it did not orbit the earth at a 5 degree angle. How would this change the predictability of an eclipse happening every month?
Answers
Answer:
Without the tilt, lunar eclipse will happen every month.
Lunar eclipse will happen each month, because of this.
Which object has the most kinetic energy?
A. a train that is stopped
B. a car moving at a slow speed
C. a train moving at a slow speed
D. a car that is stopped at the top of a hill
Answers
Explanation: kinetic energy means that the object is moving, automatically eliminating A and D since they are both stopped. The formula for kinetic energy is KE=1/2m(v^2) (m= mass and v= velocity). Since the train has more mass than the car, the train has more kinetic energy.
PLS HELP IT IS DUE TODAY IN 30 MINS PLS ANSWER 14 POINTS
Name the various types of energies on the spectrum
Answers
Answer:
gamma rays, X-rays, ultraviolet radiation, visible light, infrared radiation, and radio waves.
Explanation:
hope that helps! (:
Please draw a diagram of how a magnetic field works around a magnet. Please label.
Answers
Mark me Brainly
plz answer fast in 3 sentences thx (XOXO) ;) will give brianly
Why is the use of the inquiry process (or scientific method) a practical way to approach science?
1.
2.
3.
Why are scientific theories modified, but seldom discarded?
1.
2.
3.
How has science and technology influenced everyday life?
1.
2.
3.
Answers
Answer:
Explanation:
Why is the use of the inquiry process (or scientific method) a practical way to approach science?
1. The inquiry process is a practical way to approach science because the inquiry process begins by asking questions and moving on from there.
2. In science it is important to investigate phenomena or certain subjects by posing questions that you would like to answer through the scientific method.
3. Therefore, the inquiry method is connected because to inquire on a subject requires raising questions which is an essential step in scientific discovery.
Why are scientific theories modified, but seldom discarded?
1. If a theory cannot explain new evidence or observations then the theory is revised or even thrown
out, but if the theory still explains a wide range of observations and evidence then it is revised
rather than discarded.
2. it will still hold some value as above as you learn more you tweak your hypothesis to fit the ever expanding amount of info and data you collect and assimilate
3. The only way they ever go away is if people stop working on them.
How has science and technology influenced everyday life?
1. computers
2. health care
3. bikes
None of these would exist today without science or technology
Answer:
Explanation:
Why is the use of the inquiry process (or scientific method) a practical way to approach science?1. The inquiry process is a practical way to approach science because the inquiry process begins by asking questions and moving on from there. 2. In science it is important to investigate phenomena or certain subjects by posing questions that you would like to answer through the scientific method.3. Therefore, the inquiry method is connected because to inquire on a subject requires raising questions which is an essential step in scientific discovery.Why are scientific theories modified, but seldom discarded?1. If a theory cannot explain new evidence or observations then the theory is revised or even thrownout, but if the theory still explains a wide range of observations and evidence then it is revisedrather than discarded.2. it will still hold some value as above as you learn more you tweak your hypothesis to fit the ever expanding amount of info and data you collect and assimilate3. The only way they ever go away is if people stop working on them.How has science and technology influenced everyday life?1. computers2. health care3. bikesNone of these would exist today without science or technology
I need help.... How does the kinetic energy of molecules explain both Boyle’s and Charles’ Laws?
Answers
Answer:
Kinetic Molecular Theory states that gas particles are in constant motion and exhibit perfectly elastic collisions. Kinetic Molecular Theory can be used to explain both Charles' and Boyle's Laws. The average kinetic energy of a collection of gas particles is directly proportional to absolute temperature only. Hope this helps!!
Explanation:
Answer:
Kinetic Molecular Theory states that gas particles are in constant motion and exhibit perfectly elastic collisions.
Explanation:
Kinetic Molecular Theory states that gas particles are in constant motion and exhibit perfectly elastic collisions. Kinetic Molecular Theory can be used to explain both Charles' and Boyle's Laws. The average kinetic energy of a collection of gas particles is directly proportional to absolute temperature only.
PLS HELP I GIVE BRAINLYEST
17 divided by .5 26 divided by 10 Rock Density Range
(g/mL) Minerals React
with Acid?
granite 2.5–2.8 no
dolomite 2.8–2.9 yes
peridotite 3.1–3.4 no
limestone 2.3–2.7 yes
iron ore 4.5–5.3 no
it has to be a number in these numbers you can just list the rock if you know what it is
Answers
Explanation:
I don't know the answers
What happened when the two substances were combined together in the cup? (highlight one)
The substances changed into different substances.
The substances did not change into different substances.
I am not sure if the substances changed into different substances.
Explain your answer using evidence from the Sim.
Answers
Based on evidence from Sim, when two substances were combined they did not change into different substances.
Here the word Sim is used to describe the process simulation. Simulation is defined as when two substances combined they do not change into different substances.
They just combine together and form a new substance.
Let us understand it as the first substance is liquid and the second substance is solid then when we combine both of them they form a new mixture but do not change their property.
The mixture is still liquid but it also has some properties of solid substance.
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The substances did not change into different substances.
Based on the information provided in the question, there is no evidence or indication of any chemical reaction or change in the substances when they were combined in the cup. The question does not mention any observations or effects that would suggest a chemical transformation.
If there were a chemical reaction or change, it would typically be accompanied by observable signs such as color change, gas production, temperature change, or formation of a precipitate. However, since the question does not provide any evidence or observations of such changes, we can conclude that the substances did not undergo any chemical transformation when combined.
It is important to note that without additional information or details about the substances and their behavior, it is not possible to make definitive conclusions. However, based on the given information, the most reasonable conclusion is that the substances remained unchanged when combined in the cup.
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A sample of liquid chocolate in a bowl is cooled in the refrigerator at a constant rate. Based on the graph, what is the melting freezing point of the chocolate?
28.5°C
23.5°C
25.5°C
Not enough information is given.
Answers
23.5°C would be the melting freezing point.
write a short story using the characteristics of the subatomic particles and their locations in the atom. For example, you need a positive character, a neutral character, and a negative character. You need two different locations. One to be the center location of the story and the other to be outside the center. At a minimum you should have at least 1 paragraph with about 5 sentences. Make sure that you use complete sentences.
Make sure it is school appropriate!!
Answers
can praseodymium conduct electricity
Answers
Answer:
praseodymium can conduct electricity as it is one of it's conductivities