Answer:
Higher temperatures means more energy, and a solid phase means the particles are close together. This results in highly energized particles that bump into the particles close to them, who in turn bump into more particles.
Explanation:
waves move faster at higher temperatures and in a solid phase there is more energy and the particles are farther apart there is less energy and the particles are closer together there is less energy and the particles are farther apart there is more energy and the particles are closer together.
The waves move faster at higher temperatures and in a solid phase because there is more energy and the particles are closer together.
What is wave?A wave can be described as a medium which transports energy without causing net particle movement. Elastic deformation, pressure change, electric along with magnetic intensity, electric potential, or temperature can all be examples.
What is energy?The quantitative property that's also transferred to a body or a physical system, recognizable in the work performance as well as in the form of heat and light, is called energy.
What is temperature?Temperature is the measurement of a body's degree of hotness or coolness.
The faster the wave is conveyed, the greater the particle interactions are. In general, sound travels quicker through solids than through liquids, and faster through liquids than through gas. Because warmer particles move at a higher pace, the temperature actually speeds up to sound.
Therefore, the correct answer will be option (d).
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Someone help please!
Answer:
D
Explanation:
How would you improve your experiment?
answer in 3 to 4 sentence
Answer:i will improve my my experiment by:
1.increasing the validity of that experiment
2.Improving of measurwment techniques
3.reduction of the simple bias
4.Blinding of the experiment
Explanation:
These can be achieved by doing these respectively,
1.Through considering the given time frame feo data collection and the experimental treat
2.Done by ensuring vessels are properly clibrated, are clean and ready to use as well as functioning
3.We can avoid this by doing convenience sampling and again ensuring target population arw properly defined.
4.we can avoid this by alerting the group members on the available group assignments and the data collectors.
Find the mass of 11.37 mol of BaO. Round to the nearest whole number.
Answer:
1,354
Explanation:
All living organisms are composed of
I need help on this, i'll give 30 pts for brainliest
Answer:
All living organisms are made up of one or more cells, which are considered the fundamental units of life. Even unicellular organisms are complex! Inside each cell, atoms make up molecules, which make up cell organelles and structures. In multicellular organisms, similar cells form tissues.
Explanation:
Answer:
All living organisms are composed of one or more cell
Explanation:
hope this helps, please mark brainliest
5.Apply six atoms of Element A combined with eight atoms of Element B
to produce sic compound particles. How many atoms of Elements A and
B does each particle contain? Are all of the atoms used to form
compounds?
Answer:24
Explanation:axtizent
Describe the natural processes which remove carbon dioxide from the atmosphere
Answer:
Explanation:
The process is photosynthesis as plants need carbon dioxide and humans need oxygen so plants release oxygen which humans breath/take in and plant/trees take in carbon dioxide which humans release.
The natural process which removes carbon dioxide from the atmosphere is photosynthesis.
What is photosynthesis?
It is defined as a process by which plants and other photosynthetic organisms convert the light energy in to chemical energy through the process of cellular respiration.
Some of the energy which is converted is stored in molecules of carbohydrates like sugar and starches which are made up of from carbon dioxide and water . Photosynthetic organisms which can perform photosynthesis are algae and cyanobacteria. Photosynthesis is largely responsible for producing and maintaining the content of oxygen in earth's atmosphere.
The process begins with proteins absorbing light energy which are called reaction centers and contain a green pigment which is called chlorophyll . In plants ,these pigments are present inside organelles called chloroplasts while in bacteria they are present in plasma membrane.
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9.
Which element is most likely to conduct heat and electricity?
A. Na B. Ca C.P D. Ne
Answer:
A. Na
Explanation:
Sodium is a good conductor of electricity and heat because it has only one electron in its valence shell.
i hope this helps :)
Answer:
C.) P
Explanation:
I believe this is correct, lmk if it's not.
What characterizes a system at equilibrium?
O A. The system is changing at an even rate.
B. The system has stopped changing.
O C. The system cannot undergo change.
D. There is no net change to the system.
Answer:
D. There is no net change to the system
Explanation:
Equilibrium means "equal". In a chemical system, changes occur in substances called the reactants to produce another substance called the products. These changes from reactants to products and vice versa occur at an uneven rate until EQUILIBRIUM is reached.
In other words, equilibrium is attained when the reactants and products are formed at an equal or constant rate i.e. There is no net change to the system. For example, in the chemical system below:
A + B ⇌ C + D
This system is said to be at "EQUILIBRIUM" if the rate of reaction of the reactants (A and B) is equal to that of the products (C and D). That is, there is no net change (difference) in the reaction rate.
What happens when chromium nitrate is added to distilled water
Answer:
It does not react with water, but reacts with most acids
Explanation:
Answer:
It doesn't react with water, but reacts with most acids
_______ dm^3 = 4.0 L
Answer:
[tex]4dm^{3}[/tex]
Explanation:
1dm^3 is equal to 1L.
what kind of change is heating of mercuric oxide?
Answer:
Chemical change.
Explanation:
When it is heated it decomposes into mercury and oxygen gas. The mercury oxide reactant becomes the silver color of mercury. Hence, a color change can be noticed throughout the reaction.
Answer:
chemical change
Explanation:
Please help, thank you! Match each organism with the correct description.
1. algae
2. rabbit
3. tiger
4. human
5. bacteria
<><><><><><><><><><><><><><><><>
A. producer
B. omnivore
C. decomposer
D. primary consumer
E. carnivore
Answer:
1. A
2. D
3. E
4. B
5. C
Explanation:
1. Plants are known as producers since they produce energy for themselves through photosynthesis.
2. The rabbit is a primary consumer since it’s herbivore and only feeds on producers for energy.
3. The tiger is a carnivore, and preys on other consumers for energy.
4. A human is an omnivore since it can gain energy from both producers and consumers.
5. Bacteria are know as decomposers since such category of organisms break down other organisms to gain energy.
Match the landform to its description.
caldera
made of pieces of lava
volcanic soil
material fills in valleys
cinder cone
bowl-shaped depression
shield volcano
wide summit, gentle slope
lava plateau
rich in nutrients
Answer:
cinder cone: made of pieces of lava
shield volcano: wide summit, gentle slope
volcanic soil: rich in nutrients
caldera: bowl shaped depression
lava plateau: material fills in valleys
Explanation:
it’s right
Answer:
Caldera, Bowl-Shaped depression
Shield volcano, Wide summit, Gentle slope
Lava plateau, Material fills in valleys
Volcanic soil, Rich nutrients
Cinder Cone, Made of pieces of lava
Explanation:
Got it right on edge
complete combustion of wax take place in____ zone of a candle flame
Answer:
Non-luminous
Explanation:
Complete combustion of wax take place in non-luminous zone of a candle flame
A confined quantity of a gas has a pressure of 2.50 atm and a temperature of -22⁰C. What is the new pressure if the temperature is increased to 22⁰C?
a. 2.1 atm
b. 2.5 atm
c. 2.94 atm
d. 3.41 atm
Answer:
C Ian sure2.94atm
Explanation:
I am low student
What determines whether a material melts or burns when heated?
The combustion temperature of a material determines whether a material melts or burns
Materials whose combustion temperatures are lower than their melting point gets burnt instead of melting, because before the temperature of the material is raised up to the melting point temperature, the materials gets combusted at a lower temperature known as the combustion temperature
Melting is physical change and is controlled by the physical property ( melting point ) while burning is chemical change which is irreversible.
Hence we can conclude that The combustion temperature of a material determines whether a material melts or burns
You have two samples, one is calcite and the other is halite.
How would you differentiate between without using any equipment?
A- Colour
B- Specific gravity
C- Hardness
D- Cleavage
Answer:
c
Explanation:
You can differentiate between calcite and halite without using any measuring equipment based on: C. Hardness.
What is a mineral?A mineral can be defined as a form of naturally occurring, inorganic solid substance that is typically characterized by a crystal structure.
The properties of a mineral.In Science, the properties that can be used to identify and differentiate two or more minerals include the following:
LusterStreakHardnessIn conclusion, hardness is a mineral property that can be used to differentiate between calcite and halite without using any measuring equipment.
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please I don’t get this at all someone help
The melting of a glacier is an example of the interactions among which of Earth's spheres? geosphere, troposphere, cryosphere atmosphere, geosphere, cryosphere atmosphere, asthenosphere, biosphere hydrosphere, asthenosphere, atmosphere
Answer:
The melting of a glacier is an example of interaction among;
Hydrosphere, asthenosphere, atmosphere
Explanation:
The melting of a glacier is an example of the interactions among the Earth's cryosphere and hydrosphere
The cryosphere is described as the portions on Earth where water appears in solid (frozen) form such as glaciers, frozen grounds, snow covered land, sea ice, ice sheets, river ice, ice caps, etc.
The hydrosphere is all the forms water on a planet including, ice, liquid water and water vapor, therefore, the cryosphere is a part of the hydrosphere
The geosphere comprises the Earth's interior, including the asthenosphere, which is fluid and hot and therefore spread heat through both conduction and convection to the hydrosphere that raises the ocean temperatures and lead to glacier melting
The green house effect in the atmosphere results in global warming that raises the average temperature of the Earth which in turn raises the temperature of the oceans and the troposphere, resulting in melting of a glacier
Therefore, the melting of a glacier is an example of interaction among the hydrosphere, asthenosphere, and, atmosphere
Lead from a car battery has been detected in a lake far from where the battery was discarded. How did the lead get there?
Answer:
The way that lead got to the river is by transportation through soil. When the battery got buried it was still leaking and it moved through the pores of soil and was able to travel very far away to the lake.
Explanation:
Where on the periodic table are metalloid elements most likely found?
A Along the stairstep line
B. Among the lanthanides and actinides
C. At the bottom
D. On the left side
D on the left side because if you look st periodic table it shows were most of the medallions are founf
Answer:
its the right side ik its not an option on here but its the right side on some
Explanation:
trust me
6. What does a numerical subscript following a set of parentheses in a chemical
formula mean?
A numerical subscript following a set of parentheses represents the number of the group or poly-atomic ion in parentheses are present in a chemical formula.
As an example, calcium hydroxide is [tex]\bold { Ca(OH)_2 }[/tex] . The subscript (2) indicates that calcium hydroxide contains two hydroxide ions.
Therefore, A numerical subscript following a set of parentheses represents the number of the group or poly-atomic ion in parentheses are present in a chemical formula.
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How does understanding how to affect the rate of reactions add value to your life? Why is this important for you to understand?
Answer:
because if you do not react to anything you will be a misarable old lady with 5 cats sitting on you .
Explanation: bascially you cant live without reacations to life
helpppp PLSSSSSSSSSSS
Answer:
I think 213g
Explanation:
Im not that smart in stuff based in this subject but I think its right but If anyone knows for sure fact check me plz....
HELLPPPPP i need to know ASAPPPPPPPP
Which of the following changes are classified as physical changes?
-dissolving sugar in hot tea
-petrifying wood
-cutting an apple into smaller pieces
-carving wood
-Oburning wood
Does a rumor spread faster in a gym where all of
the students can move around freely, or in a classroom where students are
confined to desks? Develop an analogy for the difference in conductivity
between metals and ionic solids.
A rumor spread faster in a classroom where students are confined to desks than in a gym where all of the students can move around freely.
The same applies to conductivity between metals and ionic solids because metals have more close particles.
What is conductivity?Conductivity is the process by which a material is able to transfer electric charge or heat from one point to another without the actual movement of the particles of the substance.
The conductivity of substances varies from one substance to another.
The conductivity of solids is greater than the conductivity of that of other substances.
The conductivity of substances increases with a decrease in the distance between the particles of the substance.
Thus solids that have the closest particles have the highest conductivity.
Liquids have medium conductivity.
Gases have the least conductivity because they have the most spaced-out particles.
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When water evaporates from plants what is it called
Answer:
photosynthesis
Explanation:
I think
Question 8
The temperature of a gas is 345K. What is this in degrees Celsius?
0 345°C
O 1.26°C
O 72°C
O 618°C
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What role does the vulture playing this food web
Answer:
scavenger- eats dead carcasses
Explanation: