Which option is a measure of the average kinetic energy of the particles in a substance?
plz help
Answers
Answer:
temperature is use to measure
The temperature can measure the average kinetic energy of the particles in a substance. Therefore, option (B) is correct.
What is average kinetic energy?The average kinetic energy of a molecule of a gas is, K.E.= (3/2) kT where 'T' is the absolute temperature of the gas and 'k' is the Boltzmann constant and
All molecules of a gas are identical in mass and size and this differs from other gases. The actual volume of the molecules of a gas is negligible compared to the total volume occupied by gas.
The force of attraction between molecules of a gas is negligible and they are moving in different directions with different velocities. Since the molecules are moving at different velocities so they possess different kinetic energies.
The average kinetic energy of molecules is directly proportional to the absolute temperature of the gas. When the temperature of the gas is increased, the molecules start moving faster.
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Related Questions
The starting position of this object is m. The object is traveling at a velocity of m/s.
Answers
Answer:
The starting position of this object is 3 m
The object is traveling at a velocity of 3 m/s
Explanation:
The object's final position after 5 seconds, starting from an initial position of m with a velocity of m/s and constant acceleration of 2 [tex]m/s^2[/tex], is given by s = 5m + 50[tex]s^2[/tex] m.
To find the object's final position after 5 seconds, we can use the following equation of motion:
[tex]\[ s = ut + \frac{1}{2}at^2 \][/tex]
where:
- [tex]\( s \)[/tex] is the final position,
- [tex]\( u \)[/tex] is the initial velocity,
- [tex]\( t \)[/tex] is the time, and
- [tex]\( a \)[/tex] is the acceleration.
Given:
Initial position [tex](\( s_0 \))[/tex] = m
Initial velocity [tex](\( u \))[/tex] = m/s
Acceleration [tex](\( a \)) = 2 m/s\(^2\)[/tex]
Time [tex](\( t \))[/tex] = 5 s
Substituting these values into the equation, we have:
[tex]\[ s = (m/s) \times (5s) + \frac{1}{2} (2 \, \text{m/s}^2) \times (5s)^2 \][/tex]
Simplifying further:
[tex]\[ s = 5m + \frac{1}{2} \times 2 \, \text{m/s}^2 \times 25s^2 \][/tex]
[tex]\[ s = 5m + 2 \, \text{m/s}^2 \times 25s^2 \][/tex]
[tex]\[ s = 5m + 50s^2 \, \text{m} \][/tex]
Therefore, the object's final position after 5 seconds is [tex]\( s = 5m + 50s^2 \, \text{m}\)[/tex].
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The appropriate question is; the correct question is:
What will be the object's final position after 5 seconds if it starts at an initial position of m and is traveling at a velocity of m/s, subject to a constant acceleration of 2 [tex]m/s^2[/tex], without any significant external forces or constraints affecting its motion?
Which Plate Borders the Philippine Plate?
African
Antarctic
Eurasian
North American
7
7
FARNE
PUPPE
PLATE
CARICANTE
PACIFIC
PLATE
COCOS
PURTE
SOUTH AMER
PLATE
AUSTRALIAN
PLATE
NAZCA
PUTE
SCOTA PLATE
AN
Which plate borders the Philippine Plate?
African
Antarctic
Eurasian
North American
Mark this and return
O
DE
UL
Answers
Answer:
Eurasian
Explanation:
The Pacific plate is subducting beneath the Philippine Sea plate to the east while the west/northwestern part of the Philippine Sea plate is subducting beneath the continental Eurasian plate.
What is true of a reaction that has reached equilibrium?
The reaction rate is zero.
The reaction rates of the forward and reverse reactions are equal.
The rate of the forward reaction is greater than the rate of the reverse reaction.
The rate of the forward reaction is less than the rate of the reverse reaction.
Answers
The second option, B.
Equilibrium is when two things are equal.
[PICTURE ATTACHED] HEELPP
Answers
The pile-up of sand and silt at the site where a river flows into the ocean forms a
Answers
Answer:
As a river flows, it picks up sediment from the river bed, eroding banks, and debris on the water. The river mouth is where much of this gravel, sand, silt, and clay—called alluvium—is deposited. When large amounts of alluvium are deposited at the mouth of a river, a delta is formed.
Explanation:
Answer:
As a river flows, it picks up sediment from the river bed, eroding banks, and debris on the water.
Explanation:
Mars is known as the ____ planet.
A) Blue
B) Gaseous
C) Red
D) Sandy
Answers
Answer:
Of course it's C
Red planet
Explanation:
It is because the soil on Mars is rich of Fe (Iron).
That makes the soil look red.
Even on our planet we have such this places like hormuz island in Iran.
please answer all you can you don't need to answer 6
Answers
step by step
Usable forms of nitrogen can intentionally be increased in the soil by(1 point)
lightning.
planting more trees.
allowing organic matter to decompose.
planting fewer beans.
Answers
Usable forms of nitrogen can intentionally be increased in the soil by allowing organic matter to decompose. Therefore, option C is correct.
What is organic matter ?Organic matter is defined as anything that contains carbon compounds formed by living organisms. It includes lawn clippings, leaves, stems, branches, moss, algae, lichens, animal parts, manure, droppings, sewage sludge, sawdust, insects, earthworms, and microbes.
The majority of organic matter in soil comes from plant tissue. Plant residues have a moisture content of 60-90 percent. Carbon (C), oxygen, hydrogen (H), and trace amounts of sulphur (S), nitrogen (N), phosphorus (P), potassium (K), calcium (Ca), and magnesium make up the remaining dry matter (Mg).
Microorganisms such as bacteria, viruses, fungi, protozoa, and algae are among the living components of soil organic matter. Plant roots, insects, earthworms, and larger animals such as moles, mice, and rabbits are also included.
Thus, option C is correct.
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identify the forms of energy being used in the energy transformation.
Answers
Answer:
c-m
Explanation:
Answer: Chemical to Mechanical energy
Explanation: The gasoline first has chemical energy, That is then turned into mechanical energy with the car.
Which graph can figure out an object's speed? Distance-Time Graph or Speed-Time Graphs?
Answers
Answer:
Speed-Time Graphs
Explanation:
You are finding the objects speed not distance so it speed-time graph.
Answer:
speed-time graphs if it's not correct sorry
how does thermal energy flow as you hold a glass of ice water? (94 points)
a By conduction from your hand to the glass
b By convection from your hand to the glass
c By convection from the ice to your hand
d By radiation from the ice to your hand
Answers
Answer:
a.
Explanation:
The hand and glass are in direct contact with each other. The hand is warm while the glass is cold. Therefore, the energy will go from the hand to the glass through conduction.
Which statement best describes the weather shown by the blue triangles going one way and the red semicircles going the other way on a line on a weather map?
A stationary front may produce rainy or snowy weather for several days.
A cold front can cause heavy rain, thunder, and lightning.
An occluded front can cause light to heavy precipitation that may last several days.
A warm front brings drizzly weather.
Answers
HELP ASAP!! If a liquid substance is transferred to a different container, what can be predicted about the volume of the liquid in the new container? A. This cannot be predicted. B. The volume will decrease. C. The volume will stay the same. D. The volume will increase.
Answers
Answer:
C. The volume will stay the same
Answer:
C
Explanation:
The volume stays the same no matter the container its in
A.Which non-metal is essential for our life and all living beings inhale it during breathing?
B.Whichnon-metal is used to disinfect water?
2.A purple coloured non-metal forms a brown solution in alcohol which is applied on wounds as an antiseptic. Name the non-metal.
Give reasons for the following.
(a)Aluminium foils are used to wrap food items.
(b)Immersion rods for heating liquids are made up of metallic substances.
(c)Sodium and potassium are stored in kerosene.
4. What is the nature (acidic or basic )of the following oxides ?a.Magnesium oxide (b) Sulphur dioxideGive reason foryour choice.
5. When a copper metal is exposed to moist air for a long time,then a green coating is formed on its surface .What is the green material formed on its surface. Support your answer with word equation.Is it acidic or basic in nature.
PLEASE HELP ME !!!!
Answers
Answer:
A. oxygen
B. chlorine
2. iodine
(a) because aluminium is a soft malleable metal. it can be made to in sheets to form thin wrapping sheets. also, it does not react with food items.
(b) because metals are good conductors of heat and electricity. the immersion rod needs electric supply to get heated and to heat liquids.
(c) they're kept in kerosene to keep them from coming in contact with oxygen and moisture as they react to form their hydroxides.
4. Magnesium is a metal. Metals react with oxygen to form metallic oxides. So Magnesium oxides are basic in nature. But nonmetals react with oxygen to form nonmetallic oxides. These oxides differ from metallic oxides because they are acidic in nature. Nonmetallic oxides react with water to form acids. Therefore, Sulphur dioxide is acidic in nature. Magnesium oxide is basic in nature.
5. Copper forms a green deposit on its surface when exposed to air which is usually a mixture of copper carbonate and copper hydroxide. It's acidic in nature.
Answer:
2.A
Explanation:
Can somebody help me with my Abiotic vs. Biotic Knowledge Check?
Answers
Answer:
abiotic and biotic check
Explanation:
Abiotic is something that is not living
Ex:air
Biotic is something that is living
EX :Plants
5 Which of the following scenarios best describes Newton's law of action-reaction?
A A bottle of soda sitting in the console of a vehicle appears to move left as the vehicle makes a sharp right turn.
B A rocket moves upward as the engine pushes downward against exhaust gases and the exhaust gases push upward against the engine.
C A train traveling 88 kilometers per hour takes approximately one kilometer to come to a complete stop.
D An ice skater sharpens the blades of her skate to lessen the effect of friction.
Answers
step by step explanation
Answer:
c?
Explanation:
b or c im dumb tho so they could be
What is your "Resting Heart Rate" for 1 minute?
Answers
Answer:
A normal resting heart rate for adults ranges from 60 to 100 beats per minute.
Hydrogenation of double and triple bonds is an important industrial process. Calculate (in kJ) the standard enthalpy change ΔH for the hydrogenation of ethyne (acetylene) to ethane:
H−C≡C−H(g)+H2→H3C−CH3(g)
Bond enthalpies (in kJ/mol):
C−C (342)
C≡C (818.4)
C−H (403.4)
H−H (433.7)
Answers
Answer:
a
Explanation:
j
The standard enthalpy for the hydrogenation of ethyne to ethane is C−C (342).
What is Hydrogenation?Chemical reaction between a substance or element and molecular hydrogen that often occurs with the aid of a catalyst It's possible for the reaction to just involve the addition of hydrogen to a double or triple bond holding two atoms together or for the hydrogen to cause the dissociation (breaking up) of the molecule (called hydrogenolysis, or destructive hydrogenation).
Depending on the catalyst used, typical hydrogenation reactions include the reactions of hydrogen and nitrogen to produce ammonia and hydrogen and carbon monoxide to produce methanol or hydrocarbons.
In the presence of a catalyst, nearly all organic molecules having numerous bonds connecting two atoms can react with hydrogen.
Therefore, The standard enthalpy for the hydrogenation of ethyne to ethane is C−C (342).
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What is relative mass of an atom
Answers
Answer:
Explanation:
The relative atomic mass of an element is a weighted average of the masses of the atoms of the isotopes - because if there is much more of one isotope then that will influence the average mass much more than the less abundant isotope will.
12. Curling is a sport in which players push large stones across smooth ice. Three curling stones that
have the same mass were sliding across the ice. They were each pushed by a player, but not all from
the same direction. Each curling stone changed speed as a result of being hit. Use the information in
the diagram to answer.
Which curling stone(s) experienced the strongest force when hit? How do you know?
Answers
Answer:
=1200N
Explanation:
i took the test on edu
Answer:
The yellow and orange curling stones experienced the same strength force because they both gained force, but the blue curling stone lost force.
Explanation:
The yellow and orange curling stones experienced the same strength force because they both gained force, but the blue curling stone lost force.
HOW FAST CAN YOU ANSWER {NEW}}}}}}
Answers
if i’m thinking correctly it should be D
How do the circulatory, respiratory or digestive system, and how they work together.
Please answer in two paragraphs.
Answers
What atoms make up one molecule of water?
A. 2 Hydrogen, 1 oxygen
B. 3 Hydrogen, 1 oxygen
C. 1 Hydrogen, 1 oxygen
Answers
Answer:
A
Explanation:
Answer:
A
Explanation:
2 Hydrogen and 1 Oxygene atoms :D
What is the structure labeled with an arrow?
A. Cytoplasm
B. Nucleus
C. Cell wall
D. Flagellum
Answers
In the given diagram, the structure labeled with an arrow is the nucleus. Therefore, option (B) is correct.
What is the nucleus of a cell?The nucleus is the most integral component of the cell. A nucleus can be defined as a double-membraned eukaryotic cell organelle that consists of genetic material.
The nucleus is typically the most evident organelle in the cell. The nucleus is entirely bound by membranes and is surrounded by the nuclear envelope.
The contents of the nucleus distinguish from the cytoplasm by the membrane. The nucleus contains hereditary information about the cell and controls its growth and reproduction.
The nucleus is not just a storage section for DNA but also occurs to be the home of cellular processes. In the nucleus, DNA can be duplicated and the process is named as named DNA Replication and produce an identical copy of the DNA.
In the diagram, the arrow indicates the nucleus.
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Party mix is an example of a mixture.
Question 1 options:
True
False
Answers
Answer:
false i think plz give me brainliest
Explanation:
Answer:
true
Explanation:
because it has different kids of snacks in it like a fruit bowl it has grapes pineapples apples bananas just different kinds of foods so yes it is true
A moving object has 20 Joules of potential energy and has a mass of 10 kilograms. What is the formula used to velocity? How fast is the object moving in meters per second?
Answers
1. A compound is a substance made up of only 1 kind of element.
True
False
2. An element is a substance _______ be broken down or separated into simpler substances
can
cannot
Answers
Answer:
1. False
2.cannot
Explanation:
2 that cannot
Explain how this chemical equation H2+Cl2=2HCl shows The Law of Conservation of matter
Answers
H2+Cl2=2HCl shows The Law of Conservation of matter
Your equation follows the rule
i need help pleasee
6. Where on the graph does adding heat energy NOT raise the temperature?
What is the heat energy DOING if it's not raising the temperature?
7. What is temperature A called?
8. What is temperature B called?
Answers
Answer:
We can't see the graph so how are we supposed to help you???
Explanation:
Which of the following groups can contain mutlicellular organisms?
Archea
Protists
Animals
Bacteria
Answers
Answer:
among us
Explanation:
