Answer:
thermal
Explanation:
The form of energy that is directly related to the measure of the average kinetic energy of the particles in a substance is thermal energy.
What is thermal energy?Thermal energy is the temperature of the body that is heated.
It is a type of kinetic energy.
It is generated when temperature rise and the atoms and molecules of a body move faster and collide with each other.
The types of thermal energy are solar energy, geothermal energy, heat energy, etc.
Thus, the correct option is A, thermal energy.
Learn more about thermal energy
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If you shine the world’s brightest flashlight at a black hole, will the light shine through the black hole, or will the black hole consume the light?
yes the flaslight would beconsumed by the black hole. So yeah
Explanation:
Answer:
if you were to aim a powerful-enough flashlight at the Moon right now, the light would reach it in a little more than a second—maybe before you got to the end of this sentence. . If you aimed your flashlight in its direction, toward the constellation Sagittarius, the light would arrive there sometime around the year 3600.
Explanation:
Which sample of matter is classified as a substance
Answer:
Elements and Compounds. Any sample of matter that has the same physical and chemical properties throughout the sample is called a substanceAny sample of matter that has the same physical and chemical properties throughout the sample.
Explanation:
. One of the essential minerals in the human body is salt. How much salt (NaCl) is in the average adult human body?
Answer:
200g or 40 teaspoons
Explanation:
An average human, weighing about 50 pounds, has about 200 g or 40 tps of NACl
The initial water volume in this container was 10.0 mL. When the key was submerged, 3 volumes of displaced water were collected: 0.7 mL, 0.8 mL, and 0.9 mL. What is the volume of the key?
mL
Answer:
2.4mL
Explanation:
Answer:
2.44
Explanation:
What is the definition of optical fiber technology?
Answer:
Fiber optics is the technology used to transmit information as pulses of light through strands of fiber made of glass or plastic over long distances.
Explanation:
I did a test on it before
Why are Li Na and k Placed in the same group of the periodic table?
Answer:
Their valence electrons/properties
Explanation:
Elements in the same group of the periodic table have the same amount of valence electrons, which determines how they bond with other elements in other groups. This also determines their properties such as their reactivity. Since Li, Na, and K are in the same group, they must have similar properties and the same amount of electrons in their outermost shell.
using the clues in the text you can determine environmental toxicologist studies how chemicals affect the environment
A- true
B- faulse
I need help doing this please. It’s an image
Answer:
k+
Ba2+
Al3+
K+
S2-
you may think that if it has a + it would be bigger, but it is actually the opposite.
What would happen to other populations if they didn't have limitng factors?
Answer:
In the natural world, limiting factors like the availability of food, water, shelter and space can change animal and plant populations. Other limiting factors, like competition for resources, predation and disease can also impact populations. Other changes in limiting factors will cause a population to decrease.
PLS HELP ASAP!!!!! IM TIMED!!!!!
1. compound
2. element
3. element
4. compound
5. compound
6. element
7. compound
8 element
is camphor heated a physical/chemical change
Answer:
when it is heated it changes to vapor, which is a physical change
Explanation:
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01 23 54 Diaz, Emireth
HSPS 20-21 CA Heat and Phase Changes (AKS 7d, e, & f) 13 of 20
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In 1906, a 600 g diamond was found at the Premier Mine in South Africa- the world's largest uncut diamond. Suppose the diamond's
temperature changed by 2 as it was cut. If the specific heat capacity of diamond is 710 J/gt, how much energy was transferred to the
diamond by the heat?
O A 0.59)
B. 2.36
OC 426,000 ]
OD 852,000)
Answer:
The amount of energy transferred to the diamond while being cut is thus Q = 852000 J
Explanation:
Since quantity of heat transferred Q = mcΔθ where m = mass of substance , c = specific heat capacity of substance and Δθ = temperature change.
Now, given that for diamond, m = mass of diamond = 600 g, c = specific heat capacity of diamond = 710 J/g°C and Δθ = temperature change = 2 °C.
So, the amount of energy transferred to the diamond while being cut is thus
Q = mcΔθ
Q = 600 g × 710 J/g°C × 2 °C
Q = 852000 J
So, the amount of energy transferred to the diamond while being cut is thus Q = 852000 J
The radioactive isotope Uranium-235 has a difference of ________________________ in comparison to Uranium-238.
A) 3 less Neutrons
B) 3 Less Protons
C) 3 Less Electrons
D) No mass change, only a change in charge
Answer:
A) 3 less Neutrons
Explanation:
Uranium - 235 and Uranium - 238 have the same amount of protons because they are the same element: 92 protons.
However, U - 235 has 143 neutrons while U - 238 has 146 neutrons. U - 238 has a mass of 3 neutrons more.
54. Given the density of lead to be 11.4 g/cm' and a sample mass of 32 g what is the volume of this sample of
lead?
Every spring has an equilibrium position. Which statements describe a spring at its equilibrium position ? Check all that apply.
The spring constant is zero.
The elastic potential energy is at a maximum.
The elastic potential energy is zero
The displacement of the spring is at a maximum.
The net force acting on the spring is zero.
Answer:
The elastic potential energy is zero.
The net force acting on the spring is zero.
The statements correct about the equilibrium position of Spring has been that the elastic potential energy and the net force acting on the spring has been zero at the equilibrium position. Thus statements C and E are correct.
The spring displacement can be described by Hooke's law. According to Hooke's law, the force required for the stretching and compression of the spring has been dependent on the spring stretch, and the spring constant.
The spring constant has been a non-zero quantity. Thus statement A is incorrect.The elastic potential energy of the spring has been the energy stored in the spring. At the equilibrium position, the elastic potential energy of the spring has been zero, as there has been the total kinetic energy.Thus statement B is incorrect, and C is correct.
The displacement of the spring at equilibrium position has been zero. Thus statement D is incorrect.The net force acting on the spring has been zero at the equilibrium position. Thus statement E is correct.For more information about the spring equilibrium position, refer to the link:
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Pluto’s average distance from the sun is about 3,666,000,000 miles. What is this in inches?
(This is Dimensional Analysis)
Answer:
2.3227776e+14
Explanation:
multiply 3,666,000,000 by 63360
how do you solve that
Choose the example that is a protein:
•bread
•enzyme
•ORNA
•sugar
Answer:
I think bread is the answer
which of the following metamorphism is affected by heat and reactive fluid
This atom has two neutral charged subatomic particles and two negatively charged subatomic particles. What is this atom?
Hydrogen
Helium
Oa
Oь
ос
Od
Lithium
Beryllium
Answer: helium is the answer
The majority of elements found in the periodic table can be classified as
Answer:
Metals
Explanation:
Hope this helped :)
An element has two naturally occurring isotopes. One is 10.013 amu and is 19.9% abundant. The other is 11.01 amu and is 80.1% abundant. What is the average atomic mass? What element is it?
Answer:
10.81, Boron
Explanation:
I love the explanation Khan Academy gives.
The average atomic mass of the element is 10.811 u.
What is Average Atomic Mass ?
The average atomic mass (sometimes called atomic weight) of an element is the weighted average mass of the atoms in a naturally occurring sample of the element.
Average masses are generally expressed in unified atomic mass units (u), where 1 u is equal to exactly one-twelfth the mass of a neutral atom of carbon-12.
Each of two or more forms of the same element that contain equal numbers of protons but different numbers of neutrons in their nuclei.
Hence, differ in relative atomic mass but not in chemical properties; in particular, a bform of an element.
Therefore, The average atomic mass of the element is 10.811 u.
Learm more about Atomic Mass here ;
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hellpppppoppopppppppp
Answer:
C
Explanation:
it's always colder at night and close to night especially near water and that's when wind tends to blow the most
What most likely led to a change in the widely accepted theory of evolution? new experiments involving genes and evolution experiments with Darwin's original hypotheses changes that Mendel made to his laws of genes studies of evolution without Mendel's laws
Incomplete question. Full question reads;
Darwin developed the theory of evolution to explain why there are so many different kinds of living things. He could easily observe that offspring of any animals were slightly different from their parents and that this could allow for big changes over thousands of years. He did not know that genes caused the differences. Genes are now very important in the modern theory of evolution.
What most likely led to a change in the widely accepted theory of evolution?
Answer:
new experiments involving genes and evolution
Explanation:
Indeed, the original theory of evolution has experienced several changes in its acceptance because of its imperfect and wrong assumptions not based on generally acceptable scientific facts,
Hence, new experiments involving genes and evolution has led to a change (disagreements and few agreements) in the widely accepted theory of evolution.
Answer:
The answer is A
Explanation:
3.. Which type of graph would be most helpful for comparing the calorie-content in a variety of
different cereal brands?
a. Line graph
b. Pie chart
C. Stem-and-leaf plot
d. Bar graph
Answer:
d. Bar graph
Explanation:
a. Line graph - this type of graph is best for continuous data, such as how a the sales of a particular cereal drop over time
b. Pie chart - this is best for % data, such as looking at the % of different nutrients (carbohydrates, fats, proteins) in a cereal
C. Stem-and-leaf plot - presents quantitative data such as the ages of people who buy a brand of cereal
d. Bar graph - this is best for plotting different numbers in distinct categories to compare them to one another
Please help ASAP 100 points please I’ll mark you as brainlister
How many atoms of each element are present in the compound
a compound includes more than two elements but is a pure substance
Explanation:
hope this helped
Scientists have discovered a new element number 120 (note 119 was NOT discovered).
The number of valence electrons will likely be ?
and charge will likely be
?
1. What can you conclude about the figure?
a. The arrow locations represent precision.
b. The arrow locations represent both high accuracy and
good precision.
c. The arrows have been thrown accurately toward the
bulls-eye.
d. The arrow locations represent neither accuracy
nor precision.
Answer : The correct option is, (d) The arrow locations represent neither accuracy nor precision.
Explanation :
Precision : It is defined as the closeness of two or more measurements to each other.
For Example: If we measure a length 4 times and we get 5.8 m each time. Then the measurement is very precise.
Accuracy : It is defined as the closeness of a measured value to a standard or known value.
For Example: If the weight of the substance is 40 kg and one person measures 39.9 kg and another person measures 39.8 kg. Then, the weight measured by first person is more accurate.
Hence, we from this we conclude that the arrow locations represent neither accuracy nor precision.
Answer : The correct option is, (d) The arrow locations represent neither accuracy nor precision.
Explanation :
Precision : It is defined as the closeness of two or more measurements to each other.
For Example: If we measure a length 4 times and we get 5.8 m each time. Then the measurement is very precise.
Accuracy : It is defined as the closeness of a measured value to a standard or known value.
For Example: If the weight of the substance is 40 kg and one person measures 39.9 kg and another person measures 39.8 kg. Then, the weight measured by first person is more accurate.
Hence, we from this we conclude that the arrow locations represent neither accuracy nor precision.
PLEASE HELP ASAP
How do you think heating or cooling could be used to remove pollutant gases from a factory's exhaust before that smoke leaves the smokestack? What would happen to the pollutants?
Answer:
it will pollute things around it, because of the gas from the factory it s more likely to be pollanted same with the smoke as well!
Explanation:
