Answer:
B.) kinetic energy from wind turns blades on wind turbine → wind turbine blades turn generator → generator changes kinetic energy to electricity
Explanation:
correct on edge
just took the quiz
The correct order of steps when using wind to generate electricity is kinetic energy from wind turns blades on wind turbine → wind turbine blades turn generator → generator changes kinetic energy to electricity. Therefore, option B is correct.
What do you mean by the kinetic energy ?The energy an item has as a result of motion is known as kinetic energy. A force must be applied to an item in order to accelerate it. We must put forth effort in order to apply a force.
Kinetic energy has the following formula: K.E. = 1/2 mv², where m is the object's mass and v is its square velocity.
The kinetic energy is measured in kilograms-meters squared per second squared if the mass is measured in kilogrammes and the velocity is measured in metres per second.
The steps when using wind to generate electricity is kinetic energy from wind turns blades on wind turbine → wind turbine blades turn generator → generator changes kinetic energy to electricity.
Thus, option B is correct.
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plz help it is urgent
will give brainliest
it is only multiple choice q
Answer:
Q1. B
Q2. D
Q3. C
Hope it helps............
Plz mark as brainliest
as water cruise to a temperature of zero degrees Celsius and form ice water molecules tend to
A. move faster apart
B. vibrate rapidly
C. flow more randomly
D. gradually expand
Answer:
B. vibrate rapidly
Explanation:
Mark above answer as BRILLIANT
write the name of and molecular formula of compound which gives hydrogen ion and chloride ion in the solution state. in which colour is the methyl orange changed after treating it with this compound. why? write the name of salt when the compound is treated with lime water. write the chemical equation.
is this a balanced equation?
Answer:
C6 H12 O6 +6 O 2 → 6 CO2 + 6 H2 O
How do particles in a sample of matter interact when the sample is in a different state (solid,
liquid, and gas)?
How do volcanos such as ojos del salado form?
Answer:
Deep inside Earth, between the molten iron core and the thin crust at the surface, there is a solid body of rock called the mantle. When rock from the mantle melts, moves to the surface through the crust, and releases pent-up gases, volcanoes erupt.
Explanation: hot molten rock, ash, and gases escape from the volcano
Suppose while walking along the beach, you find a green crystal. Which properties could you use to determine whether the crystal is an emerald?
Explanation:
Emerald is defined by its green color. To be an emerald, a specimen must have a distinctly green color that falls in the range from bluish green to green to slightly yellowish green. To be an emerald, the specimen must also have a rich color.
A physical property tells how a substance changes into a new substance
Answer:
false
Explanation:
Scientists find a fossil of a fish on top of a mountain. What kind of evidence does the fossil provide scientists about the way this area might have changed over time?
Group of answer choices
It shows that fish were once able to live without water.
It shows that oceans can change quickly and become land.
It shows that the animals found on the mountain today evolved from fish.
It shows that the mountain may have once been under water and was raised by natural processes
Answer:
It shows that the mountain may have once been under water and was raised by natural processes. Maybe
The fossil provide scientists about the way this area might have changed over time, the evidence It shows that the mountain may have once been underwater and was raised by natural processes.
What is fossil ?Any surviving remnants, impression, or evidence of a once-living creature from a previous geological epoch is referred to as a fossil. Examples include fossilized bones, shells, exoskeletons, animal or microbe impressions in stone, amber-preserved artifacts, hair, petrified wood, oil, coal, and DNA traces.
There are four basic categories of fossils, each generated in a unique method and useful for conserving various kinds of animals. These include genuine form fossils, trace fossils, mold fossils, and cast fossils.
Usually, sedimentary rocks include fossils, however rarely, low-grade, fine-grained metamorphic rocks will as well. Sometimes, after the fossils have been removed, the surrounding rock has developed molds.
Thus, option D is correct.
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what does buffer do?? (Chemistry)
Answer:
C, It resists a change in pH when H+ or OH is added to a solution.
Explanation:
a p e x
i need to know what word goes into that the words are in each sentence plz help me i will give brainliest thank you :)
Answer:
im taking these points baby lol
Explanation:
i love you <3
can someone please give me a very simple definition of nuclear fusion make it as simple as possible
Answer: Nuclear fusion is a nuclear reaction where atomic nuclei of a low atomic number fuse to form a heavier nucleus releasing energy.
Explanation:
7. At what structures in the lungs do the exchange of oxygen and carbon dioxide take place?
A. Bronchi B. Alveoli C. Bronchioles D. Trachea
LA
Answer:
Answer is Alveoli
Hope it helps.... plz mark as brainliest
giveaway!! 2 more coming up.
hope you get it ! <3
Answer:
k
Explanation:
Thank you for hosting <3
materials that are eroded from one location are always ?
If the half-life of a radioisotope is 250 years how much of a 96.0 gram sample will remain after 750 years
Answer:
12 grams
Explanation:
96g=0 years
48g=250 years
24g=500 years
12g=750 years
When the temperature of substance
decreases, what happens to the
substances thermal energy?
Explanation:
When a substance is heated, it gains thermal energy. Therefore, its particles move faster and its temperature rises. When a substance is cooled, it loses thermal energy, which causes its particles to move more slowly and its temperature to drop.
When the temperature of a substance is increased, i.e., if you double the Kelvin temperature of a substance, you double the average kinetic energy of its molecules. When the average kinetic energy of the molecules goes up (a rise in temperature), the average speed of the molecules increases.
What do small-scale convection currents create?
A. Solar winds
B. Prevailing winds
C. Global winds
D. Local winds
Answer:
Local Winds
Explanation:
Answer: I think it would be D. Local winds
Explanation: Sorry if I am wrong.
Hope this helps :)
Please help me with these questions... please..
Imagine you are a scientist who has just discovered a new element. The element has an atomic number of 113, and it has three elections in the outer energy level of each atom.
Which element would have properties most similar to the new element?
Group of answer choices
A.boron
B.carbon
C.hydrogen
D.beryllium
What would you name this new element?
Answer:
3 valence electrons
The element with the atomic number 113 would fall in the 13th column of the periodic table Group IIIA. This group has an electron configuration that would end as p1 , meaning there would be 3 valence electrons. The valence electrons are the electrons found in the highest energy level in the s and p orbital.
Explanation:
Nihonium has to be the #113 element of the periodic table
A. is the correct answer because Boron has 3 electrons too,
All elements in Group 13 have three electrons in their outermost energy level. The two most popular elements in this group are Boron and Aluminum.
Boron element would have properties most similar to the new element. Therefore, option (A) is correct.
Why do the elements of same group have similar chemical behavior?The chemical properties of elements depend on the number of valence electrons in their valence shell. Elements in the same group in the modern periodic table have the same number of valence electrons. Therefore, chemical elements situated in same group of the modern periodic table have similar chemical behavior.
The chemical elements having an identical outer electronic configuration in their atoms are placed in the same group of the periodic table. These valence electrons of an element are responsible chemical behavior and reactivities of the elements.
Therefore, both Boron and a new element with atomic number 113 have three electrons in their valence shells. So they belong to the same group and will have similar chemical properties.
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Choose the electron configurations which are possible for an unexcited atom. Example 1 – 1s22s22p4 Example 2 – 1s22s22p63s23p33d1 Example 3 – 1s22s22p83s1 Example 4 – 1s22s22p63s1
Answer:
Examples 1, 3 and 4
Explanation:
An unexcited atom is an atom in the ground state i.e the atom has it's valence electrons in it's lowest energy level possible. This actually implies the normal electronic configuration of the atom. Thus, examples 1, 3 and 4 have the actual electronic configuration with there valence electrons in the lowest possible energy level.
Example 1: 1S² 2S² 2P⁴
Example 3: 1S² 2S² 2P⁶ 3S¹ (There seem to be a mistake in the question provided, P energy level can only 6 electrons not 8)
Example 4: 1S² 2S² 2P⁶ 3S¹
NOTE: If you take a look at example 2, it will be deduced that the 3P energy level has only 3 valence electrons and the last valence electron jumped to 3d energy level; making that atom appear to be in it's excited state.
During active transport, molecules move from areas of ______________ to _______________. This requires the use of _________.
The common charge on an atom in group 17 would be....
+1
+7
-7
-1
+17
ñ How many total electrons does 0-2 (an oxide ion) have?
Explanation:
1one electron and -1 for anions
2 O2- indicates an ion of oxygen having two extra electrons. I.e., since an oxygen atom normally has 8 protons and 8 electrons, this ion has 10 electrons (-10 charge) and 8 protons (+8 charge) giving it a charge of -2 (-10 + 8 = -2).
...
In metallic bonding, which of these particles are able to move around freely?
A.) protons
B.) electrons
C.) neutrons
Answer:
Electrons
Explanation:
They mad chillin da electron cloud.
There are five objects (a pink object, a yellow object, a white object, a gray object, and a violet object). Each object has a different mass (28.7 g, 41.6 g, 8.7 g, 30.4 g, and 76.9 g) and a different volume (11.6 cubic cm, 57.4 cubic cm, 14.9 cubic cm, 29 cubic cm, and 57 cubic cm). The masses and volumes listed above are not in any particular order, they are listed randomly. Use the clues below to figure out the mass, volume, and density of each object. Construct a table to display your data. 1. The volume of the yellow object is not 29 cubic cm and it is also not 57.4 cubic cm. 2. The white object has a greater mass than the pink object. 3. The gray object has a density of 1.349 grams per cubic cm and a mass of 76.9 g. 4. The density of water is 1.0 gram per cubic cm. If the white object was placed in water, it would sink. 5. The density of water is 1.0 gram per cubic cm. If the yellow object was placed in water, it would float. 6. The density of aluminum is 2.7 grams per cubic cm. The violet object is more dense than aluminum. 7. One object has a volume of 57.4 cubic cm and a density of 0.5 grams per cubic cm. 8. The volume of the violet object is not 11.6 cubic
A teacher attaches two slinky springs to a fixed support. The springs are moved, as shown in the image. Wave A wave B What property of the wave does the teacher change in the movement of each slinky? amplitude,frequency, speed, or wavelength
Answer:
a changes more because it going higher
Explanation:
Answer:
They will be the same because amplitude doesn't affect speed. A physics teacher attaches a slinky to the wall and begins introducing pulses with different wavelength. The denser the medium at the compression, the greater the amplitude of the wav
Explanation:
57.1% carbon, 6.16% hydrogen, 9.52% nitrogen, and 27.18% oxygen
There are _____ Chemical families in the periodic table.
Explanation:
18
In chemistry, a group (also known as a family) is a column of elements in the periodic table of the chemical elements. There are 18 numbered groups in the periodic table; the f-block columns (between groups 3 and 4) are not numbered.
Hydrogen is considered to be a (metal, non-
metal) of relatively (high, low) electronega-
tivity.
1. nonmetal; low
2. nonmetal; high
3. metal; low
4. metal; high
Answer:
the answer is 1. nonmetal; low
A sample of gas under pressure of 882kPa has a volume of 312cm3. The pressure is increased to 948kPa. What volume will the gas occupy at the new pressure, assuming that the temperature is constant?
Answer:
V₂ = 290.3 cm³
Explanation:
Given data:
Initial pressure = 882 KPa
Initial volume = 312 cm³
Final pressure = 948 KPa
Final volume = ?
Solution:
The given problem will be solved through the Boly's law,
"The volume of given amount of gas is inversely proportional to its pressure by keeping the temperature and number of moles constant"
Mathematical expression:
P₁V₁ = P₂V₂
P₁ = Initial pressure
V₁ = initial volume
P₂ = final pressure
V₂ = final volume
Now we will put the values in formula,
P₁V₁ = P₂V₂
882 KPa× 312 cm³ = 948 KPa × V₂
V₂ = 882 KPa× 312 cm³/ 948 KPa
V₂ = 290.3 cm³
How many electrons does gallium give up when it becomes an ion?
Answer:
3 electrons comrade
Explanation: