Answers
Answer:
2. the second one is the answer
Because it shows both potential and kinetic energy
Related Questions
Which material would conduct heat best?
А.Air
B.Copper
C.Wood
D.Rubber
Answers
Answer:
I believe the best answer is B. Copper.
can someone help me with this ? i’ll give extra points too :)
Answers
Answer:
i believe it is A
Explanation:
when you are doing something (working) you are using up your energy
Question
Does _____ energy.
When you do work on an object, some of your energy is transferred to the object. You can think of work as the transfer of energy. In fact, both work and energy are measured in the same unit, the joule. ... Energy can be transferred from the man to the ball, but the total amount of energy in the system does not change.
Therefore, the answer is ( C ).
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(giving brainiest) solve please! dont copy I've looked up everything ill know if you copied something!
Answers
Answer:
Precipitation falls in liquid and solid
Evaporation changes liquid water to gas
Explanation:
Precipitation exists in snow, rain, sleet, many forms liquid or solid but NOT gas.
Evaporation is from a liquid to a gas change, also called vaporization.
arrow futhermost to left is evaporation (rising into air)
arrow futhermost to right is precipitation ( falling back to ground)
hope this helped xxx please mark brainliest
15 points will mark brainliest
Answers
that’s the on that makes most sense
The electron affinity of an element is positive if energy is absorbed during the process of accepting an electron and negative if energy is released during the process. Using the electron configuration of the atom or ion undergoing the addition of an electron, predict whether the electron affinity will be positive or negative for the following reactions, and classify them accordingly.
Atom or ion Electron configuration
Ne 1s22s22p6
Br 1s22s22p63s23p64s23d104p5
Na 1s22s22p63s1
Mg 1s22s22p63s2
Cl 1s22s22p63s23p6
Answers
Answer:
See explanation
Explanation:
Ne is a noble gas. It already has an octet of electrons hence, the electron affinity of neon is negative.
Br is a halogen, halogens need one electron to complete their octet. The electron affinity for bromine is negative.
Sodium is a metal that has only one electron in its outermost shell. The electron affinity of sodium is positive.
Magnesium is a metal having two electrons in its outermost shell. The electron affinity of magnesium is positive.
Chlorine is another halogen, energy is released when an electron is added to chlorine hence the electron affinity of chlorine is negative.
When a system is at equilibrium, ________. When a system is at equilibrium, ________. the reverse process is spontaneous but the forward process is not the forward and the reverse processes are both spontaneous both forward and reverse processes have stopped the forward process is spontaneous but the reverse process is not the process is not spontaneous in either direction
Answers
Answer:
When a system is at equilibrium, the process is not spontaneous at either direction.
Explanation:
The process is not spontaneous at either direction , when a system is at equilibrium ΔG = 0, because -
We know that a negative ΔG indicates a forward-moving phase that is random.
We already know that a positive ΔG implies a non-spontaneous phase going forward.
Thus , here ΔG = 0, so the process is not spontaneous in either direction.
Which of the following is a scientific question about the planet Jupiter?
A. Why is Jupiter a fascinating planet to observe?
B. How often is Jupiter visible in the nighttime sky?
O C. Does the big red spot on Jupiter look like a giant eye?
O D. Why was Jupiter named after a Roman god?
Answers
what is the alkane
A.single bond
B.double bond
C.saturated
D.unsaturated
E.A.b
f. non
Answers
Answer:
A.Single Bond
Explanation:
hope help's you<3
Hard water contains relatively large concentrations of
A. Magnesium ions
B. Calcium ions
C. Iron ions
D. All of these ions
Answers
Answer:
I think the answer is All of these ions
describe an example of abiotic conditions and give an example.
Answers
Answer:
Abiotic does not mean dead. It means never alive.
Examples of abiotic factors are rocks. weather
Explanation:
because
A flask with a volume of 1.50 L, provided with a stopcock, contains ethane gas 1C2H62 at 300 K and atmospheric pressure 11.013 * 105 Pa2. The molar mass of ethane is 30.1 g>mol. The system is warmed to a temperature of 550 K, with the stopcock open to the atmosphere. The stopcock is then closed, and the flask is cooled to its original temperature. (a) What is the final pressure of the ethane in the flask
Answers
Solution :
Apply ideal gas equation, PV=nRT to find the number of moles.
The number of moles of a gas is
[tex]$n=\frac{P_1V_1}{RT_1}$[/tex]
[tex]$n=\frac{(11.013 \times 10^5\ Pa)(1.50 \times 10^{-3}\ m^3)}{(8.134 \ J/Mole.K)(300 \ K)}$[/tex]
n = 0.66 mole
The initial mass of the ethane in the flask is
m = 0.66 mole x 30.1 g/mole
= 19.866 g
The volume and the number of moles remains constant after the stopcock is closed.
The final pressure of the ethane is
[tex]$p_2=\frac{T_2}{T_1}p_1$[/tex]
[tex]$=\frac{300}{550} \times 11.013 \times 10^5$[/tex]
= [tex]$60.0709 \times 10^4 \ Pa$[/tex]
Which aquatic organism would be least likely to survive in a <7 pH environment?
protozoa
worms
algae
bacteria
Answers
Ecosystems are self-sustaining. They naturally recycle resources without human intervention. Do you think this is true for a pop- bottle biome?
Answers
Answer:
yes. For a pop bottle biome to be self sustaining it needs a water cycle, mineral cycle, solar energy flow, and a balance.
Explanation:
hope this helps
Answer:
I would say no because you have to add water and other recourses for it to grow and work
Explanation:
identify two possible reasons for unemployment
Answers
Answer:
not sufficient salary and medical reasons
Explanation:
Two possible reasons for unemployment include the following:
Labour demand - supply mismatch.Poor economic growth.What is Unemployment?This is when an individual who is looking for a job doesn't find one and is caused by various factors.
Such factors include poor economic growth in the place of residence or not being qualified to fill vacant positions.
Read more about Unemployment here https://brainly.com/question/305041
This molecule undergoes a substitution reaction through an SN1 pathway when warmed and stirred with HBr. Draw the two substitution products of this reaction. Show the correct stereochemistry by using wedges and dashes at all chiral centers. In part two, select the term that correctly describes the relationship between the products.
Answers
Answer:
See explanation and image attached
Explanation:
The mechanism of this reaction is shown in the image attached. The image was obtained from HomeworkLib.
The first step in the reaction is protonation and loss of -OH2. A carbocation is now created which undergoes a 1,2 hydride shift. This yields a tertiary carbocation which is more stable.
A racemic mixture of two products, major and minor are now obtained as shown.
Choose the larger atom from each of the following pairs.
a. Between Se and Te, the larger atom is __________
b. Between I and Kr, the larger atom is ________
c. Between P and Pb, the larger atom is _______
d. Between Ge and Br, the larger atom is___________
e. Between G e and B r, the larger atom is _________
1. Se
2. Kr
3. S
4. C
Answers
Answer:
C, between P and Pb, largest atom is Pb
The larger atom from each of the following pairs is as,
a. Between Se and Te, the larger atom is Te .
b. Between I and Kr, the larger atom is I .
c. Between P and Pb, the larger atom is Pb .
d. Between Ge and Br, the larger atom is Ge .
e. Between G e and B r, the larger atom is Ge .
How atomic size of elements vary in periodic table?In periodic table, on moving from top to bottom in a group the atomic size of elements increases while on moving left to right in a period the atomic size of elements decreases.
To learn more about periodic table here.
https://brainly.com/question/11155928
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which type of neuron carries impulses from the brain?
Answers
Answer:
Using my searching skills, the answer is motor neurons.
Explanation:
Motor neurons carry impulses from the brain and spinal cord to muscles or glands.
Which of the following compounds is the most stable?
Answers
Answer:
Hey mate......
Explanation:
This is ur answer......
fluoridesThus, fluorides are the most stable while iodides are the least stable.
Hope it helps!
Mark me brainliest pls.....
Follow me! :)
Answer:
LICI
Explanation:
a p e x :)
Write the name for the acid H2 SO4 when it is dissolved in water.
Answers
Answer: Sulfuric acid
Explanation: hope this help! :)
What is the phase label on H3O+(?)
A. aq
B. s
C. e
D. g
E.
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Arrange the following in order of increasing bond strength of the carbon oxygen bond: Group of answer choices Carbon monoxide < carbon dioxide < carbonate ion Carbonate ion < carbon monoxide < carbon dioxide Carbon dioxide < carbon monoxide < carbonate ion Carbon dioxide < carbonate ion < carbon monoxide carbonate ion < carbon dioxide < carbon monoxide Carbon monoxide < carbonate ion < carbon dioxide Carbonate ion < carbon monoxide < carbon dioxide
Answers
Answer:
carbonate ion < carbon dioxide < carbon monoxide
Explanation:
Bond strength depends on the bond order of a bond. The higher the bond order, the greater the bond strength since shorter bonds are stronger than longer bonds.
The carbonate ion has a bond order of 1.33, carbon dioxide has a bond order of 2 while carbon monoxide has a bond order of 3.
Since the compound with the highest C-O bond order has the strongest C-O bond, then carbon monoxide possesses the strongest C-O bond.
Answer: carbonate ion < carbon dioxide < carbon monoxide
Explanation: Carbon dioxide (chemical formula CO2) is a chemical compound made up of molecules that each have one carbon atom covalently double bonded to two oxygen atoms. It is found in the gas state at room temperature, and as the source of available carbon in the carbon cycle, atmospheric CO2 is the primary carbon source for life on Earth. In the air, carbon dioxide is transparent to visible light but absorbs infrared radiation, acting as a greenhouse gas. Carbon dioxide is soluble in water and is found in groundwater, lakes, ice caps, and seawater. When carbon dioxide dissolves in water, it forms carbonate and mainly bicarbonate (HCO−3), which causes ocean acidification as atmospheric CO2 levels increase. Bond strength depends on the bond order of a bond. The higher the bond order, the greater the bond strength since shorter bonds are stronger than longer bonds. The carbonate ion has a bond order of 1.33, carbon dioxide has a bond order of 2 while carbon monoxide has a bond order of 3. Since the compound with the highest C-O bond order has the strongest C-O bond, then carbon monoxide possesses the strongest C-O bond. It is a trace gas in Earth's atmosphere at 421 parts per million (ppm), or about 0.04% by volume (as of May 2022), having risen from pre-industrial levels of 280 ppm. Burning fossil fuels is the primary cause of these increased CO2 concentrations and also the primary cause of climate change.
How many molecules are in 87.8 moles of CO2?
Answers
Answer:
5.29*10^25 molecules CO₂
Explanation:
Use Avogadro's Number: 6.02*10^23
87.8 mol CO₂ x 6.02*10^23 molecules CO₂/1 mol CO₂ = 5.29*10^25 molecules CO₂
Describe the cause and effect relationship between density and ocean currents.
Answers
Answer:
Differences in water density affect vertical ocean currents. Denser water tends to sink, while less dense water tends to rise. Other causes of currents include tides, rain, runoff, and ocean bottom topography. Topography is the surface features of a place. Ocean topography includes slopes, ridges, valleys, and mountains! All these things are found at the bottom of the ocean, and can influence currents.
The cause-and-effect relationship between density and ocean currents is the mixing and circulation are influenced by the density differences between the various layers of the water column.
What are ocean currents?The continuous, predictable, and directional movement of seawater known as ocean currents is caused by gravity and wind.
Ocean vertical currents are influenced by variations in water density. Less dense water tends to rise, while denser water sinks. Tides, rainfall, runoff, and the topography of the ocean bottom are additional causes of currents.
Thus, the mixing and circulation are influenced by the differences in densities between the various layers of the water column, which is the cause-and-effect relationship between density and ocean currents.
To learn more about ocean currents, refer to the below link:
https://brainly.com/question/1543125
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Both the sweatshirt and the balloon are negatively charged. They are most
likely to (blank)
one another.
A-give
B-attract
C-repel
D-help
Answers
Answer:
B attract
Explanation:
There will be statication
How does the offspring of two parents that reproduce sexually differ from the offspring of a parent who reproduces asexually
Answers
Answer: sexual reproduction results to the offspring having a mix of genetic characteristics of the parents. Where as Asexual offspring tend to look like their parent.
Explanation:
Intercourse leads to the mixing of genetic material. Asexual reproduction is often the parent making a separate copy of themselves.
Ellie started her reaction between the KMnO4 and malonic acid by first heating the two solutions in the hot water bath. She then removed the test tubes from the water bath and poured the KMnO4 into the 75-mL test tube containing the malonic acid. She mixed the solution, placed it back into the water bath, then started the timer. For the data collected at 75 oC, indicate how the process explained above impacts the reaction time.a. The time recorded in the lab notebook is the true reaction time because the reaction only starts after the timer is started b. The time recorded in the lab notebook is longer than the true reaction time because the reaction starts the moment the two solutions were mixed c. The time recorded in the lab notebook is the true reaction time because the reaction only starts after the mixture is placed back into the hot water bath d. The time recorded in the lab notebook is shorter than the true reaction time because the reaction starts the moment the two solutions were mixed
Answers
Answer:
The time recorded in the lab notebook is shorter than the true reaction time because the reaction starts the moment the two solutions were mixed
Explanation:
A chemical reaction is "a process that involves rearrangement of the molecular or ionic structure of a substance, as distinct from a change in physical form or a nuclear reaction" (Oxford dictionary).
A chemical reaction begins immediately the reactants are mixed together in a reaction vessel because the particles of the reactants immediately begin to collide with each other. There is no lost time before reactions begins!
This implies that, the time recorded in the lab notebook is shorter than the true reaction time because the reaction starts the moment the two solutions were mixed.
Answer:
the first one is B. and E. and the second is A., B., and D. on edge 2023
Explanation:
Please help. ASAP!
What most likely happens when water loses heat?
It changes into ice.
It changes into vapor.
Its temperature increases.
Its temperature remains constant.
Answers
Answer:
It changes into ice.
Explanation:
solid form of water. When water vapor in the atmosphere cools down, it will condense and change back into liquid water, forming clouds
Answer:
It changes into ice,
Explanation:
Because if it's hot it would melt or evaporate, but if it's LOSING heat it would mean the opposite, and the only one that supports this is that "it changes into ice". Hope this helped, sorry i wasn't on for some time
What might happen if an endocrine hormone such as thyroid hormone was controlled by positive instead of negative feedback?
Answers
Answer:
cdg I will be a little late to the party but I have to go to the store and get ❤️❤️❤️❤️❤️❤️
what is the difference between crystalline and amorphous solid..???
Answers
Answer:
Crystalline solids have regular ordered arrays of components held together by uniform intermolecular forces, whereas the components of amorphous solids are not arranged in regular arrays.
Explanation:
How do surface currents differ from deep ocean currents? Deepwater currents are dependent on the wind and landmasses. Deepwater currents are dependent on temperature and salinity. Deep ocean currents are affected by salinity and wind. None of the above
Answers
Answer:
surface currents are caused by winds : deep water currents are caused by difference in water density.
I guess the answer of your question is this
Answer:
Deepwater currents are dependent on temperature and salinity.
Explanation: