Among the given options, solid calcium will have the greatest increase in temperature when equal masses of these substances absorb equal amounts of thermal energy. This is because solid calcium has the lowest specific heat capacity, meaning it requires less heat energy to increase its temperature compared to the other substances.
The substance that will have the greatest increase in temperature when equal masses absorb equal amounts of thermal energy is the substance with the lowest specific heat capacity. Specific heat capacity is the amount of heat energy required to raise the temperature of a substance by a certain amount. Looking at the given options, we can compare the specific heat capacities of water, ammonia gas, aluminum metal, and solid calcium. Water has the highest specific heat capacity of 4.18 J/goC, which means it requires a large amount of heat energy to raise its temperature. Ammonia gas has a specific heat capacity of 2.1 J/goC, aluminum metal has a specific heat capacity of 0.90 J/goC, and solid calcium has the lowest specific heat capacity of 0.476 J/goC. Therefore, among the given options, solid calcium will have the greatest increase in temperature when equal masses of these substances absorb equal amounts of thermal energy. This is because solid calcium has the lowest specific heat capacity, meaning it requires less heat energy to increase its temperature compared to the other substances.
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4. How is a lead storage battery recharged?
a. It is heated up.
b. The pressure on it is increased.
c. A direct current is applied to it.
d. A magnet is held close to it.
What are the three types of Covalent bonds? and what is the difference between them?
Help!!!
Plsss fastt
Answer:
Covalent bonds can be single, double, and triple bonds.
Explanation:
Single bonds occur when two electrons are shared and are composed of one sigma bond between the two atoms. Double bonds occur when four electrons are shared between the two atoms and consist of one sigma bond and one pi bond.
PLEASE HELP ME
Anything that has mass and takes up space is
A. Volume
B. Mass
C. Matter
Choose one option
A, B, C
Answer:
C. Matter
Explanation:
How many protons, electrons, and neutrons are in calcium?
Answer:
20 protons , 20 electrons and 20 neutrons
In a lab, a scientist mixes a purple powder-like substance and a clear liquid together. The scientist observes that the two substances begin combining together, and he notices a gas begin to bubble out of the mixture. Did the scientist witness a chemical reaction? Why or why not?
The scientist witnessed a chemical reaction because a gas was evolved when the two substances were mixed.
A chemical reaction is the same as a chemical change. When a chemical change occurs, atoms recombine to form new substances. Certain occurrences may accompany a chemical reaction such as;
Change in colorEvolution of gasAppearance of a solid in an aqueous phase reactionSudden change in the temperature of the system.When the scientist mixed purple powder-like substance and a clear liquid together, he noticed that a gas began to bubble out of the mixture. This implies that new substance has been formed so a chemical reaction has taken place.
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Will a nucleus of Zn-65 be stable or unstable?
Answer:
Unstable
Explanation:
The pH of a solution is 8. Some hydrochloric acid is added to the solution. Suggest the pH of the solution after mixing. pH=.......??
Answer:
By adding acid to hydrogencarbonate you create a large concentration of CO2 in solution causing the solution to be highly supersaturated. This keeps the pH down as CO2 is in equilibrium with carbonic acid. During the day long mixing the excess CO2 strips off and as acid leaves the solution the pH increases.
Explanation:
Hope it helps
A solution with a pH of 8 will have its pH reduced with the addition of hydrochloric acid.
What is pH?It is the degree of acidity or alkalinity of solutions.
pH ranges from 0 to 14 with 7 being a neutral pH. Any pH below 7 is acidic while above 7 is basic.
Thus, a pH of 8 is basic and the addition of hydrochloric acid will reduce it towards 7 or even below it.
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The human body has several major systems. Most body systems have multiple functions. Which of the following is NOT a major function of the musculoskeletal system?
A turning food into energy
B helping the lungs take in air
C helping the stomach digest food
D moving the bones of the skeleton
Answer:D
Explanation:
i got it right LOL
Among the given options, the one which is not a major function of musculoskeletal system is helping the lungs take in air. All others including, energy, digestion, movement of bones etc. are its function.
What are the functions of musculoskeletal system ?The musculoskeletal system in human body is composed of muscles and bones. The bones in our body are wrapped by the muscles. Muscles helps for the smooth movement of bones.
Muscles convert the chemical energy from food into kinetic energy and use it for the movement of muscles and bones. Muscles contraction needs intake of energy.
The contraction and relaxation of smooth muscles helps for the easy movement of food through the digestive track. Musculoskeletal system also helps for the movement of other organ system. Hence, option b is not the major function of this organ system.
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What element has the following Electron Configuration?
Which have a mass of 0 amu ?
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Answer:
Electrons
Explanation:
Protons and Neutrons have an amu of 1
Answer:
c. Electrons
Explanation:
Electrons are found outside the nucleus and are the lightest.
Energy that is stored is called potential energy. Take a round ball that is at rest at the top of the hill. The ball has a lot of potential energy, but no kinetic energy because it is not moving. Once the ball is released and it begins to roll, the potential energy the ball had initially is transformed into kinetic energy. The higher the ball is placed, the ____ potential energy it will have.
A-more B-less
the number of molecules present in 0.036g of water
Answer:
5
Explanation:
Fire ants move in to a new environment with the lizards.what will most likely happen to the lizard population over the next several years
Answer:
Some lizards in the eastern U.S. have adapted to invasive fire ants -- which can bite, sting, and kill lizards -- reversing geographical trends in behavioral and physical traits used to avoid predators. A new study describing this reversal appears online on November 29, 2018, in the journal Global Change Biology and reveals that new environmental challenges can override the historical influences that originally determined geographical trends in traits.
"Rapid environmental change, be it from changing climate or the introduction of invasive species, is putting a lot of pressure on native species," said Christopher Thawley, graduate student at Penn State at the time of the study and first author of the paper. "Usually when researchers look at how native species might respond to these kinds of threats, they might measure one characteristic of the animal and at one or a few sites. In this study, we looked at three separate characteristics of eastern fence lizards from thirteen sites spanning a thousand miles and found that these lizards are capable of adapting in a concerted way to meet the threat of invasive fire ants, and in a relatively short time frame."
Explanation:
Explain why the metals conduct electricity.
Write in your own words.
Please don't copy-paste from the internet.
Answer:
Metals conduct electricity because they have free Electrons in them which helps the current to move eaisily
Why might an increase in the concentration of greenhouse gases be a concern? What
might be the effect of an increase? Use the diagram to help you answer.
Answer:
too many greenhouse gases can cause the temperature to increase out of control. ... The increased greenhouse effect is causing changes in our planet that can affect our lives. The major Greenhouse Gas, carbon dioxide, emitted naturally and by the burning of fossil fuels, stays in the atmosphere a long
Effects: By increasing the concentration of greenhouse gases in the atmosphere, we’re amplifying the planet’s natural greenhouse effect and turning up the dial on global warming.
The atmosphere of the Earth may begin to trap more and more heat if these greenhouse gases are present in excess. Earth warms as a result of this.
What are Greenhouse gases?A greenhouse gas is a gas that produces the greenhouse effect by both absorbing and emitting radiant energy at thermal wavelengths that are infrared. The five main greenhouse gases in the atmosphere of Earth are ozone, carbon dioxide, methane, and water vapour.
Carbon dioxide, methane, nitrous oxides, and water vapour are examples of greenhouse gases. (A "feedback" is the term used to describe water vapor, which reacts chemically or physically to changes in temperature.) Scientists have found that the warming effect of carbon dioxide contributes to the stabilisation of Earth's atmosphere.
Thus, the atmosphere of the Earth may begin to trap more and more heat if these greenhouse gases are present in excess. Earth warms as a result of this.
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What is the average atomic mass of the isotopes shown in the table?
Isotope Abundance (%) Mass of Isotope (amu)
Isotope-A
54.0
17.984
Isotope-B
32.0
18.985
Isotope-C
14.0
19.982
Answer:
18.58
Explanation:
From the question given above, the following data were:
Isotope A:
Abundance of A = 54%
Mass of A = 17.984 amu
Isotope B:
Abundance of B = 32%
Mass of B = 18.985 amu
Isotope C:
Abundance of C = 14%
Mass of C = 19.982 amu
Average atomic mass =?
AVERAGE = [(Mass of A × A%)/100)] + [(Mass of B × B%)/100] + [(Mass of C × C%)/100]
AVERAGE = [(17.984 × 54%)/100] + [(18.985 × 32%)/100] + [(19.982 × 14%)/100]
= 9.71136 + 6.0752 + 2.79748
= 18.58
Therefore, the average atomic mass of the isotope is 18.58 amu
Petroleum is a mixture of many alkanes. The alkanes are separated and purified at oil refineries. What process decribes what happens in an oil refinery?
Answer:
Fractional distillation
Explanation:
The process of separating petroleum products into its fractions is called fractional distillation.
Fractional distillation is a method of separating a mixture of substances based on the differences in their boiling points.
Petroleum is a mixture of hydrocarbons separated in a large fractionation tower having many trays maintained at different temperatures.
As the vapor containing the petroleum mixture ascends the fractionation tower, the mixture is separated at each tray to yield the various fractions of petroleum.
How do magnets move objects?
Answer: Magnets have a force which is known as no contact force. This force tries to attract the metallic objects near it, which makes it move.
Explanation:
Step 9: Measure Pressure and Volume with the Book and 4 kg of Weight Total the mass on the syringe. Record it in the correct row of the data table. kg
Answer:
498 g
0.498 kg
Explanation:
Answer:
4.498 kg
1.47
35.0
51.5
Explanation:
in sublimation which state of matter is absent
sublimation is the transition of a substance directly from the solid to the state without passing through the liquid state
what is light energy
Answer:
Light energy is a form of electromagnetic radiation. Light consists of photons, which are produced when an object's atoms heat up.
Explanation:
Answer:
Light energy is a kind of kinetic energy with the ability to make types of light visible to human eyes. Light is defined as a form of electromagnetic radiation emitted by hot objects like lasers, bulbs, and the sun. Light contains photons which are minute packets of energy.
Explanation:
hope it's helpful for you.
7. C2H4O2 is what? vinegar
Answer:
Yes its vinegar
Explanation:
Actually [tex] \bold{\red {C_2H_4O_2}} [/tex] is the formula for acetic acid which is found in vinegar.
Please help! I will give brainliest.
Need Help Asap How do islands form
Explanation:
An island is formed when magma builds up and breaks the ocean's surface. In some cases, like the island of Hawaii, land masses merge together. ... For many volcanoes, formation can take thousands of years, though some volcanic islands can sometimes appear quite suddenly
Answer:
As volcanoes erupt, they build up layers of lava that may eventually break the water's surface. When the tops of the volcanoes appear above the water, an island is formed.
Explanation:
Pascal’s Law states that when pressure is applied from an outside source to a contained fluid, the force is
a. transferred through the liquid in a single direction
b. transferred through the liquid in the opposite direction
c. transferred unequally through the liquid in all directions
d. transferred equally through the liquid in all directions
Answer:
a
Explanation:
Answer:
a.....................
Is hydrogen bond an attraction between polar molecules
Answer:
No because if there was an attraction hydrogen would not do it's function
Do number 5 vote you brainlest thanks
Answer:
DNA
Explanation:
because genetics come from DNA
PLSSSSSS HELPPPPPPP FAST WILL GIVE BRAINLIEST I NEED A 3 PARAGRPAH ESSAY ON THIS SCIENCE ARTICLE!! INTRODUCION BODY AND CONCLUSION EACH PARAGRAPH 5 SENTENCES OR MORE!!!!!!
Answer:
jst do the work
Explanation:
its not complicated,ask your teacher for help
If I react 4.2mol N2 with H2, how many moles of NH3 would I produce?
Answer:
first balance the reaction
n2 + 3h2 --> 2NH3
then you have your ratios
so for every mole of N2 you get 2 NH3
so 8.4mol is your answer
Explanation:
What is the concentration of a solution containing 2.4 mol of NaCl dissolved in 3.0L of water?
Answer:
0.500 liters
Explanation: