Answer:
The convection zone :)
Which of the tests would involve a chemical change in the mineral?
hmmm water
Explanation:
Water can change if you put food coloring
in it
Look at the Recording station detector on the upper left side of the Gizmo. What happens when the seismic waves hit the recording station?
Answer:
I don’t know what recording station you’re referring to but, When seismic waves reach the seismograph, a graphical record, or seismogram, is produced
Explanation:
The seismic waves hitting the recording station has been resulted in the seismograph, that has been evident of the earthquake.
The seismic wave has been the radiation, with the result of the movement of the earth surface. The movement has been result in the earthquake.
The intensity of the earthquake has been measured by seismograph on the Richter scale. The seismic wave results in the movement of the leads to the production of the seismograph.
The seismic waves hitting the recording station has been resulted in the seismograph, that has been evident of the earthquake.
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Which of the following correctly completes the statement?
Cations are always _____ than the parent atom and anions are always _____ than the parent atom.
Answer: smaller, larger
Explanation:
Cations are always {smaller} than the parent atom. Anions are always {larger} than the parent atom.
Cations are always smaller than the parent atom, and anions are always greater than the parent atom.
What is parent atom ?The term "parent atom" refers to an atom that has not yet undergone any chemical transformation. A parent atom is one that is discovered in its initial state.
Because they contain fewer electrons while maintaining the same nuclear charge, cations are always smaller than their parent atoms. Because the protons in the nucleus are holding the remaining electrons more tightly, their radii are less than those of the parent atoms. In the case of anion, this is the opposite.
Due to variations in electron-electron repulsion, the ionic radii of cations and anions are always less or bigger than the parent atom, respectively. The trends in ionic radius follow those in atomic size.
Thus, Cations are always smaller than the parent atom, and anions are always greater than the parent atom.
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Which of the following actions will not increase the rate at which a solid dissolves in
a liquid?
using smaller particles of the solid
O lowering the temperature of the system
O increasing the surface area of the solid
stirring the solid and the liquid
Answer:
O lowering the temperature of the system
Why is it important to possess fundamental research skills in pursuing your study?
Answer:
Research Skills enable people to identify a problem, collect informational resources that can help address the problem, evaluate these resources for quality and relevance and come up with an effective solution to the problem.
Explanation:
It is important because it might increase you critical thinking skills and it's much more easy for you to collect data. It also helps you analyze information from different sources off the internet.
In the formation of an ionic compound a metal atom is most likely to __________ valence electrons
Answer:
To lose valence electrons.
Explanation:
can anyone tell me "what are the exceptions of law of reciprocal proportions??"
the basic fact that determines molecular shapes is that
Answer:
The shape of a molecule is mostly determined by repulsion among the pairs of electrons around a central atom.
How many grams of hydrogen are needed to fully react 621. 9 grams of nitrogen gas.
Answer:
9 grams of nitrogen gas
Explanation:
I need help with this
Who know the answers for both of these or know were to get them from
Answer:
kdkekejdjejeneneenendjenejekeke do do do do do do d
Answer:
go ahead bro
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How many electrons does an alpha particle contain
Sulphuric acid (H2SO4) is titrated against 25.00cm3 of 0.200 mol/dm3 Sodium hydroxide solution (NaOH). It is found that 23.20 cm3 of sulphuric acid is required for neutralization. Calculate the concentration of Sulphuric acid
đơn chất nào sau đây tác dụng với dung dịch axit sunfuric loãng sinh ra khí ?
a đồng
b cacbon
c nhôm
d lưu huỳnh
Answer:
C. Al
Explanation:
2Al+ 3H2SO4(l)------> Al2(SO4)3+ 3H2
Don't really understand the question
Answer:
Did they mean those diagrams are the salt or what?
Do all particles pass right through the atoms undeflected?
AnswereYs
Explanatioynt:Yes
Heavy rains fill a reservoir, causing the dam that holds the water to break. As a result, the areas downstream are suddenly flooded. Which question would a
scientist seek to answer?
A. What will be the long-term effect of the flood on the plants and
animals in the area?
B. Who was responsible for the design flaw in the dam?
C. What changes in regulations are needed to prevent future dam
failures?
D. How much money should be spent to ensure dam safety?
What’s boiling/melting point
Answer:
Melting point is the temperature at which solid and liquid phases of a substance are in equilibrium.
Boiling point is the temperature at which its vapour pressure is equal to the external pressure.
Answer:
melting point is the temperature at which a solid changes into a liquid.
boiling point, temperature at which the pressure exerted by the surroundings upon a liquid is equaled by the pressure
Explanation:
how many moles are present in 10.0 grams of sodium hydroxide
Answer:
0.25
Explanation:
no.of moles =10/40
A Rectangular Prism has a height of 4cm, a width of 5cm, a length of 1.2 cm, and a mass of 85,000 g. What is it's density?
A. .00000035416 g/cm3
B. 00035416 g/cm^3
C. 354.16 g/cm^3
D. 3541.6 g/cm
Answer:
The answer is D.
Explanation:
Volume (V) = l x w x h
V = 4 x 5 x 1.2
V = 20 x 1.2
V = 24
Density = Mass/Volume or D = M/V
D = 85,000/24
D = 3541.66666666
carbon reduction process is not applied for extraction of alkali metal . why ?
Answer:
The alkali metals are the highly electropositive metals. Highly electropositive metals cannot be extraction carbon reduction process, because these metals do not react with carbon
Explanation:
Kinda confused on this. i need some help.
Based on their definitions, electron affinity could be considered the opposite of
Based on their definitions, electron affinity could be considered the opposite of electron affinity. This is the force required to remove an electron from an atom while it is gaseous, or the propensity of an atom to lose electrons.
What is meant by electron?The electron is a subatomic particle with a negative one elementary charge electric charge. Due to their lack of components or substructure, electrons, which are part of the lepton particle family's first generation, are typically regarded to be elementary particles.
An electron is a negatively charged subatomic particle that can exist either free or bound to an atom (not bound). Along with protons and neutrons, electrons are one of the three primary types of particles that make up an atom. Together, protons, neutrons, and electrons make up the atom's nucleus.
This is the force required to remove an electron from an atom while it is gaseous, or the propensity of an atom to lose electrons. Conceptually, this is the polar opposite of electron affinity.
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The answer would be ionization energy
MARKING BRAINLIEST :)
Which property has a trend similar to that of electronegativity?
A. First ionization energy
B. Atomic radius
C. Ionic radius
D. Atomic mass
Answer:
a
Explanation:
There are various kind of elements that are present in periodic table. Some elements are harmful, some are radioactive, some are noble gases. Therefore, the correct option is option A.
What is periodic table?Periodic table is a table in which we find elements with properties like metals, non metals, metalloids and radioactive element arranges in increasing atomic number.
Periodic table help a scientist to know what are the different types of elements are present in periodic table so that they can discover the new elements that are not being discovered yet.
Along period, electronegativity increases. along group electronegativity decreases. The same trend is followed by first ionization energy in periodic table.
Therefore, the correct option is option A.
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(Boost your knowledge questions)
1. Can you light Diamond on fire?
2. What is the difference between a Chemical Process and a Physical Process?
3. How many electrons fit in each shell around an atom?
Answer:
a) Diamond can indeed be set on fire since it is made of carbon. ... Although diamond requires a higher temperature to burn, it does indeed burn via normal carbon combustion. You can even burn diamond in a regular flame if you are patient and conditions are right.
b) In a physical change the appearance or form of the matter changes but the kind of matter in the substance does not. However in a chemical change, the kind of matter changes and at least one new substance with new properties is formed. The distinction between physical and chemical change is not clear cut.
c) Each shell can contain only a fixed number of electrons: The first shell can hold up to two electrons, the second shell can hold up to eight (2 + 6) electrons, the third shell can hold up to 18 (2 + 6 + 10) and so on. The general formula is that the nth shell can in principle hold up to 2(n2) electrons.
MARK ME AS A BRAINLIST PLZ
What causes streams to form?
O absorption
O precipitation
O glaciers
O lakes
Answer: essay the answer is B: precipitation
Explanation:
THIS IS DUE LIKE REALLY SOON I RLLY NEED HELP :,)
Word Equation for Magnesium reacting with Iron Chloride
Answer:
3Mg+2FeCl3------------3MgCl2+ 3Fe
9) What is the final pressure in the container shown below after the valve is opened and the gases are allowed
to flow? (The gases do not act)
0
4.00 am
3.00
NE
2.00 am
2.00 L
A 3.00-L container with O₂ at 4.00 atm is connected to a 2.00-L container with Ne at 2.00 atm, resulting in a final pressure of 3.20 atm in the container.
We have 2 containers connected by a valve.
One container has a volume of 3.00 L and contains O₂ at 4.00 atm. The other container has a volume of 2.00 L and contains Ne at 2.00 atm.
When the valve is opened, the total volume is the sum of the 2 containers.
[tex]V_2 = 3.00 L + 2.00 L = 5.00 L[/tex]
Assuming constant temperature and ideal behavior, we can calculate the final pressure of each gas using Boyle's law.
O₂
[tex]P_1 \times V_1 = P_2 \times V_2\\\\P_2 = \frac{P_1 \times V_1}{V_2} = \frac{4.00atm \times 3.00L}{5.00L} = 2.40atm[/tex]
Ne
[tex]P_1 \times V_1 = P_2 \times V_2\\\\P_2 = \frac{P_1 \times V_1}{V_2} = \frac{2.00atm \times 2.00L}{5.00L} = 0.800atm[/tex]
The final pressure in the container will be the sum of the final pressures of the gases.
[tex]P = 2.40 atm + 0.800 atm = 3.20 atm[/tex]
A 3.00-L container with O₂ at 4.00 atm is connected to a 2.00-L container with Ne at 2.00 atm, resulting in a final pressure of 3.20 atm in the container.
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how long does it take to rehydrate after being dehydrated
Answer:
up to 120 minutes to digest water and rehydrate your body
