Answer:
Free electrons
Explanation:
Graphite conducts heat in a similar way to metals because it contains free electrons.
Conductivity is arised from the delocalization of free electrons. Metals are electron rich and conduct thermally and electrically. Graphite conducts heat in a similar way because it contain delocalized electrons.
What is graphite?Graphite is an allotrope of carbon as diamond and fullerenes. Graphite exhibits a layered helical structures in which the carbon atoms are arranged in a hexagonal fashion.
Substances conduct electricity and heat when they are rich in electrons and are mobile to pass through it. Metals are electropositive and they contains extra electrons which can be delocalized between orbitals or energy levels.
This delocalization of electrons results in an a thermal or electrical current in the substance. Carbon is in sp2 hybridisation in graphite. Where, the electrons can transit from one layer to the other in the layered structure.
Therefore, the presence of delocalized electrons make graphite conducting.
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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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density is 6g/mL and volume is 40 mL what is the mass
Answer:
240g
Explanation:
Using the equation m=pV, where m=mass, p=density, and V=Volume
m=(6)(40)=240
m=240
write True If the statement Is Correct And False If Not
Answer:
11.false12.true13.true14.false15.true16.false17.false18.false19.true20.false21.PC22.CC23.PC24.CC25.CCExplanation:
I think it is helps youSulphuric 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
Don't really understand the question
Answer:
Did they mean those diagrams are the salt or what?
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:
When a substance is heated ,the kinetic energy of its molecules
Answer:
When a substance is heated ,the kinetic energy of its molecules also increase.
Explanation:
K.E is directly proportional to T
Word Equation for Magnesium reacting with Iron Chloride
Answer:
3Mg+2FeCl3------------3MgCl2+ 3Fe
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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One of the few resources on Mars is
Answer:
iron .. titanium.. nickel....aluminum... sulfur... and calcium
Some copper is palced in a previouly weighted crucible and reweighed .
Mass of crucible + copper = 5.92g
Mass of crucible = 4.65g
Clculate the mass of copper used in the experiment
We can find the mass of copper by finding the difference between the mass of the crucible and the copper, and just the crucible. This is possible since the mass that is left would be attributed to just the copper.
Mass of copper = (Mass of crucible + copper) - Mass of crucible
= 5.92 g - 4.65 g
= 1.27 g
how long does it take to rehydrate after being dehydrated
Answer:
up to 120 minutes to digest water and rehydrate your body
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 does Bone Marrow Donor Program work?
Name some diseases that can be cured by bone marrow transplant.
What is Donors’ Registry Program?
noooooooooooooooooooooo
can anyone tell me "what are the exceptions of law of reciprocal proportions??"
What causes streams to form?
O absorption
O precipitation
O glaciers
O lakes
Answer: essay the answer is B: precipitation
Explanation:
Carbon tetrachlordie (CCI4) is ___
A. iconic
B. Covalent
Answer:
b
Explanation:
What is the mass of phosphorus that contains twice the number of atoms found in 14
g of iron?
[Relative atomic mass : P = 31; Fe = 56]
Answer:
15.5 gm
Explanation:
What is the mass of phosphorus that contains twice the number of atoms found in 14 g of iron?
[Relative atomic mass : P = 31; Fe = 56]
14 gm Fe = 14gm/ 56 gm/mole = 14 mole gm/56gm = 14/56 mole
0.25 moles
2 X 0.25 = 0.5 moles
1 mole P = 31 gm
so
0.5 moles P =31/2 =15.5 gm
a brief description of atoms and how they relate to
molecules and compounds
Answer:
Explanation:
Atoms are the thing that make up molecules and compounds. Molecules contain two or more atoms and are held together by covalent bonds
balance CHCl3 + O2 = CO2 + H2O + Cl2
Answer:
2CHCl3 + 5/2 O2 => 2CO2 + H20 + 3Cl2
Explanation:
Left Hand Side(LHS)
We have CHCl3 and O2
Right Hand Side(RHS)
We have CO2, H2O and Cl2
Balancing
To make sure that they have same values, put 2 before CHCl3 giving 2CHCl3 and 3 on Cl2(RHS) for chlorine gas giving 3Cl2
H2O remains the same
Before CO2 put 2 giving 2CO2
To make sure that oxygen is balanced put 5/2 before it. This gives 5/2 O2 (2 cancels out don't worry)
Combining all;
2CHCl3 + 5/2 O2 => 2CO2 + H20 + 3Cl2
I hope this helps. Have a nice studies.
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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how many moles are present in 10.0 grams of sodium hydroxide
Answer:
0.25
Explanation:
no.of moles =10/40
What gas in our atmosphere is thought to have come from plants and algae alone?
Answer:
Oxegen
Explanation:
All that oxygen has to come from somewhere. You might already know that it comes from photosynthetic organisms like plants.
Do all particles pass right through the atoms undeflected?
AnswereYs
Explanatioynt:Yes
c) ¿Qué ocurriría si tenemos disueltos 200 g de
nitrato de potasio en 300 g de agua a 60°C
y enfriamos la disolución hasta los 10 °C?
suitable electrolytes for fuel cells
Answer:
Alkaline fuel cells use an alkaline electrolyte such as potassium hydroxide or an alkaline membrane that conducts hydroxide ions rather than protons.
Explanation:
OR USE GATORADE AND POWERADE. BE A MAN.
How might a molecule have a very strong molecular dipole?
Answer:
When you make the electronegativities of A(Positive partial charge) and C (Negative Partial charge) less and have B with a strong electronegativity to create a very strong molecular dipole. ... Both molecules possess strong molecular dipoles.
The electron configuration for Helium (He) is shown below.
1s2
Which diagram shows the correct distribution of electrons in the electron shells of a helium atom?
Answer:
3rd image
Explanation:
Please help I will give brainliest ;3
Answer:
oxygen, carbondioxide
carbondioxide, oxygen
Help with this question which I attached a picture of
[tex]\huge\underline\mathtt\colorbox{cyan}{A. Element L}[/tex]
Explanation:
Because the unidentified element has exactly the same Bright-Line Spectra of wavelength in nanometeres as does element L.
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