Metals are known to be more malleable and ductile than ionic and covalent compounds because the electrons in metals are shared among all of the metal atoms in the sample, forming an electrons "sea" surrounding the metal ions.
A "sea" of shared electrons surrounds the metal ions in a metallic composition composed of all metal atoms. This electron sea is assumed to be responsible for several of metals' distinctive features, including strong conductivity, malleability, and ductility.
Because of the electron sea in a metallic body, metal ions can readily pass by one another and twist the metal without breaking it. The strong chemical connections that hold ionic and covalent compounds together, on the other hand, make it more difficult to change them without rupturing the bonds. Ionic and covalent compounds are less ductile and malleable than metals because of this.
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Name the gases that mostly compose the atmosphere.
O Argon and Carbon Dioxide
O Oxygen and Carbon Dioxide
Oxygen and Nitrogen
Carbon Dioxide and Nitrogen
Explanation:
Oxygen and Nitrogen. is the correct pair.
What is the Great Red Spot on Jupiter?
Answer:
The Great Red Spot is a storm in Jupiter's southern hemisphere with crimson-colored clouds that spin counterclockwise at wind speeds that exceed those in any storm on Earth. The Great Red Spot has slowly changed over the years, and is currently about 1.3 times as wide as our planet.
El mercurio ha sido utilizado como elemento para medir la temperatura porque Es una mezcla. Al aumentar la temperatura se dilata con facilidad. Es un buen conductor del calor. Es un buen conductor de la electricidad.
Answer:
La respuesta correcta es: Al aumentar la temperatura se dilata con facilidad
Explanation:
El mercurio (Hg) es un elemento metálico que a temperatura ambiente es un líquido. Tiene la propiedad de dilatarse con facilidad al aumentar la temperatura, propiedad que ha sido utilizada en los termómetros de mercurio. En estos termómetros, el mercurio está dentro de un tubo de vidrio graduado con un bulbo para transmitir el calor. Al estar en contacto con un cuerpo más caliente (a mayor temperatura), el mercurio del interior del termómetro se dilata (expande su volumen) y asciende por el tubo indicando la temperatura correspondiente, graduada en el vidrio.
6 a What does the sacrificial protection of iron mean?
b Both magnesium and zinc can be used for it. Why?
c But copper will not work. Explain why.
Explanation:
A-Corrosion
B- Magnesium helps ur body regulates its zinc levels and zinc absorbs into absorbs magnesium more efficiently
Cells in different tissues or organs (skin, eye, bone, etc.) contain different DNA. true or fasle,?
Answer:
false
Explanation:
trust
Answer:
True
Explanation:
Because they require different things and have different functions
what is 606 as a 2 sig fig answer?
6, 0
thats the answer, i hope it helps
How many meters are in 65 millimeters?
Answer:
0.065 meters
Explanation:
Answer:
Start by dividing the length value by 1000, so that would be
65 / 1000 = 0.065 meters
how many moles of water is 5.02 x 10 18 molecules of water
Answer:
8.334×10^-6 moles
Explanation:
a mole is 6.023×10^23
5.02×10^18 ÷ 6.023×10^23=8.33×10^-6
so there are 8.33×10^-6 moles of water in 5.02x10^18 molecules of water
The number of moles of water in which 5.02 × 10¹⁸ molecules of water is present is 8.33 × 10⁻⁶.
What is moles?
Moles is a unit which is used to tells about the quantity of any substance, in one moles of any substance 6.023 × 10²³ number of atoms of that substances are present.
In 1 mole of water = 6.023 × 10²³ number of molecules of water is present
So, number of 5.02 × 10¹⁸ molecules of water present in how many moles will be calculated as:
Required moles = 5.02 × 10¹⁸ / 6.023 × 10²³ = 8.33 × 10⁻⁶
Hence, required moles is 8.33 × 10⁻⁶.
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Calculate the molecules in 9.78 moles of oxygen gas
Calculate the number of grams in 2.44e26 molecules of carbon dioxide, CO?
How many atoms are in 3.73e-2 moles of potassium
How many moles are in 11.8 grams of Barium?
Calculate the number of particles in 43.2 grams of N2O
The chemical formula for aspirin is C9H8O4. What is the mass in grams of 0.60 moles of aspirin
Answer:
i am quite unsure what you want me to answer but if you explain it to me w ould live to help
Explanation:
How does the heart keep the blood flowing throughout the body?
It contracts and relaxes
It inflates and deflates
It inhales and exhales
It opens and closes
Answer:
b
Explanation:
Answer:
It contracts and relaxes awnser is a
Explanation:
im from flvs
What is the mass in grams of the following measurements? 1.00 mol Al ___________ 6.02 x 10 23atoms Al ___________
Answer:
Mass of 1 mole of Aluminium = Mass of 6.02 x 10 23atoms of Aluminium = 26.98 grams.
Explanation:
1 mole of any element or molecule has 6.02 x 10 23atoms or subparts.
Hence 1 mole of aluminum will also have 6.02 x 10 23atoms. Hence, it is clear that mass of 1 mole of Aluminium will be equal to 6.02 x 10 23atoms of Aluminium.
Thus,
Mass of 1 mole of Aluminium = Mass of 6.02 x 10 23atoms of Aluminium = 26.98 grams.
I NEED HELP PLEASE THANK YOUUU
I think the answer is c if not then try a
Answer: B
Explanation:
Can someone please help
Answer:
1. c) shiny
2) True. Reactivity is a chemical property.
1. A metal is shiny
2. yes
that's all
PLEASE HELPPP WILL GIVE BRAINLIEST!!!
Answer:
placental mammals
Explanation:
Answer:
B) placental mammals
Explanation:
Rank from largest to smallest equilibrium constant. To rank items as equivalent, overlap them KBr2, KCl2, KI2
Answer:
KCl[tex]_{2}[/tex], > KBr[tex]_{2}[/tex], > KI[tex]_{2}[/tex]
Explanation:
KBr[tex]_{2}[/tex], KCl[tex]_{2}[/tex], KI[tex]_{2}[/tex]
The equilibrium constant for the reaction between Alkene and Halogen to give Alkyl halide as a product
Keq = [tex]\frac{[C2H4X2 ]}{[C2H4 ][ X2]}[/tex]
hence the order of equilibrium from the Largest to the smallest equilibrium
= KCl[tex]_{2}[/tex], > KBr[tex]_{2}[/tex], > KI[tex]_{2}[/tex]
6. A container has a volume of 53.9 L. Assuming it is at STP, how many moles of gas particles does it contain?
Answer:
2.41 mol
Explanation:
53.9 L x 1 mol/22.4 L = 2.41 mol
Describe the difference between a flask, beaker, and graduated cylinder.
How does the purpose of each differ?
Answer:
Both graduated cylinders and beakers are pieces of laboratory glassware that have a specific function. Graduated cylinders typically are more accurate at reading the volumes of the liquid inside. Beakers are better for stirring and mixing liquids.
Flasks are notable for their unique shape: a rounded vessel and a cylindrical neck. The main differing characteristic between a flask and a beaker is that beakers have straight sides, rather than slanted sides like a flask. Beakers are mainly for measuring and transporting liquids from one site to the next.
Explanation:
hope this helps!!!!
What is the answer to this?
the answer is A.
the scientist used mud and vinegar to make a model of the volcano.
1. Determine the pH of the following solutions:
a. 1 x 10-3 M HCI
please refer to the attachment
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Answer:
HCI is a strong acid : HCI -> h^+ + CI^- [ H^+ ] = 1.0 x 10 ^-3 -> pH = -log[ H^+ ] = -log 10 ^-3 = 3
Explanation:
read the given chemical reaction c2h6 +o2 --> co2 +h20 how many moles of co2 are produced during the complete combustion of 3.6 moles of c2h6? 1.8 moles 4.4 moles 7.2 moles 9.2 moles
Answer:
c) 7.2 moles
Explanation:
7.2 moles of [tex]CO_2[/tex] are produced during the complete combustion of 3.6 moles of [tex]C_2H_6[/tex]. Hence, option C is correct.
What are moles?A mole is defined as 6.02214076 ×[tex]10^{23}[/tex]
of some chemical unit, be it atoms, molecules, ions, or others. The mole is a convenient unit to use because of the great number of atoms, molecules, or others in any substance.
Balance your chemical reaction first.
[tex]2C_2H_6 + 7O_2[/tex] —> [tex]4CO_2 + 6H_2O[/tex]
2 moles of [tex]C_2H_6[/tex] produce 4 moles of [tex]CO_2[/tex].
So, 3.6 moles of [tex]C_2H_6[/tex] produce= (4÷2)x3.6 =7.2 moles
Hence, 7.2 moles of [tex]CO_2[/tex] are produced during the complete combustion of 3.6 moles of [tex]C_2H_6[/tex].
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Calculate the molarity 14.1 moles of FeCl3 dissolved in 2350 ml of solution
The hot liquid substance that is inside the earth is referred to as lava or magma?
Answer:
magma
Explanation:
i did a test on it
The hot liquid substance that is inside the Earth is referred to as magma.
If this is incorrect, please, don't refrain to tell me. Thank you.
A sample of oxygen gas occupies a volume of 250 mL at .8 atm of pressure. What volume will it occupy at 1.2 atm of pressure?
What happens with electrons in a non-polar bond?
Brainliest!!!!!!!
Answer:
In a nonpolar covalent bond, the atoms share electrons equally with one another.
Explanation:
Nonpolar covalent bonds are a type of bond that occurs when two atoms share a pair of electrons with each other. These shared electrons glue two or more atoms together to form a molecule.
In an effort to sanitize his water, Beethoven knows that bromine can be used to purify water. If Beethoven has 2.12 x 1022 formula units of aluminum bromide are reacted with excess chlorine gas, how many milliliters of liquid bromine (density = 3.12 g/mL) are formed?
Answer:
2.7 mL
Explanation:
The equation of the reaction is;
2AlBr3 + 3Cl2 -----> 2AlCl3 + 3Br2
Number of moles in 2.12 x 1022 formula units of aluminum bromide
1 mole of AlBr3 = 6.02 * 10^23 formula units
x moles = 2.12 x 1022 formula units
x = 2.12 x 1022 formula units * 1 mole/ 6.02 * 10^23 formula units
x = 0.0352 moles of AlBr3
According to the reaction equation;
2 moles of AlBr3 produces 3 moles of Br2
0.0352 moles of AlBr3 produces 0.0352 moles * 3 moles /2 moles
= 0.0528 moles of Br2
Mass of Br2 produced = 0.0528 moles of Br2 * 159.808 g/mol
Mass of Br2 produced = 8.44g
But density = mass/volume
volume = mass/density
volume of Br2 = 8.44 g/ 3.12 g/mL
volume of Br2 = 2.7 mL
Calculate the volume of 150kg of chlorine gas at room temperature and pressure. The volume of one mole of gas at room temperature and pressure is 24.0dm^3. Relative formula mass (Mr): Cl2=71
Answer:
Given mass 150 kg= 150000 gram
molar mass 71 gram
number of moles = given mass/molar mass
= 2112.76 moles
1 mole = 24 Dm³
2112.76 mole =24×2112.76= 50706.24 Dm³
The volume of the mole of gas at room temperature and pressure is 50,704.08dm³
We need to first calculate the number of moles of Chlorine gas (Cl₂)
Number of moles = Mass/Molar mass
Given the following parameters
The molar mass of Cl₂ = 71g/mol
Mass of chlorine gas = 150kg = 150,000g
Get the number of moles
[tex]n=\frac{150,000}{71}\\n=2,112.67moles\\[/tex]
Given that volume of 1 mole at STP = 24.0dm³
2112.67 moles = x
Get the volume of the chlorine gas at STP.
Volume of Cl₂ at STP = 24 × 2112.67
Volume of Cl₂ at STP = 50,704.08dm³
Hence the volume of the mole of gas at room temperature and pressure is 50,704.08dm³
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Read the temp what is it?
What is the H 2 : H2O molar ratio?
Answer:
The ratio of hydrogen atoms to oxygen atoms used to make water molecules is always 2:1, no matter how many water molecules are being made.
Explanation:
How are hydrogen atoms arranged in ethene? in -different planes, separated by angles of 180° in -the same plane, separated by angles of 120° in -the same plane, separated by angles of 1800 in -different planes, separated by angles of 1200
Answer:
Explanation:
How best to demonstrate the equivalence of hydrogens in
H 2 C = C H 2 ?
1 H NM R spectroscopy would be the best way to show this. The 4 hydrogens give the one signal.
Explanation:
Which phrase best describes an individual organ?
O A. The simplest unit of life
O B. Made of different kinds of tissues
C. Made of one kind of cell
O D. Meets all the needs of an organism
Answer:
made of different kinds of tissues
Explanation:
cause that's the only one that makes sense because it goes: cell, tissues,organ,organ system , organism
1. the simplest unit of life - cell
2. a individual organ - would be made of different kinds of tissues
3. tissues - would be made of one kind of cell
4- an organ system - meets all the needs of a organism
also it wouldn't make sense for a individual organ to be made of only one kind of cell so yeah
good luck :) I hope this was right