What is the CATHODE half-reaction for the cell
Cu(s)—> Cu2+ (aq)||Ag+ (aq)|Ag(s)?

Answer:

Explanation:

Molar mass of Lithium is 6.9410 g/mol.

This means 1 mol of Li atoms weigh 6.9410 g

In 1 mol 6.022 x 10 ^ 23 atoms should be present

So, in 6.9410g , there should be 6.022 x 10 ^ 23 atoms.

So weight of 1 atom = a =  6.9410  g / (6.022 x 10^ 23)

To find weight of 3.25 x 10 ^ 24 atoms we have to multiply a by 3.25 x 10^ 24

So you will get the answer as

[6.9410  g / (6.022 x 10^ 23)]   x 3.25 x 10^ 24

= 37.46 g

Answer:

Very High melting and boiling points.

Very Good Conductors of heat and electricity.

Malleable (can be made into different shapes without breaking)

Ductile (can be molded into wiring)

Explanation:

Answer:

Very High melting and boiling points

Very Good Conductors of heat and electricity

Malleable (can be made into different shapes without breaking)

Ductile (can be molded into wiring)

Metallic luster (shiny)

Sometimes magnetic

Explanation:

Answer:

El sistema Dry-Fit funciona transportando la humedad a la superficie de la prenda, facilitando su evaporación. Comúnmente se utilizan materiales como el poliéster o microfibras de materiales sintéticos, ya que no absorben líquidos.

Explanation:

espero que te sirva

The order of increasing ionic property is;

WO3 < ZrS2 < MnS2< ZnS < MnS

Ionic compounds are compounds that contain an ion pair. Typically, ionic compounds are formed between metals and nonmetals.

The degree of ionic character depends on the type of metal involved and the magnitude of charge it carries.

Typically, first row transition metals form ionic compounds. The degree of ionic character depends on the row in which the metal is found and the magnitude of charge it carries.

Hence, the order of ionic character of the compounds from most ionic to least Ionic is; WO3 < ZrS2 < MnS2< ZnS < MnS.

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Answer:

D

Explanation:

It means entry by force.

Answer:

A hydrogen bond is a primarily electrostatic force of attraction between a hydrogen atom which is covalently bound to a more electronegative atom or group, and another electronegative atom bearing a lone pair of electrons..

(refer the image)

Explanation:

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Answer:400

Explanation:

20x20

P(momentum)= mxv

Mass times velocity = momentum

Answer:

Characteristics such as melting point, boiling point, density, solubility, color, odor, etc. are physical properties. Properties that describe how a substance changes identity to produce a new substance are chemical properties. ... Physical and chemical properties can be used to classify a substance as ionic or molecular.

Answer

0.16574

Explanation:

because why not

Answer:

Carbon-14

Explanation:

It's carbon, because the element has 6 proton.

It's not an ion, because there are same number of proton and electron 6=6

It is carbon-14 because 6 proton + 8 neutron = 14

Answer:

what queastiion

Explanation:

Answer:

what is the question

Explanation:

...

Answer:

C!

Explanation:

when water is boiling the water particles will give each other more space and will then be turned into a gas :)

Answer:

The change in energy for a chemical reaction has to do with the potential energy of the electrons. The change in energy for a nuclear reaction has to do with the potential energy of the nucleus. The change in energy for a nuclear change is many orders of magnitude larger than for a chemical change.

The statement that describes both nuclear and chemical changes occur is "potential energy."

Nuclear reactions include a change in the nucleus of an atom, which usually results in the production of a different element. Chemical reactions, on the other hand, require just electron rearrangement and no changes in nuclei.

A nuclear reaction is any reaction that causes the nucleus of an atom to change. An atom's nucleus is made up of protons and neutrons. It seems to reason that a nuclear reaction alters the amount of protons and/or neutrons in an atom.

Chemical changes occur when bonds between molecules or atoms are broken and/or formed to form a new material. In this case, the new substances' qualities differ from the old, the particles differ, and the number of particles can alter.

The change in energy for a nuclear change is many orders of magnitude greater than the change in energy for a chemical change.

Learn more about nuclear and chemical change here

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Answer:

H2O is the name of this molecule and it is water

True. I am always sad but my heart is always happy cuz it knows there are good things ahead

Answer:

C3H8(g) + 5O2(g) = 3CO2(g) + 4H2O(g)

Explanation:

Answer:

0.179254 kilocalories

Explanation:

divide the energy value by 4184

[tex]0.179254[/tex] that would be your answer

Answer:

1.135986935e+39

Answer:

[tex]\boxed {\boxed {\sf 4.60 \times 10^{23} \ atoms \ Mg}}[/tex]

Explanation:

We are asked to find how many atoms of magnesium are in 0.764 moles of magnesium.

We convert moles to atoms using Avogadro's Number or 6.022 × 10²³. This is the number of particles (atoms, molecules, formula units, etc.) in 1 mole of a substance. In this case, the particles are atoms of magnesium. So, there are 6.022 × 10²³ atoms of magnesium in 1 mole of magnesium.

Convert using dimensional analysis and set up a conversion factor using Avogadro's Number.

[tex]\frac{6.022 \times 10^{23} \ atoms \ Mg}{1 \ mol \ Mg}[/tex]

We are converting 0.764 moles of magnesium to atoms, so we multiply by this value.

[tex]0.764 \ mol \ Mg *\frac{6.022 \times 10^{23} \ atoms \ Mg}{1 \ mol \ Mg}[/tex]

The units of moles of magnesium cancel.

[tex]0.764 *\frac{6.022 \times 10^{23} \ atoms \ Mg}{1 }[/tex]

[tex]0.764 *6.022 \times 10^{23} \ atoms \ Mg[/tex]

[tex]4.600808 \times 10^{23} \ atoms \ Mg[/tex]

The original value of moles (0.764) has 3 significant figures, so our answer must have the same. For the number we calculated, that is the hundredth place. The 0 in the thousandth place tells us to leave the 0 in the hundredth place.

[tex]4.60 \times 10^{23} \ atoms \ Mg[/tex]

0.764 moles of magnesium contains approximately 4.60 × 10²³ atoms of magnesium.

Answer:

Yes, Because the dishes that are unwashed have the most bacteria while the soap & water dish has the least bacteria.

Explanation:

Hope this help

Answer:

There are 4 Hydrogen atoms in the compound NH42CO3

Explanation:

The "H4" is used to represent the amount of Hydrogen atoms in the compound itself, which is 4.

Answer:

A. 8

Explanation:

For this to be a neutral atom there has to be the same amount of protons and neutrons.

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Answer:

True I think so

Explanation:

I have asked question in my profile please tell me the answer

Answer:

Hydrogen and oxygen

Explanation:

Hydrogen

2 × atomic number = 2

atomic mass = 1.008 amu

Oxygen

2 × atomic number = 16

atomic mass = 15.999 amu

Answer:

"They can be reversed by physical changes."

Explanation:

A chemical change can form a new substance, can be detected by the change in color and they have properties different from their starting materials.

Tin has electron configuration [Kr] 5s²4d¹⁰5p² and it is not a transition element because its outermost orbitals are 5s² 5p². It has oxidation states of +2 and +4.

The electron configuration of tin is [Kr] 5s²4d¹⁰5p². The electronic structure of an atom shows the arrangement of electrons in the atom of an element. The electrons are arranged in sub-shells.

Tin is not a transition metal because it has a completely filled d sub-shell and  its outermost shell consists of ns, np orbitals.

Tin looses its electrons in pairs. Remember that the outermost orbitals are  5s² 5p². This means that tin can have two stable oxidation states, +2 and +4.

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