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Blababa [14]
3 years ago
11

What is the difference between the atomic weight and the relativeatomic mass (RAM)?​

Chemistry
2 answers:
ss7ja [257]3 years ago
3 0

Answer:

Relative and average atomic mass both describe properties of an element related to its different isotopes. However, relative atomic mass is a standardized number that's assumed to be correct under most circumstances, while average atomic mass is only true for a specific sample.

Explanation:

denis-greek [22]3 years ago
3 0
Atomic weight is approximately equal to the number of protons and neutrons, with a little extra added by the electrons. The stability of the nucleus, and hence the atom's radioactivity, is heavily dependent upon the number of neutrons it contains.

Atomic mass is the mass of an atom of a chemical element expressed in atomic mass units. It is approximately equivalent to the number of protons and neutrons in the atom (the mass number) or to the average number.
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Ymorist [56]
C2H5OH +3O2 -> 2CO2+3H2O
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4 years ago
A crystal that absorbs water vapor from the air is. a aqueous b deliquescent c hygroscopic d efflorescent
Mars2501 [29]
A crystal that absorbs water vapor from the air is : C. hygroscopic

Hygoscropy refer to the ability of a substance to attract and hold water molecule from its surrounding environment

hope this helps 
5 0
4 years ago
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Which describes the process that forms teflon tm? molecular fluorine (f2) undergoes polymerization. a fluorocarbon polymer break
Stella [2.4K]
Answer:
             T<span>etrafluoroethene (F</span>₂CCF₂<span>) undergoes polymerization describes the formation of Teflon.

Explanation:
                    Polymerization is the process in which small units called as monomers join together repeatedly and forms a long chain macro-molecule called as polymer.
                    In given question the monomer is Tetrafluoroethene because alkenes can undergo polymerization via Addition polymerization via following mechanism.
                            a)  Free Radical Addition Reaction

                            b)  Acid Catalyzed Addition Reaction

                            c)  Base catalyzed Addition Reaction

The formation of Teflon from Tetrafluoroethene is shown below,</span>

6 0
3 years ago
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I need help with my homework.Calculate the number of formula units in: 41.5 grams CaBr2
lana66690 [7]

Answer:

\text{ }1.25\times10^{23}\text{ formula units}

Explanation:

Here, we want to calculate the number of formula units in the given molecule

We start by getting the number of moles

To get the number of moles, we have to divide the mass given by the molar mass

The molar mass is the mass per mole

The molar mass of calcium bromide is 200 g/mol

Thus, we have the number of moles as follows:

\frac{41.5}{200}\text{ = 0.2075 mol}

The number of formula units in a mole is:

1\text{ mole = 6.02 }\times10^{22}\text{ formula units}

The number of formula units in 0.2075 mole will be:

0.2075\text{ }\times6.02\times10^{23}\text{ = }1.25\times10^{23}\text{ formula units}

5 0
2 years ago
This scientist is best known for his three laws of motion and his work on gravity. He discovered that white light was made up of
fredd [130]

Answer:

Sir Isaac Newton

Explanation:

8 0
3 years ago
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