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mestny [16]
3 years ago
15

There are three subatomic particles found inside atoms. Two of the subatomic particle have a charge of positive or negative. The

one particle that does NOT have a charge is the:
proton

neutron

electron

none of the above
Chemistry
2 answers:
maksim [4K]3 years ago
8 0
Neutrons. they don’t have a charge
NARA [144]3 years ago
7 0

Neutrons don't have a charge. They are neutral

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The density of pure gold is 19.3g/cm3. What is the volume of 1.00 g of pure gold?
soldier1979 [14.2K]

Answer: Volume of 1g of pure gold v=0.05181 \mathrm{cm}^{3}

Given;

Density of a pure gold=19.3 g / c m^{3}

Mass of a pure gold =1g

To find:

Volume of 1g of pure gold

Solution:

According to the formula,

Density= Mass/Volume

     \rho=m / v

Where \rho=density of pure gold

           m=mass of pure gold

          v=volume of pure gold

From the above equation volume can be calculated as

v=m / \rho

Substitute the values of mass and density value in the above equation

v=1 / 19.3

v=0.05181 \mathrm{cm}^{3}

Result:

Thus the volume of 1g of pure gold is v=0.05181 \mathrm{cm}^{3}

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3 years ago
In general, what makes one kind of amino acid different from other amino acids?
Vinvika [58]
There is part of an amino acid molecule that is called the R group or side chain.  The side chain of the amino acid called glycine is a single hydrogen atom. The side chain is what differs from amino acid to amino acid.
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What is the change in vapor pressure when 74.60 g fructose, C6H12O6, are added to 185.5 g water (H2O) at 298 K (vapor pressure o
Vlad1618 [11]

Answer:

Vapor pressure of pure water: 3.1690 kPa

Explanation:

Vapor pressure is P=0.955(3.1690)=3.0263 kPa

Change in vapor pressure : 3.169-3.0263=0.142 kPa

3 0
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