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Debora [2.8K]
2 years ago
12

Which of the following elements is the smallest?

Chemistry
2 answers:
Gnesinka [82]2 years ago
3 0

Answer:

chlorine

Explanation:

Gnoma [55]2 years ago
3 0

Answer:

{\mathbb{\colorbox {orange} {\boxed{\boxed{\boxed{\boxed{\boxed{\colorbox {lime}{\boxed{\boxed{\boxed{\boxed{\boxed{\colorbox {aqua} {Answer:- chlorine }}}}}}}}}}}}}}}

Explanation:

● chlorine is the smallest element in sulfur,phosphorus,silicon and chlorine.

● please refer in attachment.

Hope it's helps you

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Calculate the density of CO2 in g/cm3 at room temperature(25 degrees Celsuis) and pressure(1 atm) assuming it acts as an ideal g
Readme [11.4K]

Answer:

density=1.8x10^{-3}g/mL

Explanation:

Hello,

Considering the ideal equation of state:

PV=nRT

The moles are defined in terms of mass as follows:

n=\frac{m}{M}

Whereas M the gas' molar mass, thus:

PV=\frac{mRT}{M}

Now, since the density is defined as the quotient between the mass and the volume, we get:

P=\frac{m}{V} \frac{RT}{M}

Solving for m/V:

density= m/V=\frac{PM}{RT}

Thus, the result is given by:

density=\frac{(1atm)(44g/mol)}{[0.082atm*L/(mol*K)]*298.15K} \\density=1.8g/L=1.8x10^{-3}g/mL

Best regards.

8 0
3 years ago
What is molar concept​
andrew11 [14]

Answer:

The molar mass of a substance is defined as the mass in grams of 1 mole of that substance. One mole of isotopically pure carbon-12 has a mass of 12 g. ... That is, the molar mass of a substance is the mass (in grams per mole) of 6.022 × 1023 atoms, molecules, or formula units of that substance.

Explanation:

8 0
3 years ago
What is the total number of atoms in a 75 g sample of zinc?
velikii [3]
Jinx kxknxbxbxbjxj dbdbcj
8 0
2 years ago
A student uses the periodic table to construct a model that uses a simple diagonal arrow to depict decreasing electronegativity.
Galina-37 [17]

Answer:

helium

Explanation:

helium has the highest ionization energy level

5 0
2 years ago
A nugget of gold has a mass of 28 grams and a volume of 1.45 cubic centimeters. What is the density?
Travka [436]

Answer:

0.01931034

Explanation:

Steps:

ρ =  m/v

       =  

28 gram

1.45 cubic meter

=  19.310344827586 gram/cubic meter

=  0.019310344827586 kilogram/cubic meter

7 0
2 years ago
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