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Tcecarenko [31]
3 years ago
6

Sodium - Reacts vigorously with water.

Chemistry
2 answers:
GalinKa [24]3 years ago
8 0

Answer:

a

Explanation:

i did the usatest prep

wolverine [178]3 years ago
6 0
A) radon, neon, calcium

Rn and Ne are noble gases like Xe, and Ca is an alkaline earth metal like Mg.
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Number is equal to 6022 x 10^23
Juliette [100K]

Answer:

The Avogadro's number

Explanation:

the number is 6.02214x10 to the 23 power

8 0
3 years ago
Which of the following is made up of atoms?<br><br> A.Apple<br> B.Friction<br> C.Heat<br> D.Light
yarga [219]
<h2>Apple is the correct answer</h2>
7 0
2 years ago
Read 2 more answers
Which law relates temperature, pressure, volume, and the number of moles of a gas under perfect conditions?
Elanso [62]

Ideal gas law

Explanation:

The ideal gas law relates the temperature, pressure, volume and the number of moles of a gas under perfect conditions.

The ideal gas law is a combination of:

    Boyle's law- "the volume of a fixed mass of gas varies inversely as the pressure changes if the temperature is constant"

   Charles's law - "the volume of a fixed mass of a gas varies directly as its absolute temperature if the pressure is constant"

    Avogadro's law - "equal volumes of all gases at the same temperature and pressure contains equal number of molecules".

 The law gives:

                     PV = nRT

where:

   P is the pressure of the gas

   V is the volume of gas

    n is the number of moles

     T is the temperature

     R is the gas constant

Learn more:

Ideal gas law problems brainly.com/question/13064292

#learnwithBrainly

7 0
4 years ago
Need help!! (10 Points)<br> which liquid is the most viscous and why?
Hunter-Best [27]
Answer:

Honey

Explanation:

It’s honey because the item that was dropped in it is almost at the top and that means there is something sticky or force there holding it back!
4 0
3 years ago
How much heat (kj) is required to convert 3.12 moles of liquid benzene at 75.1°c to gaseous benzene at 115.1°c?
Tems11 [23]
The total energy includes sensible heat to raise the temperature from 75.1°C to the boiling point. It also includes the latent heat to convert the liquid to gas. Then, it also includes sensible heat from he boiling point to 115.1°C. The equation is:

Energy = nCp,liquid(T,bp - T₁) + nΔH + nCp,gas(T₂ - T,bp)
where
n is the number of moles
T,bp is the boiling point of benzene at 80.1°C
Cp,liquid = 134.8 J/mol·°C
Cp,gas = 82.44 J/mol·°C
ΔH = 87.1 J/mol

Energy = (3.12 moles)(134.8 J/mol·°C)(80.1°C - 75.1°C) + (3.12 moles)(87.1 J/mol) + (3.12 moles)(82.44 J/mol·°C)(115.1°C - 80.1°C)
Energy = 11,377.08 J
3 0
3 years ago
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