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omeli [17]
3 years ago
15

Is viscosity and surface tension the same

Chemistry
1 answer:
Citrus2011 [14]3 years ago
6 0
Viscosity<span> and surface tension is not the same</span>
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the enthalpy of vaporization of an roganic alchol is 35.3 kJ/mol at the boiling pointof 64.2 C calculate the entropy change for
bonufazy [111]

Answer:

Explanation:

s=h/t

=35.3/64.2(c)

=35.3/337.2(k)

=0.104

3 0
2 years ago
What is the molar mass of Ca(NO3)2?
Valentin [98]
The answer to the molar mass of Ca(NO3)2 is gonna be C. 164.1 g/mol



3 0
3 years ago
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Nonmetals form _________ bonds by sharing electrons to complete their valence shell and increase stability.
katrin [286]
Non metals form ionic bonds by gaining and losing electrons to complete their valence she'll and increase stability. Metals form covalent bonds by sharing electrons.
4 0
3 years ago
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What is a possible quantum number set for an electron in the 2s orbital of a beryllium (Be) atom?
Artist 52 [7]

Answer is: 2,0,0,±1/2.

1) n = 1. The principal quantum number (n) is one of four quantum numbers which are assigned to each electron in an atom to describe that electron's state.

2) l = 0. The azimuthal quantum number is a quantum number for an atomic orbital that determines its orbital angular momentum and describes the shape of the orbital.

3) ml = 0. Magnetic quantum number specify orientation of electrons in magnetic field and number of electron states (orbitals) in subshells.

Magnetic quantum number (ml) specifies the orientation in space of an orbital of a given energy and shape . Magnetic quantum number divides the subshell into individual orbitals which hold the electrons, there are 2l+1 orbitals in each subshell.  

4) The spin quantum number, ms, is the spin of the electron; ms = +1/2 or -1/2.

7 0
3 years ago
Calculate the mass (in g) of 2.1 x 1024 atoms of W.
Monica [59]
Atomic mass W = 183.84 u.m.a

183.84 g ----------- 6.02x10²⁴ atoms
?? g ---------------- 2.1x10²⁴ atoms

2.1x10²⁴ x 183.84 / 6.02x10²⁴ =

3.860x10²⁶ / 6.02x10²⁴ = 641.30 g

hope this helps!
4 0
3 years ago
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