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sattari [20]
3 years ago
5

What is the molecular geometry of BCl3

Chemistry
1 answer:
ivann1987 [24]3 years ago
4 0
BCl3 has a trigonal planar molecular geometry.
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Explain why a mole is a special number?
RoseWind [281]
A mole is a unit used to convert between the number of atoms and grams in an element. The information given on the periodic table is based on a mole or 6.02 *10^23 atoms of the element.
3 0
4 years ago
How many atoms are present in 48.60 g of Mg
Ganezh [65]
1.204 x 10 ( 24 ) atoms of magnesium are present.
In order to go from mass of magnesium there have to do 2 things 

1. convert mass of Mg to moles of Mg using the molar mass of Mg as converted to a factor 

2. convert moles of Mg to atoms of Mg using the Avogadro's number ( 6.02 x 10  (23) as a conversion factor 
 
Hope my it helped a little :)  <span />
3 0
4 years ago
What is the function of the rough
bekas [8.4K]

A. build proteins

Explanation:

The endoplasmic reticulum can either be smooth or rough, and in general its function is to produce proteins for the rest of the cell to function. The rough endoplasmic reticulum has on it ribosomes, which are small, round organelles whose function it is to make those proteins

4 0
3 years ago
Use the standard half-cell potentials listed below to calculate the standard cell potential for the following reaction occurring
iren2701 [21]

Answer:

1.20 V

Explanation:

The standard cell potential is calculated from the expression

ε⁰ cell = ε⁰ oxidation + ε⁰  reduction

The species that will be reduced is the one with the higher standard reduction potential and the species that will be oxidized will be the one with the more negative reduction potential.

Thus for our question we will have

oxidation:

Pb(s)  →   Pb2+(aq) + 2 e-       ε⁰ oxidation       =  -   ε⁰  reduction

                                                                          =   - ( - 0.13 V ) = + 0.13 V

reduction    

Br2(l) + 2 e- → 2 Br-(aq)           ε⁰  reduction     = +1.07 V

ε⁰ cell = ε⁰ oxidation + ε⁰  reduction = + 0.13 V + 1.07 V  = 1.20 V

4 0
3 years ago
O which type of molecules, polar or nonpolar, dissolves in water
Anna007 [38]
The polar molecules dissolve in water, because water is also a polar molecule.
"Like dissolves like".
:)
7 0
3 years ago
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