how many moles of pbr3 contain 3.68 × 1025 bromine atoms?
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What is the number of bromine atoms in 3.68 moles of pbr3?
It contains 6.0.631 moles of bromine atoms.
calculation:
According to Avogadro’s law, 1 mole = 6.02 x10^23 atoms
How about 3.65 x 10^25 atoms
Multiplication by cross
A mole of atoms has a mass of 36.5 x 10 #25 atoms or 6.02 x 10 #23 atoms, so 60.631 moles of atoms and atoms cancel one another out
What is the number of bromine atoms in 3.68 x 1025 moles of PBr3?
The moles of phosphorus bromide with 3.68 × 1025 bromine atoms have been calculated to be 20.36 mol.
According to Avogadro’s number, a mole of a compound is equivalent to its molecular mass divided by its mass.
Avogadro’s number has a value of 6.023 atoms and has been a constant for thousands of years.
Molecules of phosphorus bromide have three bromine atoms in them. Their mass is equivalent to the compound’s molar mass, which is 270.69 grams per mole.
how many moles of pbr3 contain 3.68 × 1025 bromine atoms?
1 mole = 6.023 atoms
and 1 mole = 3 times bromine
1 mole = 3 × 6.023 Bromine atoms
1 mole = 18.069 Bromine atoms
3.68 x 1025 phosphorus bromide moles have been measured as follows:
18.069 Bromine atoms = 1 mole
3.68 × 10²⁵ bromine atoms = mole
= 20.36 mol.
The moles of phosphorus bromide with 3.68 × 1025 bromine atoms have been calculated to be 20.36 mol.
Uses and properties
how many moles of pbr3 contain 3.68 × 1025 bromine atoms?
The image intends to reflect the rich color, liquidity and aromatic nature of the element.
Appearance
A deep-red oily liquid with a sharp smell, bromine is toxic.
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Its uses
Agricultural chemicals, dyestuffs, insecticides, pharmaceuticals, and chemical intermediates are just a few of the applications of bromine. Some applications are being phased out due to environmental concerns, but new ones are being discovered every day.
A flame retardant can be a bromine compound. Bromine compounds are added to furniture foam, plastic cases for electronics, and textiles to make them less flammable. However, bromine compounds have been phased out in the USA for toxicity reasons.
In places such as museums, aeroplanes, and tanks, organobromides are used in fire extinguishers, and silver bromide is used in film photography.
The anti-knock agent 1,2-di-bromoethane was prepared using bromine before leaded fuels were phased out.
Function in biology
As bromide, bromine is found in small amounts in all living things, although it has no known biological function in humans. Bromine irritates the eyes and throat, and causes painful sores when it contacts the skin. Bromine is found in small amounts, as bromide, in all living things.
Abundance in nature
From natural bromine-rich brine deposits in the USA, Israel and China, bromine is extracted by electrolysis. Although bromide was the first element to be extracted from seawater, it is only economically feasible at the Dead Sea in Israel, which contains 0.5 percent bromide.
how many moles of pbr3 contain 3.68 × 1025 bromine atoms?
bromine atoms deplete ozone and elemental mercury
In atmospheric reactive halogen chemistry, bromine atoms deplete ozone and elemental mercury,
leading to the accumulation of toxic mercury, particularly near the surface. There has been no direct
measurement of bromine atoms to date, due to the lack of analytical capability that is sensitive enough
for ambient measurements. In the spring of 2007, we conducted direct measurements of bromine atoms in
the Arctic. A total of 14 parts per trillion bromine atoms (ppt) were measured. These levels were up to three
to ten times higher than estimates based on previous indirect measurements not taking into account the crucial
role of molecular bromine. Based on the bromine atoms measured, the observed ozone depletion rates and elemental mercury
depletion rates can be quantified, providing field validation of mercury chemistry, which is highly uncertain.
The photochemical snowpack emissions of molecular bromine and nitrogen oxides sustain elevated bromine
concentrations following complete ozone depletion, resulting in continued mercury removal. Using bromine chemistry to
connect rapidly changing surfaces to pollutant fate in the polar atmosphere, this study provides a breakthrough in quantitatively constraining bromine chemistry.
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