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anyanavicka [17]
3 years ago
6

What is the total oxidation state of the fluorine atoms

Chemistry
1 answer:
Arte-miy333 [17]3 years ago
4 0

Answer:

-1

Explanation:

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d perovskite single crystals with suppressed ion migration for high-performance planar-type photodetectors, small
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Due to their improved charge transfer and great environmental stability, 2D Dion-Jacobson (DJ) perovskites have recently received a lot of attention.

Unfortunately, due to the scarcity of high-quality single crystals for precise measurements, their fundamental optoelectronic capabilities are mainly unknown. Here, a reactive, low-temperature-gradient crystallization method is created using 1,4-butanediammonium as a short-chain insulating spacer to generate high-quality 2D perovskite single crystal (BDAPbI4). It is discovered that the BDAPbI4 single crystal exhibits a direct bandgap with effective charge collection (μτ = 1.45 × 10−3 cm2 V−1). The BDAPbI4 single crystal in particular exhibits the expected high ion migration activation energy (0.88 eV).

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1 year ago
How do the isotopes hydrogen-1 and hydrogen-2 differ? Hydrogen-2 has one proton; hydrogen-1 has none. Hydrogen-2 has two protons
UNO [17]

Answer:

still need it

Explanation:

4 0
3 years ago
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Determine the best formula for reacting elements.
Mekhanik [1.2K]
My freind the best anwer would probably be B
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3 years ago
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An element from the periodic table is shown below. What can you determine about the number of protons, neutrons, and electrons o
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8, 8, 16 neutron

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6 0
3 years ago
determine the ph at the equivalence point for the titration of a 40.0 ml sample of 0.100 mhno2 by 0.200 mkoh . (the pka of nitro
timama [110]

pH at the equivalence point is 3.60

<h3>Define pH.</h3>

pH is a numerical indicator of how acidic or basic aqueous or other liquid solutions are. The phrase, which is frequently used in chemistry, biology, and agronomy, converts the hydrogen ion concentration, which typically ranges between 1 and 10^{14} gram-equivalents per liter, into numbers between 0 and 14. The hydrogen ion concentration in pure water, which has a pH of 7, is 10^7} gram-equivalents per liter, making it neutral (neither acidic nor alkaline). A solution with a pH below 7 is referred to as acidic, and one with a pH over 7 is referred to as basic, or alkaline.

given that,

HNO2 = 0.100M

KOH= 0.200M

pKa = 3.34

using formula,

pH = pKa + log (salt /acid)

     = 3.34 + log (0.200/0.100)

     = 3.34 + log 2

     = 3.34 + 0.30

     = 3.60

pH at the equivalence point is 3.60

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8 0
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