The element oxegyn, represented by 01, is classified as
1 answer:
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Answer : The photon energy of this light in units of nanometers, (nm) is,
Solution :
Formula used :
where,
E = energy of photon =
h = Planck's constant =
c = speed of light =
= wavelength = ?
Now put all the given values in the above formula, we get:
conversion used :
Therefore, the photon energy of this light in units of nanometers, (nm) is,
Answer: The oxygen's oxidation number is -2.
Explanation:
For formation of a neutral ionic compound, the charges on cation and anion must be balanced. The cation is formed by loss of electrons by metals and anions are formed by gain of electrons by non metals.
In , Fe is having an oxidation state of +3 called as cation and oxygen is an anion with oxidation state of -2. Thus they combine and their oxidation states are exchanged and written in simplest whole number ratios to give neutral
The cations and anions being oppositely charged attract each other through strong coloumbic forces and form an ionic bond.
Answer:
The pressure inside the bottle is 92.678 atm.
Explanation:
An ideal gas is characterized by three state variables: absolute pressure (P), volume (V), and absolute temperature (T). The relationship between them constitutes the ideal gas law, an equation that relates the three variables if the amount of substance, number of moles n, remains constant and where R is the molar constant of the gases:
P * V = n * R * T
In this case:
- P= ?
- V= 500 mL= 0.500 L
- n= 60 g*
= 2.07 moles
- R= 0.082
- T= 0 C= 273 K
Replacing:
P* 0.500 L= 2.07 moles* 0.082 * 273 K
Solving:
P= 92.678 atm
<u><em>The pressure inside the bottle is 92.678 atm.</em></u>