What is the molar concentration of 500mL solution containing 4.50 moles of C6H12O6?
What is 9.00 mol/L?
What is the wavelength (in nanometers) of light with the frequency of 1.02 × 1015 s–1?
What is 294 nm?
How many subshells are associated with the n=3 shell?
3 subshells
H3PO4(aq) + 3 KOH(aq) → K3PO4(aq) + 3 H2O(l)
What volume of 1.50 M KOH solution is needed to neutralize 20.00mL of 0.500M phosphoric acid?
What is 20.0mL?
400-750 nanometers
What is the wavelength range of the visible spectrum?
What are the typical shapes associated with s, p, and d-type orbitals?
s: sphere
p: dumbell
d: double dumbell
When a reaction between solutions of CuSO4 and NaOH takes place, the identity of the precipitate formed is _____
What is Copper (II) hydroxide?
How much energy must an electron in a hydrogen atom absorb to jump from n=2 state to n=5 state?
What is 4.58 × 10–19 J of energy?
What are both the ground state and condensed electron configurations for a neutral atom of tin (Sn)?
Ground state: 1s22s22p63s23p64s23d104p65s24d105p2
Condensed:
[Kr]5s24d105p2
What is the net ionic equation for a reaction of neutralization between barium hydroxide and sulfuric acid?
What is
H+(aq) + OH–(aq) → H2O(l)
In kilojoules, what is the energy of 1 mole of photons that have a wavelength of 657 nm?
What is 182.2 kJ?
What is the most stable electron configuration of silver (Ag)?
[Kr]5s14d10
Aqueous solutions of lead(II) nitrate and sodium iodide react. What are the spectator ions in this reaction?
What are Na+(aq) and NO3–(aq)?
What is the order of the electromagnetic spectrum in terms of increasing wavelength?
What are gamma rays < x-rays < ultraviolet rays < visible spectrum < infrared rays < microwaves < radio waves
An electron in a hydrogen atom relaxes from state n=6 by emitting a photon of light with the energy 4.84×10–19J. What is the value of nfinal?
nfinal=2