3 years ago

If light gave off 7.17 x 10^17 of energy what is its wavelength?

Chemistry

1 answer:

professor190 [17]3 years ago

7 0

Answer:

,mhmh

Explanation:

hghfhfh

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When an arrhenius base is placed in h20 the only negative ion present in the solution is?

melamori03 [73]

According to Arrhenius theory of acid and base, Acids are those substances which when dissolved in water produces protons, while, Bases are those substances which when dissolved in water produces Hydroxyl Ions.

Example of Arrhenius Bases:

NaOH ₍s₎ → Na⁺ ₍aq₎ + ⁻OH ₍aq₎

LiOH ₍s₎ → Li⁺ ₍aq₎ + ⁻OH ₍aq₎
Result:
The only negative ion produced in water when Arrhenius Base is dissolved is ⁻OH (Hydroxyl Ion).

5 0

4 years ago

Which of the following equations can be used to determine the change in enthalpy of a system? A. `DeltaH_"reaction"=DeltaH_"prod

Nostrana [21]

Answer: The correct answer is Option D.

Explanation:

Enthalpy change is defined as the difference in enthalpies of all the product and the reactants each multiplied with their respective number of moles. It is represented as $\Delta H^o$