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Chemistry

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Ursula Block

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Cards in this guide (11)
What is thermodynamics

the study of the movement of energy and heat.

or

Thermodynamics is the branch of physics concerned with the conversion of different energy forms.

•DeltaG (rxn) = DeltaG (pdts) - DeltaDG (rcts) •DeltaG°(rxn) = -R T ln K •

What does Hess's law say about the enthalpy of a reaction

The enthalpy of a reaction does not depend on the reactant path taken.

Which of the following electromagnetic waves can create ions

Gamma rays

What information does a flame test provide

The emission spectrum of an element

Which equation shows how frequency is related to velocity and wavelength

F=v/&

Which of the following statements best describes a weakness of the Bohr model of the atom

it is accurate only for one-electron systems

a+

What is the wavelength of a light of frequency 4.47 X 1014 Hz

The wavelength is 671 nm.

What statement describes the potential energy diagram of an exothermic reaction

The potential energy of the reactants is greater than the potential energy of the products.

What electron could have quantum numbers n 3 l 0 ml 0 ms

A 3s electron

How much energy is released is a sample loses 0.05 kg mass through radioactive decay

4.5 × 1015 J

Ask us anythingWhich of the following colors has the highest energy

Blue

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