Chemistry

Question 1

equation for energy of a photon

Answer 1

E = hf = hc/y (lambda)

h = 6.62 x 10^-34 Js

Question 2

what does it mean to be sp² hybridized?

Answer 2

the mixture of one s and two p atomic orbitals

Question 3

anode

Answer 3

positively charged electrode

Question 4

cathode

Answer 4

negatively charged electrode

Question 5

Boyle’s Law

Question 6

Charles’s Law

Question 7

Heisenberg’s principle

Question 8

what’s the difference between a Lewis base and a Lewis acid?

Answer 8

Lewis base: substance that donates an electron pair

Lewis acid: substance that receives an electron pair

Question 9

coordinate covalent bond

Answer 9

lewis acid-base interaction between a metal cation and an electron pair donor

Question 10

coordinate ionic bond

Question 11

coordination number

Answer 11

the number of molecules/atoms/ions that are bound to a metal cation

Question 12

Henderson-Hasselbach equation

Answer 12

pH = pKa + log([base]/[acid])

Question 13

high bond energy means

Answer 13

stronger bonds

shorter bonds

Question 14

the molar volume of an ideal gas at STP is

Answer 14

22.4 L/mol

Question 15

power =

Answer 15

energy / time

Question 16

negative focal length means

Answer 16

diverging lens

Question 17

positive focal length means

Question 18

what sort of images do diverging lenses make?

Answer 18

virtual and reduced images with objects farther than the focal length

Question 19

what sort of images do converging lenses make?

Question 20

resistance in parallel

Answer 20

1/R_p = 1/R₁ + 1/R₂

Question 21

capacitance in parallel

Question 22

voltage in parallel

Question 23

resistance in series

Question 24

capacitance in series

Question 25

voltage in series