Chemistry, 16.12.2019 21:31, breanna602
Brainliest + 20 !
which of the following statements is true about energy quantization at the atomic level?
the energy of a photon depends on the frequency of the emission.
the energy of a photon depends on the mass of the neutrons and protons.
an electron can only move from a lower energy level to a higher energy level.
an electron may emit or absorb a quarter of a photon during energy level transitions.
Answers: 1
Chemistry, 22.06.2019 12:10, kaitlynbernatz2778
If a molecule with a molecular formula of c13h18 is treated with an excess of h2 in the presence of finally divided pt metal under conditions required for maximum hydrogenation of the molecule to give a molecule with a formula c13h24, how many rings are in the molecule?
Answers: 3
Chemistry, 22.06.2019 12:40, whitethunder05
When 13.3 g koh is dissolved in 102.7 g of water in a coffee-cup calorimeter, the temperature rises from 21.4 °c to 31.53 °c. what is the enthalpy change per gram of koh (j/g) dissolved in the water? * take the density of water as 1.00 g/ml. * assume that the solution has a specific heat capacity of 4.18 j/g*k. enter to 1 decimal place. do not forget the appropriate sign /(+). canvas may auto-delete the (+) sign
Answers: 2
Chemistry, 23.06.2019 05:00, pmbeachy3102
If 15 drops of ethanol from a medicine dropper weigh 0.60g, how many drops does it takes from a dropper to dispense 1.0ml of ethanol? density of ethanol is ethanol is 0.80g/ml.
Answers: 2
Brainliest + 20 !
which of the following statements is true about energy quantization at the...
which of the following statements is true about energy quantization at the...
Mathematics, 12.02.2020 22:05
Mathematics, 12.02.2020 22:06
Mathematics, 12.02.2020 22:06