Please choose the BEST possible answer for the following questions (2) The Sd or
ID: 544949 • Letter: P
Question
Please choose the BEST possible answer for the following questions (2) The Sd orbital has a principle quantum number of momentum quantum number of3 6and an angular 2. (3) The ideal gas law, PV RT, is used when gas density is pressure is around (1) Wavelength is best described as the distance between too , temperatures are near 2 K, and 3. n a wave 4 (2) Thermal energy, also known asranom hot to Ceut chjcct , always flows from until the temperatures are equal. 5. (2) When energy flows from the system to the surrounding the reaction is When energy flows from the surrounding to the system the reaction is called 6. (1) The electromagnetic radiation we experience as heat is called 7. (1) Work is defined as a Pros 8 2) In the van der Waal equation, IP + atn VV-bn] nRT, the addition of acting over a distance. the·a, factor is a correction for techs subtraction of the 'b'factor is a correction for the occupied by molecules 9 2) Which of the following will have the largest temp. change when adding heat? a Soo g ethanol, Cerhanol -2.42 JigC b. 50.0 g Zn Cn-0.39 Jg c. 25.0 g sand, Csand = 0.84 J/g°C d 25.0 g Au, Can -O.128 J/g C 10. (2) In the reaction of CrO/. (aq) Cr203 (s), chromium has: a. was not oxidized or reduced b. gained Se- c gained 3e- lost 3e- e lost Se-Explanation / Answer
Ans 1 : The principal quantum number for 5d is 5 and angular momentum number is 2 .
The angular quantum number (l) for d is 2 and for f is 3.
Ans 2 : It is correct.
In such a case , the formula ,PM = dRT is used
Ans 3 : random or internal kinetic energy. It always flow from hot to cool object , untill the equillibrium is reached.
Ans 4 : crest
It is the distance between the crest (not crust) of two waves.