1. Place
the following gases in order of increasing density
at STP.
N2 NH3 N2O4 Kr
a. |
Kr < N2O4 < N2 < NH3 |
|
b. |
N2 < Kr < N2O4 < NH3 |
|
c. |
Kr < N2 < NH3 < N2O4 |
|
d. |
NH3 < N2 < Kr < N2O4 |
|
e. |
N2O4 < Kr < N2 < NH3 |
1.Ans.d
NH3< N2 < Kr < N2O4
1. Place the following gases in order of increasing density at STP. N2 NH3 N2O4 Kr...
46. Place the following in order of increasing bond length: N2, 02, F2, 12 a. N2 <02<F2 <12 b. N2 <02 <12 <F2 c. 02 <N2 <I2 <F2 d. F2 <02 <N2 <12 e. F2 <N2 <O< 12 47. How many equivalent resonance structures quivalent resonance structures are there for the CO,' ion? a. 1 b. 2 c. 3 d. 4 e. 5 48. Choose the best Lewis structure for SFs anion. -T: 1TT.. -11: :77-9-. .:- : T-00-T TI:...
Samples of three gases, N20 (g), Kr (g) and N2 (g) at STP are placed in three 1.00 L containers. The same amount of heat is added to all three samples. Match the final temperatures of the samples with the proper gas Kr: 293.48 K N2: 287.64 K N20: 283.52 K You are correct. Previous Tries Your receipt no. is 156-2913 Match the molar heat capacities with the proper gas. N20: 40.5 J/mol K N2: 29.1 l/mol K Kr: 20.8...
A mixture of Ar and N2 gases has a density of 1.419 g/L at STP. What is the mole fraction of each gas?
Arrange the following gases in order of decreasing density at STP: HCl, HBr, Ne, O2
"Arrange the molecules in order of decreasing strength of Intermolecular Forces in Gases: N2, CH4, Ar, NH3, H2S, N2O4,C3,H8,C4H9F, C4H10, CO, SO2"
(a) Place the following gases in order of increasing average molecular speed at 25 C: CO, SF6, H2S, Cl2, HI (b) calculate the rms speed of CO at 70.0 C
1.) N2 and Kr are sealed in two separate identical jars at STP. Compare the average kinetic energies and average molecular velocities of these gases. 2.) When a metal rod, mass 21.9 g, heated to 85 C is placed into a coffee-cup calorimeter containing 200.0 ml of water at 20.0 C, the equilibrium temperature achieved by the system is 21.5 C. What is the heat capacity of metal?
) Place the following gases in order of increasing average molecular speed at 25°C: CO, SF6, H2S, Cl2, HI. slowest < < < < fastest (b) Calculate the rms speed of CO at 65.0°C. m/s
Worksheet 9a (Intro) 11. Place the following elements in order of increasing ionization energy a. Ba, Sr, Ca CatSraba b. K, Ca, As AsecaLK c. Si, Na, Mg sengena d. Sn, Sb, I T.Sbisn e. K, Ca, Rb Ribica,k f. S, As, Sn Sri As, 8. Kr. Ba, Zn, Sc, Br Ba, Kr, Br, zn, so 12. Rank the following elements in order of increasing metallic character:
(a) Place the following gases in order of increasing average molecular speed at 25°C: CO, SF6, H2S, Cl2, HI. (Type your answer using the format SF6 for SF6.) slowest < < < < fastest (b) Calculate the rms speed of CO at 45.0°C. m/s