Question

question 2-4 please :)

In this diagram, the sublimation energy of potassium is labeled by the number 1 (Enter as a whole number) and the electron affinity of fluorine is labeled by the number 3 QUESTION 2 What is the temperature (in "C) of 0.0683 moles of gas contained in 1,768.4 ml. af 142 1 for? QUESTION 3 A piston with a volume of 386 1 mL is filled with a gas at 354 4K and 710 mm Hg The piston is the compressed by 385ml and cooled to 224 4K What is the pressure w of the stone these condo (Please note the white space is covering a value of moles that should not have been included Since the quiz has been release this is the only way to make the needed correction) QUESTION 4 The density of a gas is 79 L a pressure of 183 m and a temperature of 406 "C. What is the molar mass in mol) of the gas? C ave and submit to me and submit. Click Sellerstolle SAVE ALL ANSWERNCEONE W

Answer 1

2 By Ideal gas law, PV=MRT Here, P=142.1 torra 142-1 atm = 0.187 atm 760 Va 1768.4mLa 1.7684L m= 0.08 83 mol, R=0.0821 hari ya By putting valuers, we get To 0.187 atm X 1.7684L 0:08 83 mol x 0.08215 molk »T 4 C. 61 K = (x - | - 413) OT-227.39 °C)