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- C=3.0*10°ms", m,=1.673*10"Kg, mn=1.675*102"Kg, Re=1.097*10'm, K=9*10°Nm°c?, F=9.6485309*10°Cmol', mol", la.m.u.=1.660569*10²" kg. ao=5.29*10'"m e=1.6*101°c, Eo=8.8*10-12Asvm², m,=9.1*103"Kg, h=6.62*10*Js, h/2T=1.05*10Js, NA=6.022045*10²3 -27 1-Find the atomic mass of the following elements CI, O and Pb; if M(CI)=35.45g, M(0)=16.00g and M(Pb)=207.20g? М(celement) m, atom N. 2-Find the radius of the nuclei of the following elements 1"1, 13Cs and 238U? "'muet = (1.3)A/3 *10-1$ m4 kg of lead shot at 90.7o C are poured into 4 kg of water at 22.5o C. Find the final temperature (in oC) of the mixture. Use cwater = 4187 J/kg oC and clead = 128 J/kg oC.Ti, 295.7K Tp=f (Ti,, Tig,V 11 Tiz 316.9K Solve for Tf. 100mL 50 ML Vz we have a foam cup uWth 100mL of cold water at 295.7 K. we then mix in 50 ML Of hot water at 31le.9K into the cold water. what is the final temperature 50 mL Of hot water at equillibrium?
- Calculate (AE) 3 = k 4 + 21°C, n+1 using (AE)"* = (-1)" formula . n=2.Cv is B дт de constant.If 7.89 moles7.89 moles of an ideal gas has a pressure of 7.80×105 Pa7.80×105 Pa and a volume of 0.121 m3,0.121 m3, what is the temperature ?T of the sample?P P= 19399 xNlm, T=216-650 k° f3:1n93x0 kg|? +4 %3D M =1.4216 xio kglm.s at 12 km. Find P,P.T,M, a at 1I km.
- The gas inside a balloon will always have a pressure nearly equal to atmospheric pressure since that is the pressure on the outside of the balloon. You fill a balloon with helium gas to a volume of 0.600L at 19.0 ⁰ C. What is the volume of the balloon if you cool it to the boiling point of liquid nitrogen, 77.3 K?1. The escape velocity of any object from Earth is 11.2 km/s. (a) Express this speed in m/s and km/h. Speed, m/s: Speed, km/h: (b) At what temperature would oxygen molecules (molecular mass is equal to 32 g/mol) have an average velocity, Vrms, equal to Earth's escape velocity 11.2 km/s? Temperature: ✔KA brass plug has a diameter of 100 mm at 150 oC. At what temperature will the diameter be at 9.950 cm? ( = 19 x 10 -6/oC)
- M7BA-9xHmYbQf0eHewNvpc8w/viewform 28. A container of air has volume of 0.12 m2 at a pressure of 2.50 x 10° Pa and temperature of 30 C. The air is then heated under constant volume of 0.12 m' until its final pressure is 3.5 x 105 Pa. Calculate the final temperature- of the air. O 21.4 K 42.0 K 424.2 K 757,5K mnressed to 2.0 m as its araph10 55:07 A gas has an initial volume of 212 cm at a temperature of 293 K and a pressure of 0.98 atm. What is the final pressure of the gas if the volume decreases to 196 cm³ and the temperature of the gas increases to 308 K? O 0.86 atm 0.95 atm 1.0 atm O 1.1 atm Next Submit Save and Exit Mark this and return ContentViewers/AssessmentViewer/Activit. Sign out USThe normal freezing point of a certain liquid X is - 5.90 °C, but when 43. g of zinc chloride (ZnCl,) are dissolved in 400. g of X the solution freezes at -7.2 °C instead. Use this information to calculate the molal freezing point depression constant K, of X. Be sure your answer is rounded to the correct number of significiant digits. °C·kg K, = 0 mol