Reviewſ Constants Penodic Table Part C AH..=-115 kJ. AS..=-255J/K.T=301 K. Express your answer using three significant...
Part A AHX = 133 kJ, ASP = - 247J/K,T=307 K. Express your answer using three significant figures. View Available Hint(s) V AED O ? ASuniv J/K Submit Part B AH -133 kJ. A S x=247 J/K T = 307 K. Express your answer using three significant figures. View Available Hint(s) VO AED - O ? ASumiy A.Sun'v J/K Submit Part B AHX = – 133 kJ , A Six=247 J/K, T = 307 K. Express your answer using three...
Part c
Part C If AH = -60.0 kJ and AS = -0.500 kJ/K, the reaction is spontaneous below a certain temperature. Calculate that temperature. Express your answer numerically in kelvins. ► View Available Hint(s) VO ADD A A O O ? 233.3 Submit Previous Answers X Incorrect; Try Again; 5 attempts remaining
Constants Periodic Table Part A How long is the bar? Express your answer to two significant figures and include the appropriate units A uniform steel bar swings from a pivot at one end with a period of 1.2 s L= 1 Value Units Submit Previous Answers Request Answer Incorrect, Try Again; 4 attempts remaining
Part A AH = 127 kJ , AS. = – 253 J/K, T =301 K. Express your answer using three significant figures. IVO AO R O ? AS univ= J/K Submit Request Answer Part B AH..= -127 kJ AS. = 253 J/K T=301 K Express your answer using three significant figures. VALD O ?
Take that I = 18 A (Figure 1) Part A Find the value of u in the figure. Express your answer to three significant figures and include the appropriate units. ► View Available Hint(s) U 140 V Submit Previous Answers X Incorrect; Try Again; 5 attempts remaining Part B Find the value of i in the figure. Express your answer to three significant figures and include the appropriate units. View Available Hint(s) Figure < 1 of 1 > HA MO?...
Part B A solution of water (kr = 1.86°C/m) and glucose freezes at - 415°C What is the molal concentration of glucose in this solution? Assume that the freezing point of pure water is 0.00 °C Express your answer to three significant figures and include the appropriate units. View Available Hint(s) m= 2.34 m Submit Previous Answers X Incorrect: Try Again: 5 attempts remaining Part A solution of water (K = 0.512 °C/m) and glucose boils at 101.56 °C. What...
Part A What is the work function of the cathode? Express your answer using two significant figures. Constants In a photoelectric-effect experiment, the maximum kinetic energy of electrons is 3.3 eV . When the wavelength of the light is increased by 50%, the maximum energy decreases to 1.5 eV Ед Submit Previous Answers Request Answer X Incorrect; Try Again; 4 attempts remaining Part B What is the initial wavelength? Express your answer using two significant figures. A. nm Submit Request...
Part A AH.. = 90 kJ.AS. - 149 J/K T - 310 K Express your answer using two significant figures. V AED 0 J/K A Suniv- Submit Reguest Answer Part B AH - 90 kJ AS... = 149 J/K T = 756 K Express your answer using one significant figure. VAX J/K Submit Part C AH.. = 90 kJ.A.S. - - 149 J/K T = 310 K Express your answer using two significant figures. AED 0 AS- TU Submit Resest...
? Part C moles of Crin 4.77x1023 atoms of Cr Express your answer using two significant figures. moles Subrmit Previous Answers Request Answer X incorrect; Try Again; 5 attempts remaining: no points deducted
IReview I Constants Periodic Table The ions Mg2 and Al3 are isoelectronic. The ionization energies for these two ions are 7730 and 11600 kJ mol1, respectively. kJ mol Part A Estimate the values of Zeff for Mg2+ and Al3+. Express your answers to three significant figures separated by a comma. View Available Hint(s) πνα ΑΣφ ? Zeff, Mg2 , Zeff, AP = 3.2,4.2 Previous Answers Submit X Incorrect; Try Again; 5 attempts remaining