2) A student performs this experiment and obtains a value of 3.02 x 10's s' for the Rydberg Constant. Calculate t...
2) A student performs this experiment and obtains a value of 3.02 x 10's s' for the Rydberg Constant. Calculate the student's % error. MISTRY
3. Suppose a student performs this experiment and obtains a molecular weight of 70 g/mol for isopropyl alcohol. Give valid sources of error for what could have caused the molecular weight to be higher than expected
1) A student performs an experiment to determine the density of a sugar solution. She obtains the following results 136 g ml, 1.81 gmL 1.80 g/mL, 1.81 g/mL. If the actual value for the density of the sugar solution is 1.80 g/ml, which statement below best describes her results? A) Her results are precise, but not accurate. C) Her results are both precise and accurate B) Her results are neither precise nor accurate. D) Her results are accurate, but not...
3. Besides H, list other hydrogen like species in which the Rydberg constant in eq. 3 would still be 1.10 x 10"? 4. Is a Het 5-3 transition in the visible range? Calculate and explain. 5. Are there any electronic transitions of Het involving energy levels 1, 2 and 3 which are in the visible range? That is, will He emit any visible photons when the electrons fall from any level to levels 1, 2, and 3? If not, show...
C.A student performs the experiment and measures the distance between photogates d=50 +/- 0.1 cm, the times measured by photogates: t1=0.052 +/- 0.001s and t2=0.035 +/- 0.001s and the carts length s=10 +/- 0.5cm. Find the acceleration a of the cart and estimate the uncertaintainy in a. D. The student repeats the measurements and obarins more values of the accerelation: 5.15 m/s^2, 4.22 m/s^2, 4.63m/s^2, 3.92m/s^2, 4.58m/s^2, 4.27m/s^2. Calculate the best estimate of a and the random uncertainty of theses...
The Rydberg constant for Li+2 is 2.18 x 10-18 J. ( Z = 3 for Li+2, use an equation that enables you to allow for the difference between the nuclear charges of Li and Hydrogen) a) What is the longest wavelength seen in the visible absorption spectrum of Li+2 at ordinary temperatures? b) What would be the shortest wavelength seen in the visible absorption spectrum of Li+2. c) Calculate the ionization energy of Li+2.
Evaluate the ratio Ry hc where the Rydberg constant, Ry = 2.18 x 1018 J, Z-1, Planck's constant, h 6.626076 x 10-34 J s, and c is the speed of light, c- 2.9979x 108 m/s. Express the answer in nanometers (1 nm 1x109 m).
750 mt 2. Calculate the molecular weight of Freon-12, if 122.70 liters of its vapor at 200.00 C and 790.00 mm Hg has a mass of 397.00 g. Show your work. 3. Suppose a student performs this experiment and obtains a molecular weight of 70 g/mol for isopropyl alcohol. Give valid sources of error for what could have caused the molecular weight to be higher than expected. 4. Suppose a student performs this experiment and obtains a molecular weight of...
Havir vaen (H) atom. te the value of calculate the s. The mass of syste 12.37 Calculate the radius (in pm) of the Heion in its y 12.38 Using Equation 10.23, confirm the value of the Rydberg constant for the hydrogen (H) Next, substitute the reduced masse for the mass of the electron me, and calculate the va the Rydberg constant for the hydrogen (H) atom. Again using the reduced mass, calcula Rydberg constant for the deuterium (H) atom. Compare...
A student performs experiment to termine the density of S o uton. She sugar solution is 1.40 g/ml, which statement below best describes terrest? is the following : 70 L 139 De actual value for the dersity Select one A Her results are precise, but not accurate B. Horrests are accurate, but not precise C. Her results are both precise and accurate D orrests are neither precise nor accurate E It is possible to determine with the information given