Develop a grouped frequency distribution
Develop a grouped frequency distribution for the following 28 scores using a class width of 4:
27 32 27 28 35 30 28 18 25 37 29 37 16 25
32 18 32 39 36 24 36 21 18 27 33 38 36 19
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Find out the critical constants of this substance when the van der Waals constants for HCL area = 3.67 atm-liter2mole-2, and b= 40.8 cc mole-1.
Determine the percent ionization of the cyanic acd, Ka=2.0 x 10-4, in a bufer solution that is having 0.10 M NaCNO and 0.50 M HCNO.
An object is positioned 4 cm in front of a 2 cm focal length lens. When a second similar lens is now positioned 2 cm behind the first, where will the final image be positioned?
The solubility of O2 in water is approximately0.00380 grams per liter of water when the partial pressure of gaseous oxygen is 760 torr and the temperature is 25.0°C.
An ice puck of .450 kg, moving east having a speed of 3.00 m/s, has a head on collision with a puck of 0.900 kg primarily at rest. Supposing a perfectly elastic collision, determine what will be the speed and direction of each object subsequent to
Illustrate the structure of isomer1. There are three isomeric dichlorocyclopropanes. Their HNMR spectra show one signal for isomer 1, two signals for isomer 2, and three signals for isomer 3.
Determine the numbers of signals will there be and which carbon will produce a signal at the highest frequency, for the carbon-13 NMR of 2,2-dimethyl-1-propanol?
If a 300 MHz spectrometer was used to produce an NMR spectra of the same sample where would this same signal appear (give answer in ppm)? Using a 60 MHz NMR spectrometer a signal for a sample appears at4.2 ppm.
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