A weather balloon with a volume of 261 L is launched at 20.0°C at sea level, where the atmospheric pressure is 1.00 atm. The balloon rises to an altitude of 2.00 x 104 m, where atmospheric pressure is 67.0 mmHg and the temperature is 210.0 K. What is the volume of the balloon at 2.00 × 104 m?

Draw the electron pushing mechanism

A plot of standard addition data looks like this: Abs (AU) -10 Standard Addition Case A -5 0.7 0.6 0.5 0.4 0.3 0.2 0.1 0 5 [S], (UM) Calculate [X] and [X]₁.: Intial volume 15 mL and total volume 25 mL y = 0.0237x + 0.2076 0 10 15 20

4- The four wires shown below are made from the same resistive material. Show the highest and lowest resistance wire. Explain your answer. A B 2L 2R C 2L 2R D ------

What kind of pattern can you get by exposing UV light through following quartz photomask to the Si wafer coated with negative and positive tone? Please draw pattern for each wafer. Cr Quartz Negative tone PR coated Si wafer Positive tone PR coated Si wafer

Stationary phase/s that can be used for both HILIC and NPLC Diol Cyano Unmodified silica Phenyl-bonded