A. Use Bohr's equation, shown below, to calculate the wavelength of light emitted in the following electronic transitions. Give your answers in nanometers (nm), where 1 nm = 1 × 10–9 m. i. n = 2 n = 1

ii. n = 4 n = 1

iii. n = 6 n = 1

Large helium-filled balloons are used to lift scientific equipment to high altitudes. what is the pressure inside such a balloon if it starts out at sea level with a temperature of 10.0ºc and rises to an altitude where its volume is twenty times the original volume and its temperature is – 50.0ºc ?

How many moles of oxygen gas are produced from the decomposition of six moles of potassium chlorate

In a chemical reaction, the final amount of the products is determined by the a. universal gas law b. law of definite proportions c. air pressure d. temperature e. none of the above me