How many moles of potassium are in 41.2 g of K2HPO4?

2-furaldehyde has the absorbance spectrum shown below. Which of the following energy diagrams best reflect the two major absorbance wavelengths of 92 nm and 110 nm? Picture2.png  Picture3(1).png 

Rank these electron transitions from longest to shortest wavelength of the radiation needed to induce them. Picture7.png 

Which of the following types of radiation has the highest energy? Picture 4(1).png

A substance is found to have 55.8% C, 7.0% H, and 37.2% O, and its mass spectrum is shown below. What is the molecular formula of this compound? Picture1(1).png 

Which of the following best describes the Balance of Power theory?

Which of the following is NOT true about European colonization in North America?

Which of the following does NOT apply to the French Revolution?

Which of the following is NOT true regarding the period after the American Revolution?

Which of the following is not true of Louis XV of France?