Which numerical process will determine the mass (in grams) of carbon in 1.312 mol of acetaminophen (C8H9NO2)?  The molar mass of acetaminophen is 151.18 g/mol.

What is the energy of a photon with a wavelength of 245 nm? 

Of the substances below, which will hydrogen bond with water?  

A Bohr model of an atom of hydrogen is shown in the figure. Which transition(s) depicted by arrows result in energy emission, found as a line in the atomic emission spectrum?  

How much time (in seconds) is needed to deposit 0.0125 g of chromium from a solution of Cr(NO3)3 with a current of 1.50 A? The molar mass of chromium is 52.00 g/mol.  

What isotope is depicted in the figure?      

Which set of quantum numbers is correct and consistent with n = 3?

A mixture is made of 100.0 mL of water and 1.0 g of silver chloride, AgCl.  What does this solution look like and what mass of silver chloride is in the solution? The molar solubility of AgCl is 1.3×10–5 and the molar mass is 143.32 g/mol.

The formation of hydrazine, N2H4, is: N2(g) + 2H2(g) ⇌ N2H4(l) This reaction has the energy diagram shown. Which change will increase the value of K?

What is the equilibrium expression for the reaction below? 2Fe(s) + 3CO2(g)  ⇌ Fe2O3(s) + 3CO(g)