A certain shade of blue has a frequency of 7.07 * 1014 Hz. What is the energy of exactly one photon of this light?

An example of an extensive property of matter is

Which of the following is true about endothermic reactions? The change in enthalpy is positive and the reactants contain more energy than the products. The change in enthalpy is negative and the reactants contain more energy than the products.

Convert each of the potentials. The silver-silver chloride and calomel reference electrodes are saturated with KCl, KCl, resulting in cell potentials of + 0.197 V and + 0.241 V with respect to the standard hydrogen electrode (S. H. E.), respectively.

Whats the difference between biomass and fossil Fuels

Papers scattered randomly across the desk represents high entropy and are a good example of which law?

When a solution is considered to have a high concentration of hydrogen ions (H+) is also considered to be? a) acidic b) basic c) neutral d) hot

Why does the sky change colors at sunset? 1 because the sun changes colors 2 because the atmosphere reflects colors 3 because long wavelengths are scattered the least 4 because short wavelengths are scattered the least

Consider the reaction N2 (g) + 3 H2 (g) 2 NH3 (g), which is exothermic as written. What would be the effect on the equilibrium position of adding N2 (g) ?

According to Table I, which equation represents a change resulting in the greatest quantity of energy released? 1. 2C (s) + 2H2 (g) - > C2H4 (g) 2. 2C (s) + 3H2 (g) - > C2H6 (g) 3. N2 (g) + 3H2 (g) - >2NH3 (g) 4. N2 (g) + O2 (g) - > 2NO (g)

Calculate the number of liters in 3.25 g of ammonia