A photon has a frequency of 2.9 * 10-16 Hz. Planck's constant is 6.63 * 10-34 J•s. The energy of the photon, to the nearest tenths place, is___ * 10-49 J.

What is a compound that you are mostly familiar with that has a polar covalent bond?

Brian has an object suspended in the air. It has a mass of 100 kg and is 25 meters above the ground. What is the object's potential energy

Which is more polar, a sulfur-bromine (s-br) bond or a selenium-chlorine (se-cl) bond?

7. a new element with atomic number 116 was discovered in 200. in 2012 it was named livermourium. although lv is radioactive and short-lived, its chemical properties and reactivity should follow periodic trends (a) Write the electron configuration

Which of the following is the SI unit used to measure mass?

Calculate how to prepare 250.00 ml of approximately 1.0 m hcl solution from the 2.5 m hcl solution. show your work.

If the volume of 0.100M HCl delivered to 10.0mL of NaOH is 12.0mL the NaOH concentration is

The mass of 126c is exactly 12 u. what is the total binding energy of this nucleus?

A reaction is in equilibrium as shown: a + b c + d. calculate the equilibrium constant if the final concentrations stabilize at: a = 9.60 m b = 10.0 m c = 4.00 m d = 4.00 m 0.167 0.408 2.45 5.99

When 10 liters of a gas at 1 atm is compressed to 3 liters at constant temperature, what property of the gas changes?