Red light has a wavelength of about 7*10-7 m. will exposure to red light cause electrons to be emitted from cesium?

22. How many atoms are there in 344.75 g of gold nugget? a. 1.05 x 10 to the power of 24 atoms b. 1.05 x 10 to the power of 23 atoms c. 6.02 x 10 to the power of 23 atoms d. 197 atoms Is B the answer

Why was gold not historically used for tools?

What would you expect to happen to the weight of a dialysis tubing bag containing 0% sugar solution after being placed into a beaker containing 50% sugar solution for one half hour?

What forces hold network solids together? A. Hydrogen bonds O B. Covalent bonds O C. Metallic bonds D. Ionic bonds

Que diferencia hay entre masa y peso

Which explanation best compares the movement of particles in the three states of matter? A. Particles in a gas can only vibrate. In a solid, they slide against each other. In a liquid, they move freely, bouncing and bumping into each other. B.

What is the molecular formula of the compound with a molecular weight of 112 g/mol and percent composition: 85.6% c and 14.4 % h

Calculate the enthalpy of combustion, δh∘comb, for c6h14. you'll first need to determine the balanced chemical equation for the combustion of c6h14. express your answer to four significant figures and include the appropriate units.

Complete this equation for the dissociation of NH4NO3 (aq).

Solve the following: 2.05 x 102 - 1.02 x 101