Which phenomenon demonstrates the particle nature of light?

a. Diffraction c. Photoelectric effect

b. Interference d. Refraction

Solid white phosphorus melts and then vaporizes at high temperature. gaseous white phosphorus effuses at a rate that is 0.404 times that of neon in the same apparatus under the same conditions.

How many hydrogen atoms are in 4.00 mol of ammonium sulfide?

Roundup, an herbicide manufactured by Monsanto, has the formula C₃H₈NO₅P. How many moles of molecules are there in a 304.3-g sample of Roundup?

Write a balanced chemical equation for the reaction that occurs when calcium metal undergoes a combination reaction with O2 (g).

11. A proton is also known as this ion.

how do i Calculate the grams of silver chloride produced from 18.5 ml of 4.5M magnesium chloride with 99.2 ml of 1.75 M silver nitrate in a step by step?

You are conducting an experiment on plant growth. You take a plant fresh from the soil that weighs 5 kilograms (kg). Then you dry the plant overnight and determine the dry weight to be 1 kg.

Proof is the standard measure used to determine how much alcohol is contained in an alcoholic beverage

One type of detector used in gas chromatography is a thermal conductivity detector (tcd). what two elements commonly make up the wire (filament) used in tcds

A sample of C3H8 has 6.72 x 10^24 H atoms. What is the total mass of the sample?