Which of the following temperature is the coldest:

1) - 20 degree Celsius

2) - 20 degree Fahrenheit

3) 220 kelvin

Whats the mass of 225cm^3 of ethanol?

Two examples of organic chemical

What is the meaning of the word tetrad which is from the Greek word tetra? A. multiple B. tetris C. four D. double

Which solid will be more soluble in water, the one with the larger lattice energy or the one with the smaller lattice energy? assume that solute-solvent interactions are the same for both solids?

Name the compound mg3cl2 is it magnesium chloride?

Write the net ionic equation for the chemical reaction shown. Include physical states. HClO2 (aq) + NaOH (aq) ⟶H2O (l) + NaClO2 (aq)

Which if the following is an example of a stratovolcano?

There are five elements named for famous scientists on the periodic table

What character acids is that they react with metals to

The energy of a particular color of green light is 3.81*10-22 kJ/photon. The wavelength of this light is nanometers