If a certain compound has a formula H2X. What is the Valency of X?

Archimedes principle of buoyancy

What is the molar mass of Al2 (SO4) 3? 150.03 g/mol 278.03 g/mol 342.17 g/mol 450.09 g/mol

Can plants cause chemical weathering by breaking down soil during photosynthesis

What is the ph of a solution made by mixing 25.00 ml of 0.100 m hcl with 40.00 ml of 0.100 m koh? assume that the volumes of the solutions are additive. what is the ph of a solution made by mixing 25.00 ml of 0.100 m hcl with 40.00 ml of 0.

How many molecules in 11 grams of CO2?

If wave A has a frequency of 4.60 x 10^14 s-1, what is the wavelength in nanometers (show your work) ?

What is the mass in grams of 85.32 mL of blood plasma with a density of 1.03 g/mL?

The molar solubility of Ag2CO3 is 0.074M at 10°C. What is the Ksp of Ag2CO3 at the same degree?

You would know you were in the troposphere If? It were raining on you You were floating in space You were flying in a high altitude jet You were in the ozone later

A burning match is an example of a chemical change phase change nuclear change physical change