What is the Element hydrogen made from

Explain, in terms of collision theory, how increasing temperature affects the rate of a reaction.

The two basic properties of all matter are volumelength and densitymass.

A chemistry student needs 65.0g of acetone for an experiment. She has available 250. g of a 12.5% w/w solution of acetone in chloroform. Calculate the mass of solution the student should use.

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

Explain the electrical conductivity of melted and of aqueous solutions of ionic compounds using the characteristics of ionic compounds

What kind or plate tectonic boundary is the san anfreas fault?

Which city's climate is most similar to Jakarta, Baltimore or Kuala Lumpur? Data Table Shanghai, China (31° N, 121° E) Baltimore City, USA (39° N, 76° W) Helsinki, Finland (60° N, 24° E) Banff, Canada (51° N, 115° W) Kuala Lumpur, Malaysia (3° N

State four uses of protein in human body?

If a particular ore contains 55.1 % calcium phosphate, what minimum mass of the ore must be processed to obtain 1.00 kg of phosphorus? Express your answer with the appropriate units.

Which best describes thermal energy? It is the difference between internal energies of two or more substances It is the sum of internal energies of two or more substances O It is the portion of internal energy that can be transferred from one