1. Activation energy is ___

A) The heat released in a reaction

B) The energy barrier between reactants and products

C) The energy given off when reactants collide

D) Generally very high for a reaction that takes place rapidly

What is the percent copmosition of chromium in CrF3

Describe the pattern of synthesis (combination) and decomposition reactions.

Decomposition NH3 =

How many moles are there in 2.6 x 10^24 atoms of Calcium? a. 7.0 x 10-24 moles of Cab. 4.4 molesc. 168.36 molesd ...10 moles

Label each bond in the following compounds as ionic or covalent (10) (a) F2 (b) LiBr (c) NaNH2 (d) CH3CH3

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