Which element in period 5 of the periodic table is a transition element

2NaHCO3-->Na2CO3+H2O+CO2

When discussing the Arrhenius equation and chemical / enzyme kinetics, which of the following statements is incorrect? A. A catalyst lowers the activation energy of a reaction B.

Predict if a reaction would occur when solutions of 0.1 M Al (NO3) 3 and 0.1 M KI are combined. Explain your reasoning, and, if you predict a reaction will occur, include the net ionic equation for the reaction.

Chem question! With reference to the "Chemistry at Work" box on explosives, use bond enthalpies to estimate the enthalpy change for the explosion of 1.00 g of nitroglycerin. I found that the answer is 7.85 KJ, but how?

Old oceanic crust is more dense than new oceanic crust because

Plastic, rocks, and steel are all matter. They are made of tiny particles that can't be broken down into smaller pieces. These particles are called:

The palm tree with island is a population or biome or community

A gene is a section of dna within a chromosome that codes for a

An electron charge e mass m and a positron charge e mass m revolve around their common center of mass under the influence of their attractive coulomb force Find the speed v of each particle in terms of e m k and their separation L

Find the density of an object with a volume of 2.5 cm3 and a mass of 8.0 g.