In an endothermic reaction, is the potential energy of the products higher or lower than the potential energy of the reactants?

What is the compound of P2O5

What are some examples of replacement reaction?

The molar mass of barium nitrate (Ba (NO3) 2) is 261.35 g/mol. What is the mass of 5.30 * 1022 formula units of Ba (NO3) 2?

A motorist travels a distance of 406km. during a 7 hour period. what was the average speed?

In what order did mendeleev arrange the elements in the periodic table

How quickly or slowly a substance heats or cools is measured by its

Which of the following is true concerning the noble gases? A. Their highest occupied s and p sublevels are filled. B. They belong to Group 8A. C. They are sometimes referred to as the inert gases. D. all of the above

Which of the following is responsible for passing albinism from a parent organism to its offspring?

Rubidium has two naturally occurring isotopes, rubidium - 85 (atomic mass = 84.9118 amu; abundance = 72.15%) and rubidium - 87 (atomic mass = 86.9092; abundance = 27.85%). Calculate the atomic weight of rubidium

You are asked to analyze an aqueous solution (X) and determine what's in it. You pour some of your sample X into a test tube and add a few drops of an acid. No observable reaction occurs.