What trend does the first ionization energy follow, going down the periodic table?

How many atoms and molecules are present in 124 gram of phosphorus

If the concentration of nucleophile increases does the reaction go faster

A rigid 8.77L tanks contains 1.45 moles oxygen at 20°C. what is the pressure in atm?

How many milliliters of a 0.70 M solution of barium hydroxide, Ba (OH) 2, are necessary to neutralize 55 mL of a 1.4 M solution of sulfuric acid, H2SO4?

At what temperature did the water outside the school building most likely begin to change into ice

Consider the following statements. A. Molecules of hot water have less kinetic energy than those of cold water. B. For most solids, solubility increases when temperature increases. C.

Which describes the fourth state of matter known as plasma? A It is a liquid containing nuclei and electrons. B It is a gas containing nuclei and electrons. C It is a liquid containing electrons created by fusion.

The process of using dna to produce complementary rna molecules is called

A substance contains 36.1 percent calcium and 63.9 percent chlorine by weight. What is the empirical formula of the given compound? A. CaCl B. Ca0.9Cl1.8 C. CaCl2 D. Ca2Cl4

A sample of bismuth weighing 0.687 g was converted to bismuth chloride by reacting it first with HNO3, and then with HCI, followed by careful evaporation to dryness. The mass of the bismuth chloride obtained was 1.032 g.