Which element shares the most characteristics with neon (Ne) ?

A gas is contained in a thick-walled balloon. When the pressure changes from 18.7 psi to 20.2 psi, the volume changes from 0.475 L to 1.054 L and the temperature changes from K to 465 K.

1. Using the balanced equation, answer the following questions: 2KClO3 → 2KCl + 3O2 a. How many molecules of O2 will be formed from 34.35 grams of KClO3? b. How many grams of KCl will be formed from 52.53 grams of KClO3?

A candy bar has a total mass of 75.0 grams. In a calorimetry experiment, a 1.0-g sample of this candy bar was burned in a calorimeter surrounded by 1000g of water.

What is the definition of diploid

A student obtains the following dа ta: Mass of empty, dry graduated cylinder: 20.134 g Volume added of NaCl solution: 6.744 mL Mass of graduated cylinder NaCl solution: 33.393 g What is the density of the solution?

58. Explain why each successive ionization of an electron requires a greater amount of energy. (6.3)

Define Average speed

Is the equation 3Br2+2Ga 2GaBr3 which of the following is not true

What is the equivalent mass of HBr in a complete neutralization reaction?

What would be the total mass of the products of a reaction in which 25 grams of table salt decomposes into the elements sodium and chlorine?