Calculate the collision frequency for 1.0 mole of Krypton (Kr) at equilibrium at 300 K and 1.0 atm pressure.
Which of the following alterations increases the collision frequency more?

A. doubling the temperature
B. at constant pressure
C. doubling the pressure at constant temperature

Compare the valence electron configuration of the nobles gas elements seen here. what statement is correct?

Sodium nitrite (nano2) reacted with 2−iodooctane to give a mixture of two constitutionally isomeric compounds of molecular formula c8h17no2 in a combined yield of 88%. draw reasonable structures for these two isomers. click the "draw structure" button to launch the drawing utility. place the two compounds in the appropriate boxes below.

Read the claim. breakfast is an important meal. it jump starts the body’s process of using calories to break down food. appetite can decrease with age, but going too long without eating causes metabolism to slow down. current research shows that incorporating legumes such as lentils and chickpeas into meals boosts metabolism for twenty-four hours. who might benefit from this claim? people who have a fast metabolism stores that sell exercise equipment people who take vitamin supplements grocery stores that sell legumes