Radium-223 is a radioactive isotope with a half-life of 11.4 days. how long (in days) will it be before 87.5% of the sample has decayed?

If a balloon is expanded from 0.055 l to 1.403 l against an external pressure of 1.02 atm, how many l⋅atm of work is done?

Whic of the following are causes of cataracts select all that apply

In addition to intermolecular forces affecting liquid properties, they also influence gas properties but to a smaller degree. One property that is influenced for a gas is the pressure.

2.4.3 What do we call this method when they place the object in the water to find its volume?

Which of these properties is a general property common to both acidic and basic solutions? Conducts electricity Feels slippery Reacts with metals Tastes sour

Aluminum is more reactive than iron, yet it is used today for a variety of applications in which iron would corrode (cans, rain gutters, etc.).

Identify three types of coral reefs

A low pKa means the acid the strong. < - - - Is that right?

Does the buckminsterfullerene conduct electricity?

If an element has 2 valence electrons, how many dots will be in the elements dot diagram?