Why is pure oxygen stored as a liquid under pressure?

A.) It will change to ozone

B.) It is toxic to breath.

C.) It irritates the eyes and skin.

D.) It is highly flammable.

Elements with atomic numbers above 95 are called what elements

The crucible is not fired, as the procedure suggests, but had retained some impurities from previous use (or it could be oily smudges from fingers). The mass of the "dirty" crucible is recorded. However the impurities are burned off the experiment.

2. How much heat is released when 432g of water cools down from 710C to 180C?

Convert the given quantities. Give your answer with the appropriate number of significant figures. Convert 6g/cm^3 to kg/m^3. Convert 50 °F to °C. Convert 4.3 into meters.

A 25.0 sample of liquid has a mass of 22.1 grams what's the liquids density

What would happen if coffee were brewed without a filter? what does the filter do?

Definition: This is the male reproductive cell.

How many moles of ethylene can react with 12.9 l of oxygen gas at 1.2 atm in 297 k

What factors of nuclear reactors cause it to be so complex? Select all that apply. A) the chain reaction must be controlled at all times B) without proper cooling the reactor will overheat C) requires multiple different types of materials for the

Except for elements with atomic number 1 and 2, all other elements are stable with how many electrons in their outermost energy level