When using the ideal gas constant value, R = 0.0821, in an ideal gas law calculation, the units of pressure may be expressed in units of atmospheres or kilopascals.

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How many electrons belong to a neutral atom with an atomic mass of 36 amu?

How do you calculate the number of valence electrons in an atom?

What does 5000 mg = g in chemistry

A stable, binary ionic compound exists where the cation (A) has a charge twice in magnitude than that of the anion (X). What would be the correct formula for this compound?

Why is distilled water added to the crucible after igniting the magnesium metal?

A large boulder falls from an underwater ledge and crashes on the floor of the ocean. A pod of dolphins is 800 meters away. Determine how long it takes for the sound of the crash to reach the dolphins. A) 0.5 sec B) 0.3 sec C) 2.3 sec D) 1.9 sec

Given 4.80g of ammonium carbonate, find: Number of moles of the compound Number of moles of ammonium ions Number of moles of carbonate ions Number of moles of hydrogen atoms Number of hydrogen atoms

The density of water is 1.0 g/cm3 will rubbing alcohol float with a density of 0.81 g/cm3

Write an equation that shows the formation of the phosphide ion from a neutral phosphorus atom.

Which of the following terms is defined by the measure of mass per unit of volume? gravity density weight acceleration