If the alum reaction was done starting with 12.000 g of al, how many moles of hydrogen gas would be produced according to the balanced equation?

if an atom has a mass number of 226 and an atomic number of 88. how many protons and neutrons does it have

Which element does X represent in the following expression: 2512X?

State the number one way of increasing the solubility of a substance and explain why it has that effect. Also, explain two ways that you can increase the rate of dissolving for substance.

Is it true or false that some ecosystems can recover after a disturbance

By pushing backwards a roller skater moves forward. This is an example of Newton's

A biological supply company is advertising the synthesis of a new compound. scientists note that when the compound is added to a particular chemical reaction, the reaction increases dramatically. the compound is likely a

Potassium nitrate, KNO3, decomposes to form potassium nitrite, KNO2, and oxygen gas, O2. Write the balanced equation for this decomposition reaction.

What's the mass of a 1.25 l sample of a liquid that has a density of 0.921 g/ml?

1°C indicates the same temperature change as

Write the name of the following compound: H3PO4