when burning magnesium is placed in a glass jar of carbon dioxide, continue to burn and black solid is produce. question 1=How would you show that black jar contains co2?

Acylinder is filled with 2.00 moles of nitrogen, 3.00 moles of argon and 5.00 moles of helium. if the gas mixture is at stp, what is the partial pressure of the argon

When you perform this reaction, what could remain at the end of the reaction? check all that apply. excess reactant aqueous copper chloride excess reactant aluminum oxygen product solid copper carbon dioxide product aqueous aluminum chloride water

What is the temperature of one mole of helium gas at stp?