What must be part if a quantitative observation?

2.00 moles of an ideal gas was found to occupy a volume of 17.4 L at a pressure of 3.00 atm and at a temperature of 45 °C. Calculate the value of the gas constant 'R' in (Latm) / (molK)

Ions are held close together by a

Balance Fe3O4 + H2 = Fe + H2O

Calculate the enthalpy change when hydrogen gas is combined with bromine liquid to make hydrogen bromide gas.

The equation NaCI + AgF - > NaF + AgCI is an example of what type of reaction -single replacement -decomposition -combustion -double replacement

For the separation of the unknown mixture, you are instructed to isolate the amine followed by the acid and finally the neutral. Does the order matter? If not, what other orders could be followed?

As ice melts and changes from solid to liquid, A) entropy increases. B) kinetic energy decreases. C) an exothermic reaction occurs. D) the random movement of molecules remains constant.

What volume of 0.480 m koh is needed to react completely with 15.8 ml of 0.150 m h2so4? assume the reaction goes to completion?

Which sample of water contains particles having the highest average kinetic energy?

Use the terms magnetic field and magnetic pole in a sentence