How many moles of p2O5 can be produced from 67.1 ofO2

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A scientist makes several observations, develops a question, researches what is known about the question, forms a hypothesis, and performs a series of experiments to test her hypothesis.

How many moles of HNO3 are present if 2.50*10-2 mol of Ba (OH) 2 was needed to neutralize the acid solution?

Which of the changes are physical changes

Why are mechanical mixtures are sometimes called heterogeneous mixtures?

According to molecular orbital theory, all diatomic molecules with an even number of electrons will be diamagnetic. True or False?

Which of the following equilibria would be impacted by a change in pressure? Select the correct answer below: H2 (g) + I2 (g) →2HI (g) NO (g) + O3 (g) →NO2 (g) + O2 (g) 2SO3 (g) →2SO2 (g) + O2 (g) CO (g) + H2O (g) →CO2 (g) + H2

A common stain remover is sold in concentrated form as 3M sodium hypochlorite (NaOCl). You need to create 400 milliliters of a 0.5M solution of sodium hypochlorite to fill a spray bottle. What volume of 3M sodium hypochlorite is needed? 15.0 mL 66.

A chemical reaction that takes in heat is called: exothermic endothermic a phase change

Which of the following lines (of latitude or longitude) would represent by 180 longitude? South Pole Equator Prime meridian North Pole International date line