Mg+ 2hcl> mgcl2 + h2 what is the volume of h2 produced in cm3 when 0.5mol of mg reacts with excess acid

Naoki's bicycle has a mass of 10 kg. if naoki sits on her bicycle and starts pedaling with a force of 168 n, causing an acceleration of 2.8 m/s2, what is naoki's mass?

Draw any one of the skeletal structures of a 2° alkyl bromide having the molecular formula of c6h13br and two stereogenic centers. indicate chirality by using wedge and hashed wedge notation. lone pairs do not need to be shown.

How many grams of phosphorus are contained in 5.09 moles of phosphorus?