Which statement best describes the difference between a molecular equation and a net ionic equation?

What is the amount of time a medication aide should instruct the resident to hold his breath when using a metered dose inhaler?

During resuscitation, a patient’s rhythm changes from ventricular fibrillation to a slow, wide-complex rhythm at a rate of 30 beats per minute with no palpable pulse. What is the most appropriate step in the management of care?

The name of PCl3 is ________.

 BONUS QUESTION(Optional): Lithium and nitrogen react in a combination reaction to produce lithium nitride:               6Li (s) + N2 (g) → 2Li3N (s)  In a particular experiment, 2.50-g samples of each reagent are reacted. The theoretical yield of lithium nitride is ________ g. YOU MUST SHOW WORK FOR THIS QUESTION

Osmium has a density of 22.6 g/cm3. What volume (in cm3) would be occupied by a 21.8 g sample of osmium? YOU MUST SHOW WORK FOR THIS QUESTION

How many carbon atoms are there in 52.06 g of carbon dioxide? YOU MUST SHOW WORK FOR THIS QUESTION

The formula weight of Zn(ClO4) is ________ amu. YOU MUST SHOW WORK FOR THIS QUESTION

Iron wire weighing 5.6 g is placed in a beaker and 15.0 g of dilute hydrochloric acid is added.  The acid, reacting with the metal, gives off hydrogen gas, which escapes.  The remaining contents of the beaker weigh 20.4 g.  What is the mass of hydrogen that escaped?

Which one of the following is the highest temperature? YOU MUST SHOW WORK FOR THIS QUESTION