Convert 218.4 g to kg

Recall the Lab Safety assignment that you completed last week.  Which of these were listed as correct substitutions for a fire extinguisher in your chemistry lab area?

Which is the correct way to handle this lab safety hazard: A scientist is directly smelling a chemical from an Erlenmeyer flask.    

Which is the correct way to handle this lab safety hazard: A container of flammable liquid has spilled and been left on the lab bench next to open flames.    

You have struck it rich and found a giant gold nugget in a stream while you were on vacation in Montana.  The volume of the gold idol is approximately 1.0 L. The density of gold is 19.3 g/mL and the density of sand is 2.3 g/mL. You want to determine if it is really pure gold. You weigh the nugget and measures the volume by a water displacement method. The results are:  mass = 16.5 kg and volume of water displaced = 954 mL. Is your gold made of pure gold? 

What are the properties that distinguish Metalloids on the Periodic Table from other types of elements?

Use the Selected Option Quotations for Proctor & Gamble (P&G) when responding to this question. It is November 9 and you have purchased the January X=65 call option on P&G and written the Jan X=67.50 call option on P&G (one contract in each case). If you hold both positions to the expiration date of the options, the maximum percentage return you can hope to make on your “initial net investment” is less than 200% (ignore transactions costs).

Atomic number and mass number differ in that atomic number is the number of ___ and mass number is ___ in an atom’s nucleus.

How many significant figures are in the following measured volume (22.0 mL) of  cough syrup?

A prior arrangement with a lender to borrow money up to some maximum is a/an