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Proper attire is required to work in the lab.  Your shoes      

An exothermic reaction ____________ energy to/from the surroundings, has a _________

Suppose a thermometer has marks at every one degree increment and the meniscus level on the thermometer is exactly between the 25 and 26 degree Celsius marks.  We should properly report the temperature measurement as     

What is the key equation for spectrometry experiments?

The drench hose should be used    

A sample of 7.50 kg gaseous oxygen fills a 100.0 L flask at 289oC. What is the pressure of the gas, calculated from the van der Waals equation of state? Round your final answer to 3 significant figures.  a=1.360 L2/mol2 b=0.03183 L/mol

H Br , HI , H NO3, Na Br , and KNO3 are all classified as ________.

If you do not complete a lab experiment, you should

In case of an emergency evacuation

Material Safety Data Sheets are