Linda used 3 2/3 gallons of gas on Friday and 2 3/5 gallons of gas on Saturday. How many more gallons of gas did she use on Friday?

What royal scientist used the 29th day of frozen vapor to encounter elements for mastering new culinary creations?

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At a certain temperature the rate of this reaction is first order in hi with a rate constant of : 0.0632s2hig=h2g+i2g suppose a vessel contains hi at a concentration of 1.28m . calculate how long it takes for the concentration of hi to decrease to 17.0% of its initial value. you may assume no other reaction is important. round your answer to 2 significant digits.