Friday
November 28, 2014

Posts by lop


Total # Posts: 4

Chemistry
Suppose you want to heat a mug of water (250mL) from room temperature at 25oC to 100oC to make a cup of tea. How much energy (in units of calories and joules) would you need from your microwave? Please make chart!!
March 23, 2012

Chemistry
75x250x4.184=78450 J 78450/4.184= 18750 Cal
January 22, 2012

MATH
How do yoi solve 1+1=?????????? "WHAT?!!?" ummmmmmm dont u just put the 1's together... i think its 11. Thanks DUDE!!!! :') All this time I thought it was 2! :' ) Ha-Ha! How dumb was I. Welp; that's what I get for thinking.... :')
January 18, 2007

chemistry
which element has 16 protons, 17 neutrons, and 16 electrons? Look on the periodic table. It is element number 16 since that is the number of protons and electrons. I know sulphur has 16 of each. However, it might be an isotope of sulphur to have 17 neutrons. http://www....
October 24, 2006

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