In the table, record the temperature of each thermometer every 2 minutes for the first 10 minutes. Then record the temperature every 5 minutes for the next 20 minutes (30 minutes total). If the temperature exceeds your thermometer rating, move the lamp farther away and repeat this step. Interval Time
(hour : minutes) Temperature
Thermometer 1
(T1) Thermometer 2
(T2)
Initial
+2 min
+2 min
+2 min
+2 min
+2 min
+5 min
+5 min
+5 min
+5 min

there is none because earth is stationary and flat.

elements make up everything, and they combine to make compounds.

the answer is c

a). in this case, dh> 0 and sd> 0. if t becomes larger, the term "-tds" will become more negative. at some point, it is possible that -dts will be more negative than the dh is positive, and the reaction will become spontaneous. this is probably the correct answer, but you should look at all of the other possibilities and make sure of that.