a mixture of two compounds give absorption bands at 1470, 1595, 1700, 2720, and 2740 cm -1. what compounds are present

for step 7 table c on the lab "newtons law of action"   the average time it took the car to travel .25 meters   was 1.92 seconds.

the average time it took the car to travel 0.50 meters was 2.61 seconds

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answersilicon (si); oxygen (o);