12. a sample of ethylene glycol, used in car radiators, has a mass of 34.8 g. the car releases, 783 j of heat. the initial temperature of the sample is 22.1 0c. what is the final temperature? the specific heat capacity of ethylene glycol is 2.42 (j/g 0c)

**urgent** roberto plans to use two transformers to reduce a voltage of 120 v to 4 v. he uses a transformer that has 300 coils in the primary winding and 50 coils in the secondary winding. he has four other transformers, as listed in the table. which transformer should roberto use to have an ending voltage of 4 v? a- w b-xc- yd- z

Which of the following is not a transverse wave? a) soundb) lightc) radiod) all of thesee) none of these

How does an increase in temperature generally affect the rate of a reaction?