3. How much heat (in joules) is needed to raise the temperature of 355 g of ethanol I (c = 2.4 J/gºC) by 63°C?

q=mcAT

4. a 20-kg child is tossed up into the air by her parent. the child is 2 meters off the ground traveling 5 m/s. circle one: ke / gpe / both show your work for finding the values of each type of energy the object has:

What is the molecular weight of copper

What occurs when a cell engulfs large food particals