In a calorimeter, Copper: mass 100 g, initial temperature 100 °C; Water: mass 2000 g, initial temperature 40 °C. The final temperature is 40.27 °C.
What is the temperature change for copper? "C*

Spherical shaped cell might increase the surface area and decrease the volume.

Ithink that b is correct but just in case wait to see if someone else answers

Plants take energy from the sunlight with the of chlorophyll so the plant starts the food chain. then an herbivore eats the plant and gets its energy.then a carnivore or a human eats the herbivore and gets its energy. : )

Hypoglycemia corresponds to a blood glucose lower than 0.60 g / l. his symptoms are: *a sudden energy drop.*nervousness, irritability, and tremors.*a pallor of the face.*sweats.*a headache.*nausea*palpitations.*an imperious hunger.*a state of weakness.*dizziness, drowsiness.*an inability to concentrate and an incoherent speech.*vagal discomfort signs of drug poisoning are variable depending on the substance taken. but for hypoglycemia, they affect the peripheral nervous system, then spread to the central nervous system if the blood glucose is very low, and this becomes a medical emergency.