How much heat in calories would need to be absorbed by 1.5 g of liquid water to raise its temperature by 30.45 °C?The specific heat of liquid water is 1 cal/g°C. Units are required.

Suppose a lab group reports a ppercent yield of sand of 105. is it really possible to collect more sand than was originally represented? what is the possible explanation for the extra product?

The human eye contains a molecule called 11-cis-retinal that changes shape when struck with light of sufficient energy. the change in shape triggers a series of events that results in an electrical signal being sent to the brain that results in vision. the minimum energy required to change the conformation of 11-cis-retinal within the eye is about 164 kj/mol.

What is the percentage of hydrogen in c2h4