How many calories are required to raise the temperature of 50.0 grams of water to 75.0 °c

Well, a calorie raised 1 gram of water by 33.8 degrees celcius so 33.8 degrees times 50 is your answer. I don't have an calculator with me so... ya. sorry.

This is what i found “nuclear fuel is material used in nuclear power stations to produce heat to power turbines. heat is created when nuclear fuel undergoes nuclear fission. most nuclear fuels contain heavy fissile actinide elements that are capable of undergoing and sustaining nuclear fission.” i hope this you for what your looking for. can you plz mark me brainliest?

The problem here is that according to aufbau principle before 3d orbital 4s subshell comes.after filling 3p orbital with electrons you have 4 electrons left, you place two in 4s with opposite spin and the other two in 3d in any of its two orbitals of total five orbitals with the same spin.