2. A sample of water is heated from 10.0°C to 15.0°C by the addition of 125 J of energy. What is the mas of the water?

Achange in the number of neutrons in an atom will change an blank . when the number of protons changes in an atom, a new element will form.

Which of the following statements about hybrid orbitals is or are true? choose all that apply. choose all that apply. under sp2 hybridization, the large lobes point to the vertices of an equilateral triangle. after an atom undergoes sp hybridization there is one unhybridized p orbital on the atom. the angle between the large lobes of sp3 hybrids is 109.5∘

The polymer used for the nonstick surface of cooking utensils is 24.0%c and 76%f by mass. what is the empirical formula of this polymer?