The specific heat of water is 4.186 J g-1 °C-1. What is the amount of energy, in J, required to heat 10.00 g of water 20.00 °C? Don't worry about answering with units, Canvas will eat them. Significant figures are graded.

Compare and contrast physical changes with chemical changes.

Suppose the universe were completely empty except for one object-a solid sphere moving through space of 100 km/s. what sort of path would the object be moving in? explain your answer

Which statement is true about this reaction? 14n+1h 15o it is a practical source of energy on earth. it occurs only outside the solar system. its product is heavier than each of its reactants. it shows the critical mass of an element.