This is your assignment: How much energy would it take to change 15 grams of ice at -5 °C to steam at 110 °C?
Its five steps please show work

The big bang nucleosynthesis theory states that elements were produced in the first few minutes of the big bang while elements have their origins in the interiors of stars, forming much later in the history of the universe.

If 90.0 grams of ethane reacted with excess chlorine,how many grams of dicarbon hexachloride would form

Which element is the least metallic between cadmium, silver, zinc, or iron?