In a laboratory experiment, a student burns a marshmallow that has 13.5 Calories (56.7 kJ). If it was burned completely, ideally, how much heat energy would it give off?

Between 2014 and 2016, more than 25,000 children in flint, michigan, drank water that was contaminated with lead from lead pipes. during this time, the city claimed the water was safe to drink. which of these actions could the city have taken to ensure that the drinking water was free from lead?

Using the periodic table, complete the table to describe each atom. type in your answers

Identify the missing numbers below to show the result of multiplying the numbers (1.6 × 10-19)(5.0 × 106) = c × 10d