Given that the specific heat of copper 0.385J/g∙K and that it takes 209.9J of energy to heat a sample of copper from 24.3°C to 49.9°C, find the mass of the copper

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?

What is the percent by mass of magnesium sulfate in mgso4.7h2o

Complete the statements based on water’s polarity and ability to form hydrogen bonds. water’s boiling point is abnormally than expected. water has a surface tension, allowing adhesion, cohesion, and capillary action. water has a capacity to retain heat, keeping moderate climates warmer in the winter. water as it freezes, so ice floats when expected to sink.answers are higher high high expands