What type of reaction takes place when the melting of a solid occurs?

How do u think the hardness and the density of a mineral that formed through metamorphism would compare to a mineral that formed through evaporation?

Which scientist provided a foundation for John Dalton's work on the atomic structure?

How much sulfur (in tons), present in the original materials, would result in that quantity of S) 2

Identify two metalloids that have the same number of electrons shells krypton B and Si Ge and As Sb and Te B and At

Because of the lack of reactives in a laboratory, you wish to prepare a solution of AgNO3 0.1 N, given two solutions, the first 0.0825N and the second 0.7280N. What volume of each of them you'll have to mix to obtain 1lt of the solution you want?

Sodium phosphate and calcium chloride react to form sodium chloride and calcium phosphate. If you have 379.4 grams of calcium chloride and an excess of sodium phosphate, how much calcium phosphate can you make?

What is the maximum number of electrons in the second electron shell, closest to the nucleus?

Which compound is formed from its elements by an exothermic reaction at 298 K and 101.3 kPa?

Energy can be transformed from one form to another. The diagram shows one such process. Which energy transformation is represented in the diagram?

Mathematically define heat capacity with equations.