What is mass for physical science

A 9.84 ounces ingot of unknown metal is heated from 73.2 degrees fahrenheit - 191.2 degrees fahrenheit this requires 3.912 calories of energy calculate the specific heat of the metal

An atom of sodium has an atomic mass of 23 and an atomic number of 11. The atom contains

How many neutrons make up one of these potassium atoms

What is the chemical formula for ammonium carbonate?

What is the purpose of subscripts in chemical formulas A. So the chemist can multiply the chemical formula by that number B. To let the chemist know that the element is a noble gas C. To indicate that the element has isotope D.

4 - explicar as mudanças de estados fisicos da materia 6 - definir e exemplificar: -Ligações iônicas ou eletrovalente -Ligações covalentes ou molecular 7-definir substancias puras e suas clasificações 8-definir e exemplificar misturas homogeneas e

What ion forms when an acid is dissolved in a solution?

Suppose you found a material in which 12.5% of the original radioactive atoms were present. if the half-life is 47 years, how old is the material?

How many neutrons does xenon have?

Warm air pushes cool air downward Rising air cools and becomes more dense than the air around it. True/false