How much energy is required to melt 2 kg of copper?

Which of these properties, used alone, would be least useful in identifying most minerals? a. color b. luster c. streak d. density

What is the correct equation for cellular respiration?

Which of the following is true about a carbonated soft drink? . the carbon dioxide is the solvent, and water is the solute.. the water is the solution, and carbon dioxide is the solvent.. the carbon dioxide is the solution, and the water is the solvent.. the water is the solvent, and the carbon dioxide is the solute.. .