Three hundred grams of aluminum are heated from - 50 ◦c to 300 ◦c. if the specific heat of aluminum is 0.88 j / (g ◦c), what is the change in entropy of the aluminum?

In what other planets did differentiation occur? Neptune Mercury Venus Jupiter Mars

What is the definition of to squeeze a gas into a smaller space

What monatomic ions do selenium (z = 34) and phosphorus (z = 15) form? (type your answer using the format [cu] + for cu + and [cu]2 + for cu2+.) ?

The number of pretons in an atom is that element's 6. The mber of protons and neutrons in an atom is that tem's member 7 The abity of mater o to be drown into a thin wire is called B.

When 25.0 grams of solid potassium hydroxide (KOH, molar mass = 56.1 g/mol) is dissolved in 100.0 grams of water, the solution increases in temperature by 61.5ºC.

What is classified as a pure substance

How can a scientist make sure that the results are not a mistake in an experiment?

Although nuclear energy has many applications, concerns still remain in the area (s) of: control of facilities and waste products accidental spills, leakage and theft of materials lack of safety training for employees all of these

A 0.08024 M solution of NaOH was used to titrate a solution of unknown concentration of HCl. A 32.08 mL sample of the HCl solution required 16.30 mL of NaOH solution for complete reaction. What is the molarity of the HCl solution?

Explain in terms of collision theory, how and why a reactions's rate changes as the reaction progresses