Which of the following is correct for the equation below?

2P (s) + 3Cl2 (g) → 2PCl3 (g) + 574 kJ

Two metal samples, X and Z, of the same mass and initially at 25.0 degrees Celsius, are heated so that each metal receives the same amount of thermal energy. Which metal will have the highest final temperature? Specific heat capacity of X = 0.

The energy of an electron in a hydrogen atom is determined by

Sound is not part of a electromagnetic spectrum because A: Sound is not a type of energy wave B: Sound is not a type of electromagnetic radiation C: Sound does not have a wavelength D: Sound does not have a frequency

Porcentaje de fierro en óxido ferroso

Is chlorine or phosphorus trichloride more polar

Transferring or sharing electrons between atoms forms

Ions that consist of a single atom are called ... ions

Ecosystems are clearly separated from one another. Where one ecosystem stops, another begins A: True B: False

Mass_mole relationship

What is the momentum of an 800-kg car | traveling at a velocity of 10 m/s? What is its momentum if it speeds up to 50 m/s?