Why does chlorine react vigorously with hydrogen in the presence of sunlight?

Which of the following is NOT an assumption about an ideal gas? a. There are no intermolecular forces of attraction. b. The molecules do not collide with each other. c. The molecules have no kinetic energy. d. The molecules occupy no volume.

How much energy does it take to convert. 500 kg of ice at - 20°C to steam at 250°C. Specific heat capacities: Ice: 2.03 J/g °C Water: 4.2 J/g°C Steam: 2.0 J/g C

What is the pOH of a solution that has a hydroxide ion concentration of 1.0*10-4 M?

Why will an element that is brittle lacks luster and has 6 valence electrons be in group 16

Which statement describes a homogeneous catalyst? It is in a gaseous phase only. It is in the same phase as the reactants. It is completely consumed by reactants. It forms different products than the uncatalyzed reaction forms.

What should I do for science fair this year?

A buffer solution has 0.625 M HCN and 0.575 M CN-. If 0.030 moles of NaOH is added to 400. mL of the buffer solution, what is the pH after the addition? The pKa of hydrocyanic acid is 9.31.

What are the two categories of chemical sedimentary rock?

What is the significance of writing the formula of Sodium chloride as NaCl, and Sodium sulfide as Na2S?

Which of the following statements is not a description of Saturn? Known for its rings Largest planet in the solar system One of the gas giant planets Has several moons