11. b. How much energy is released when two hydrogen atoms nuclei collide in a fusion reaction to form a helium nucleus? m = 2.34 x 10-28 kg Give formula. show substitutions, and answer please help me

Which sentence about particles in matter is true? a. atoms are present in solids and liquids but not in gases. b. the particles of matter are in constant motion. c. the same kinds of atoms are found in different elements. d. when a solid changes to a liquid, the sizes of the particles change.

For each of the following compounds, decide whether the compound's solubility in aqueous solution changes with ph. if the solubility does change, pick the ph at which you'd expect the highest solubility. you'll find ksp data in the aleks data tab. compounds does solubility change with ph

What must be in balance for temperatures to remain constant?