For 5.2 x 10 ^ -4 M of Ca(OH)2, determine the {OH-} and {H3O+}

Which step in naming unsaturated hydrocarbons is used for alkenes but not alkynes

Large helium-filled balloons are used to lift scientific equipment to high altitudes. what is the pressure inside such a balloon if it starts out at sea level with a temperature of 10.0ºc and rises to an altitude where its volume is twenty times the original volume and its temperature is – 50.0ºc ?

If a fast moving car making a loud noise approaches and moves past the person what will happen as the distance between the two increases?