A force is a push or pull on an object that could affect its motion. Which is an example of a non-contact force?

How many mmols of tris-hcl are there in 100 ml of a 100 mm tris-hcl buffer solution at ph 8.1? note that the 100 mm refers to the sum of tris and tris-hcl concentrations?

Which metals are called noble metals

In an exothermic reaction, energy may be released to the surroundings in the form of question 4 options: heat light thermal all of the above