A recipe for candy requires that the liquid ingredients be stirred constantly until the liquid reaches a temperature of 140 C. What type of spoon wood or metal will prevent burns to a persons hand while storing the hot liquid? explain your choice.

What shape would a molecule with two bound groups and two lone pairs have?

Consider a culture medium on which only gram-positive organisms such as staphylococcus aureus colonies can grow due to an elevated nacl level. a yellow halo surrounds the growth, indicating the bacterium fermented a sugar in the medium, decreasing the ph as a result and changing the color of a ph indicator chemical. this type of medium would be referred to as a differential and enrichment culture.

How many atomic mass units are equal to 1.672×10−24 g of protons?