Which of the substances evaporated first? acetone rubbing alcohol mineral oil water

Imagine that you have produced several versions of lactase, each of which differs from normal lactase by a single amino acid. describe a test that could indirectly determine which of the versions significantly alters the three-dimensional shape of the lactase protein.

If 10.g of agno3 is available, what volume of 0.25 m agno3 can be prepared

Express the following number in scientific notation. 0.026890 =