Explain why applying a lubricant, such as oil, to the surfaces of a machine causes the efficiency of the machine to increase.

What material does not melt at any temperature

Word equation for k(s) +h2o(l) yield koh (aq) + h2

Imagine one batch of soup (batch “a”) is made with 8.19 g/can of salt, according to the recipe, and a second batch of soup (batch “b”) is made with 8.32 g/can of salt. explain which batch would be more resistant to frost damage if it is shipped a great distance in winter and explain why.