PLS HELPP if a substance weights 2.37g and occupies a space of 4.2mL, will that sunstance float or sink when placed in water? Water had a density of 1.0 g/mL

How many moles of air are there in a human lung with a volume of 2.4 l at stp? explain your answer

Which change in temperature is the smallest? a change of 1 thomson degree a change of 1 kelvin degree a change of 1 fahrenheit degree a change of 1 celsius degree

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.