Water has a specific heat of 4.186 J/gºC, and ethanol has a specific heat of 2.450 J/g °C. Based on this
information, which best compares water and ethanol?
Ethanol has a lower molar mass.
Water has more protons and neutrons in its nuclei.
It requires less heat to raise the temperature of a gram of ethanol by 1°C.
There are less molecules in a gram of water.

Zoe is investigating the composition of substance a, an unknown substance. using chemical processes, she analyzes substance a and determines it is composed of sodium, oxygen, and hydrogen atoms in a ratio of 1 : 1 : 1. what is substance a? a. a compound b. an element c. a heterogeneous mixture d. a homogeneous mixture

Which sentence from holes contains an implied personality trait? stanley and his parents had tried to pretend that he was just going away to camp for a while, just like rich kids do. he'd just been in the wrong place at the wrong time. stanley felt somewhat dazed as the guard unlocked his handcuffs and led him off the bus. stanley nodded to show he understood

Describe the magnitude of the buoyant force