How many joules of heat are absorbed to raise the temperature of 435 grams of water at 1 atm from 25°c to its boiling point, 100°c? (cp of water = 4.18 j/g°c)

How does the value of the equilibrium constant show that a reaction reaches equilibrium very quickly? (a) the equilibrium constant is large. (b) the equilibrium constant is small. (c) the equilibrium constant is zero. (d) the value of the equilibrium constant does not show how quickly a reaction comes to equilibrium.

What is the empirical formula of a compound that is 50.7% antimony and 49.3% selenium ?

The concentration of ionic substances is important for the heart to beat. your heart responds to electrical impulses that travel through heart cells that are made up mostly of water. which properties of ionic compounds are important to support this function? solubility in water conductivity crystalline melting point