Find δe for the change in state of 1.0 molh2o(l) at 80 ∘c to h2o(g) at 112 ∘c. the heat capacity of h2o(l) = 75.3 j/molk, heat capacity of h2o(g) = 25.0 j/molk, and the heat of vaporization of h2o is 40.7×10^3j/mol at 100 ∘c.

Aroller coaster car is traveling down a track at 22 m/s. the car has a mass of 2000 kg. what is the kinetic energy of the car? a) 22,000 j b) 968,000 j c) 484,000 j d) 44,000 j

Acompound contains c, h, and o atoms. when 1.130 g of the compound is burned in oxygen, 1.064 g co2 and 0.3631 g h2o are produced. what is the empirical formula of this compound?

What type of interaction occurs between the r groups of valine and isoleucine in a tertiary structure? view available hint(s) what type of interaction occurs between the r groups of valine and isoleucine in a tertiary structure? salt bridge disulfide bridge hydrogen bond hydrophobic interaction