During a phase change, the temperature remains constant although heat is still being added. What is the BEST explanation for what the heat energy is being used to do? A.
increasing the movement of particles

B.
weakening or breaking the inter molecular forces

C.
making chemical bonds to form new substances

D.
moving the particles closer together

Imagine that you push on a large rock. at what point does your effort change the rock’s mechanical energy?

What best discribes the relationship between wavelength and frequency in a electromagnetic wave

Consider the following reaction at equilibrium: c(s)+h2o(g)⇌co(g)+h2(g) predict whether the reaction will shift left, shift right, or remain unchanged upon each of the following disturbances. a) c is added to the reaction mixture. b) h2ois condensed and removed from the reaction mixture c) co is added to the reaction mixture d) h2 is removed from the reaction mixture.