Why is frying an egg an example of a chemical change?
a- atoms are lost during the reaction as bonds are broken.
b- atoms are gained during the reaction as new bonds form.
c- the products have different properties than the reactants.
d- the properties of the reactants are seen in the products.

What stress will shift the following equilibrium system to the left? n2(g) + 3h2(g) ⇌ 2nh3(g) adding more n2(g) adding more nh3(g) increasing the pressure of the system reducing the volume of the container

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

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