If 11,550 J heat is absorbed by a copper object when it is heated from 20.0°C to 30.0°C, what is the mass of the copper?
The specific heat of copper is 385 J/kgK.
A 3.00 kg
B 2.87 kg
C 3.7 kg
D 1.5 kg

Transfer chemicals from one location to another to weather objects. a-water b-physical weathering c-chemical weathering

What is the single most important equation in all of physics?

Iron is a transition metal with multiple oxidation numbers. (answer the following) a. what is the iron (ii) ion? how does it differ from the iron (iii) ion? b. if iron were to bond with oxygen, predict the formula for each oxidation number of iron. c. how would each formula be named?