a 100.-gram sample of liquid is heated from 20.0 degrees celsius to 50.0 degrees celsius. the specific capacity of water is 4.18 j/g degrees celsius determine the amount of heat absorbed by the water

What is the relation between concentration of reactants and the rate of chemical reaction?

Chen drew a diagram to compare the ways in which different organisms obtain nitrogen. which label belongs to the area marked z?

Which statements are true concerning mineral formation? check all that apply. the slower the cooling, the larger the crystals. the faster the cooling, the smaller the crystals. crystals formed from magma are smaller than crystals formed from lava. minerals can only form in solutions when the solution is heated deep underground. when a solution cools, elements and compounds leave the solution and crystallize as minerals. minerals formed from hot water solutions can form narrow channels in the surrounding rock.