The enthalpy of a system is the same as its: a. specific heat. b. heat of reaction. c. heat of combustion. d. heat content. reset selection mark for review what's this?

An alcohol thermometer makes use of alcohol's changing in order to measure temperature. as the temperature goes up, the alcohol contained in the thermometer increases in volume, filling more of the thermometer's tube.

There are 6.022, 104 atoms of hg in 1 mole of hg the number of atoms in 45 moles of hg can be found by multiplying 4.5 by 6.022, 102 which is the number of atoms in 4.5 moles of hg, correctly written in scientific notation with the correct number of significant figures? 0 21,109 0 21,100 271, 1024 27.099, 100 mark this and retum save and exit submit

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