Measuring Biomass and Chemical Energy Store

Complete the following statement:

One way of measuring……………is to calculate the mass of ………..per given ……..

And if its measured over ……. we use units of time such as …/m

biomass

carbon

area

time

grams

One way of measuring biomass is to calculate the mass of carbon per given area.

A second way of measuring biomass is to calculate the ………. ……….per area.

dry

mass

What do we call the total amount of energy stored in biomass which all biomass has?

……… …….. …….

chemical energy store

The chemical energy store in biomass is stored in the ……….of chemical compounds.The chemical energy store is produced during…………

bonds

photosynthesis

Which method do scientists use to estimate the chemical energy store of dry biomass?……..

where a wight sample of …. biomass is placed in a …….. and …….. with oxygen which breaks the ……… of the biomass relasing chemical energy as ……… energy and increasing the …….. of surrounding ……..

calorimetry

dry

chamber

burnt

bonds

heat

temperature

water

the heat energy released per gram is calculated using:

…. …. ….…(J/cm/°C) x (……….cm3)x ………….. …….(°C) / …… ... …… .………(g)

SHC of water (J/cm/°C) x water volume (cm3) x temperature change (°C)/ mass of dry biomass (g)