Explanation:
The main functions of the cell wall are to provide structure, support, and protection for the cell. The cell wall in plants is composed mainly of cellulose and contains three layers in many plants. The three layers are the middle lamella, primary cell wall, and secondary cell wall
The mass of bismuth carbonate that decomposed is 0.445 g
calculation
write the equation for reaction
that is Bi2(CO3)3 → Bi2O3 +3 CO2
find the moles of of CO2 formed
At STP 1 mole of a gas = 22.4 L
what about 50 Ml
convert the Ml to Liters = 50/1000= 0.05 L
moles of CO2 formed is therefore= 1 mole x 0.05 L/22.4 l =2.232 x10^-3 moles
by use of reacting ratio between Bi(CO3)3 to CO2 which is 1:3 the moles of Bi(CO3)3 is = 2.232 x10^-3 x1/3= 0.744 x10^-4 moles of Bi(CO3)3
mass of Bi(CO3)3 = molar mass x number of moles
mass= 0.744 x10^-4 moles x 597.99 g/mol = 0.445 grams
it will go radio microwave infrared ultraviolet
The pressure of the gas is 3.52 atm
<u><em>calculation</em></u>
This is calculated using the Boyle's law formula
that is P1V1= P2V2 where;
P1 = 1.65 atm
V1 =22.8 L
P2 =? atm
V2 = 10.7 L
make P2 the subject of the formula by dividing both side by V2
P2 = P1V1 / V2
P2 = (1.65 atm x 22.8 l) / 10.7 L = 3.52 atm