PCL5[l]+4H2O=H3PO4+5HCL
CHECK;
on the L.H.S
P=1
CL=5
H=8
O=4
On the R.H.S
P=1
CL=5
H=8
O=4
45g ---> 2498kJ
1.55g ----> ?kJ
Answer: (1.55x2498)/45 approx 86.04 (kJ)
Answer
A reactant is a substance that is present at the start of a chemical reaction. These are what breakdown to form products and its always to the right.
A product is a substance that is present at the end of a chemical reaction. These are what are formed after the reactants are broken down, the end result.
Answer:
can you please list the options it gives u
The reactions that will take place will generate Zinc salts that will
taint the food. Excessive levels of these salts can cause sickness, so
it is very important to ensure food hygiene standards are met by keeping
acidic foods away from damaging materials like zinc that will erode and
get into the food.