Given the following equation, 2 N2 + 5 O2 â 2 N2O5, 1.25 moles of nitrogen requires _____ moles of oxygen.
Causes of sickle cell anaemia. Sickle cell anaemia is caused by a genetic mutation that affects the normal development of haemoglobin. A genetic mutation is a permanent change in the normal pattern of genetic information inside all living cells.This results in one or more of the body's processes not working properly.ickle cell anaemia is caused by a genetic mutation that affects the normal development of haemoglobin. A genetic mutation is a permanent change in the normal pattern of genetic information inside all living cells. This results in one or more of the body's processes not working properly.
1 People with sickle-cell anemia have a gene that causes the blood protein hemoglobin to form abnormally. 2  As a result, red blood cells are produced in a sickle shape. â 3 This can cause painful episodes called crises, and even strokes and heart attacks,â Murray says. Sickle-cell anemia. 2  People with sickle-cell anemia have a gene that causes the blood protein hemoglobin to form abnormally. 3  As a result, red blood cells are produced in a sickle shape.