Activation energy is the minimum quantity of energy that the reacting species must possess in order to undergo a specified reaction.
for example , striking a match on the side of a matchbox provides the activation energy, in the form of heat produced by friction.
Dissolved O2 conc. in flask with algae will be higher since photosynthesis produces O2.
The Nurse should say that during the pregnancy the breast feels pain and also abdominal pain. This all is general pain that happens to every woman in their pregnancy state.
<u>Explanation:</u>
- Involution is the process that takes place during pregnancy time. It makes the uterus comfortable for childbirth.
- As it produces a hormone called oxytocin. The mammary glands are becoming size for the production of milk.
- Which is required for the baby. Pain also occurs in the back and also in the legs.
It regulates on/off like a light switch
The bonds that hold H2O2 together break apart and the atoms are rearranged to form water (H2O) and oxygen (O2) molecules. This happens slowly in store-‐bought hydrogen peroxide, so even in dark bottles, it will 'expire' in a year, or less if it's opened. ... And higher concentrations of H2O2 produce more oxygen.
