Answer: Between 8 and 14
Explanation: Ammonia is an inorganic compound of formula NH₃. Also known as ammonium hydroxide, it behaves as a weak base.
pHydrion paper is a chemical test indicator, i.e., it indicates the pH of a substance.
If inserted in Ammonia, pHydrion will indicate a range of 8 to 14 because in pH scale, indication of base is over 8 and up to 14. The exact number depends on the hydrogen ion concentration of the substance.
The
correct answer is The person would develop low blood pressure and feel faint
because the heart will be pumping less blood with each heartbeat.
<span>
The thickening of the heart muscle may block
blood flow out of the ventricle which then must work hard to pump blood. As a
result, the symptoms can include chest pain, dizziness or fainting.</span>
<span>One can infer from this situation the following things: first, the fertilizers used in the farm eventually get to the adjacent river. Second, these fertilizers may be providing some benefitial conditions to the algae, allowing it to grow exponentially and strongly.</span>