Answer:
183N
Explanation:
183N we have to add both mass
Answer:
Heat energy is transferred to cooler objects to reduce the temperature of those objects.
Explanation:
The fourth option is not correct.
A correct way of writing it would be : " Heat energy is transferred from cooler objects to reduce the temperature of those objects.". When an object loses heat energy, its temperature reduces. Conversely, when an object receives heat energy, its temperature increases.
The correct answer is c. H3PO4 2H++ HPO42¯(Phosphoric acid)
<h3>
Phosphoric acid</h3>
Known also as ortho-phosphoric acid, phosphoric acid is a triprotic acid that occurs as a viscous liquid. It irritates or corrodes human skin, eyes, and other mucous membranes as well as those of experimental animals. However, the irritancy potential of its salts is much smaller. When mice were exposed through inhalation, moderate toxicity was seen. Both phosphate salts and phosphoric acid have been shown to enhance the action of recognized carcinogens, however phosphoric acid alone is neither genotoxic nor carcinogenic. Typically, irrigation or water flushing are used to treat exposures. As a food addition to different cola drinks, phosphoric acid has attracted a lot of attention but also generated a lot of debate due to its potential for negative effects.
Which chemical equation shows the dissociation of 2 protons from trihydrogen phosphate
(phosphoric acid)? (other substances / rxns can be used)
a. H3PO4 H2++ HPO4¯
b.H3PO4 H22+ + PO42¯
c. H3PO4 2H++ HPO42¯
d. H3PO4 H33+ + PO43¯
Learn more about Phosphoric acid here:
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Answer:
inner energy shells are involved in radioactive activity
Educated Guess Here!
Since Br-80 does not exist, maybe that means Br-79 or Br-81 have very unequal abundances. For example, Br-79 may have 75% abundance whereas Br-81 may have 25% abundance.
