Answer:
7.32g of HNO3 are required.
Explanation:
1st) From the balanced reaction we know that 2 moles of HNO3 react with 1 mole of Ca(OH)2 to produce 2 moles of H2O and 1 mole of Ca(NO3)2.
From this, we find that the relation between HNO3 and Ca(OH)2 is that 2 moles of HNO3 react with 1 mole of Ca(OH)2.
2nd) This is the order of the relations that we have to use in the equation to calculate the grams of nitric acid:
• starting with the 4.30 grams of Ca(OH)2.
,
• using the molar mass of Ca(OH)2 (74g/mol).
,
• relation of the 2 moles of HNO3 that react with 1 mole of Ca(OH)2 .
,
• using the molar mass of HNO3 (63.02g/mol).

So, 7.32g of HNO3 are required.
H2O
This equation is a double displacement reaction, and it forms H2CO3, which is very unstable and separates into H2O and CO2.
<h3>
Answer:</h3>
1. Irreversible Inhibition-Inhibitor may permanently modify an enzyme
2. Irreversible inhibition- Tamiflu, a transition state analog, reversibly binds to neuraminindase
3. Competitive Inhibition-Inhibitor binds reversibly to an enzyme's active
4.Irreversible inhibition-Inhibitor binds to an enzyme at a site other than active site
5. Mixed inhibition-The Al3+ ion binds to acetylcholinesterase or to the acetylcholinesterase- substrate complex
6. Irreversible inhibition-DIPF permanently modifies the hydroxyl group of a Serine residue at the active site
<h3>
Explanation:</h3>
- An enzyme is a biological catalyst that catalysis chemical reactions.
- Enzyme activity is influenced by several factors which include enzyme inhibitors, temperature, and pH among others.
- Enzyme inhibitors are molecules that bind to the enzyme thus interfering with enzyme activity and preventing the binding of substrate to the enzyme.
- Inhibitors may either irreversibly or reversibly bind the enzymes.
- Competitive inhibitors compete with substrates for the active sites while non-competitive inhibitors bind irreversibly to other sites on the enzyme other than the active site.
- Tamiflu is an example of a competitive inhibitor.
- DIPF is an example of a non-competitive inhibitor as it binds the enzyme permanently.
7 valence electrons in an atom