I think it shows how the temperature of a substance changes when heated
1) first, write the balanced equation:
2KOH + H₂SO₄ ---> 2H₂O + K₂SO₄
2) convert grams of sulfuric acid to mole using it's molar mass.
molar mass H₂SO₄= (2 x 1.01) + 32.0 + (4 x 16.0)= 98.0 g/mol
2.70 grams (1 mol/ 98.0 grams)= 0.0276 moles
3) use the mole to mole ratio from the balanced equation to change the moles of sulfuric acid to moles of potassium, hydroxide (KOH).
ration--->2 mol KOH = 1 mol H₂SO₄
0.0276 mol H₂SO4 (2 mol KOH/ 1 mol H₂SO₄)= 0.0551 mol KOH
4) convert moles to grams using the molar mass of KOH
molar mass of KOH= 39.1 + 16.0 + 1.01= 56.1 g/mol
0.0551 mol (56.1 grams/ 1 mol)= 3.09 grams
The most important reaction involved in the reoxidation of NADH is Pyruvate → lactate
Two ATP were generated as a net result of glycolysis, two NAD+ were converted to two NADH + H+, and two glucose molecules were divided into two pyruvate molecules.
Pyruvate will go through a process called fermentation when oxygen is absent.
The NADH + H+ from glycolysis will be recycled back to NAD+ during fermentation, allowing glycolysis to proceed.
NAD+ is converted during the glycolysis process into NADH + H+.
Glycolysis cannot proceed without the presence of NAD+.
The NADH produced during glycolysis will be oxidised to create new NAD+ during aerobic respiration, when it will be used once more in glycolysis.
Pyruvate will undergo oxidation in the absence of oxygen or if an organism is unable to engage in aerobic respiration.
Hence The most important reaction involved in the reoxidation of NADH is Pyruvate → lactate
Learn more about Reoxidation here
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John Dalton, an English chemist
Cooper is the substance that can't be decomposed by a chemical chAnge. So 4)
