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Oxana [17]
3 years ago
15

A common misconception people have is that sugar is energy and energy is sugar but you know better. Give me ideas of a clear exp

lanation that could be used to clear up this misconception, please?????!!!!!!
Chemistry
1 answer:
Mrrafil [7]3 years ago
3 0
For a human to survive we require amounts of glucose which is readily found in sugar. example-when people say their sugar levels are low they tend to be more exhausted and less energetic. this is actually a lack of glucose in the body and can be replaced by ingesting a amount of it. however glucose isn’t only found in sugar but can be found in a variety of foods. so sugar doesn’t give us energy - it’s the glucose within it.
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234

Explanation:

so 3 x 3 x 26 =234

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An atomic mass unit is defined as precisely 1/12 the mass of an atom of carbon-12.

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How is primary succession similar to secondary succession
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Explanation:

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Does changing the number of neutrons change the identity of the element you have built ?
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3 years ago
Suppose you have just added 200.0 ml of a solution containing 0.5000 moles of acetic acid per liter to 100.0 ml of 0.5000 M NaOH
uranmaximum [27]

Answer:

The final pH is 3.80

Explanation:

Step 1: Data given

Volume of acetic acid = 200.0 mL = 0.200 L

Number of moles acetic acid = 0.5000 moles

Volume of NaOH = 100.0 mL = 0.100 L

Molarity of NaOH = 0.500 M

Ka of acetic acid = 1.770 * 10^-5

Step 2: The balanced equation

CH3COOH + NaOH → CH3COONa + H2O

Step 3: Calculate moles

moles = molarity * volume

Moles NaOH = 0.500 M * 0.100 L

Moles NaOH = 0.0500 moles

Step 4: Calculate the limiting reactant

For 1 mol CH3COOH we need 1 mol NaOH to produce 1 mol CH3COONa and 2 moles H2O

NaOH is the limiting reactant. It will completely be consumed (0.0500 moles). CH3COOH is in excess. There will react 0.0500 moles . There will remain 0.500 - 0.0500 = 0.450 moles

There will be produced 0.0500 moles CH3COONa

Step 5: Calculate the total volume

Total volume = 200.0 mL + 100.0 mL = 300.0 mL

Total volume = 0.300 L

Step 6: Calculate molarity

Molarity = moles / volume

[CH3COOH] = 0.450 moles / 0.300 L

[CH3COOH] = 1.5 M

[CH3COONa] = 0.0500 moles / 0.300 L

[CH3COONa]= 0.167 M

Step 7: Calculate pH

pH = pKa + log[A-]/ [HA]

pH = -log(1.77*10^-5) + log (0.167/ 1.5)

pH = 4.75 + log (0.167/1.5)

pH = 3.80

The final pH is 3.80

7 0
3 years ago
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