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77julia77 [94]
3 years ago
5

Bananas Foster is an example of a dessert that is flambéed. A Bananas Foster label states the accepted number of Calories to be

only 300 calories, but a calorimetry experiment measured there to be 318 calories. Calculate the percent error.
Chemistry
1 answer:
WINSTONCH [101]3 years ago
4 0

Answer:

6.00%

Explanation:

Step 1: Given data

Accepted value for the number of calories in a Bananas Foster: 300 calories

Measured value for the number of calories in a Bananas Foster: 318 calories

Step 2: Calculate the percent error in the measure

We will use the following expression.

%error = |accepted value - experimental value|/ accepted value × 100%

%error = |300 cal - 318 cal|/ 300 cal × 100% = 6.00%

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4 years ago
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At what volume of added acid is the phph calculated by working an equilibrium problem based on the initial concentration and kbk
nikdorinn [45]

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<h3>What is pH ?</h3>

pH is used to measure whether the substance is acidic, basic or neutral and the range is 0 - 14.

<h3>What is Neutralization Reaction ? </h3>

Neutralization reaction is a chemical reaction in which an acid and a base react quantitatively with together.

Neutralization reaction equation:

Acid + Base → Salt + Water

Thus from the above conclusion we can say that In an acid-base neutralization reaction, the equilibrium reaction would be between a weak base and its conjugate strong base. So, this must be the basis of the volume of added base.

Learn more about the Neutralization reaction here: brainly.com/question/23008798

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3 0
2 years ago
Draw a Lewis structure for SO2 in which all atoms have a formal charge of zero. Explicitly showing the zero charges is optional.
Radda [10]

Answer:

See explanation and image attached

Explanation:

"A formal charge (FC) is the charge assigned to an atom in a molecule, assuming that electrons in all chemical bonds are shared equally between atoms, regardless of relative electronegativity" (chemlibretext).

We can obtain the formal charge from the formula;

Formal Charge = [number of valence electrons on atom] – [non-bonded electrons + 1/2number of bonds].

A structure in which SO2 has a zero formal charge is attached to this answer.

Image credit: Chemtopper

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Explanation:

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If you add 90 mL of 0.15M stock solution, to 10 mL of water, what is the new concentration?
lyudmila [28]

0,15 moles of NaOH-------in------------1000ml

x moles of NaOH------------in--------100ml

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final volume = 150ml

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answer:  0,1mol/dm³  (molarity)

6 0
3 years ago
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