3 years ago

Baking a cake is an example of -

1 answer:

5 0

I think the correct answer is D. Baking a cake is an example of endothermic reaction. The chemical changes happening when you bake a cake includes denaturing proteins in milk, eggs, and flour. Chemical bonds are broken and new bonds are made. To aid these changes, heat is supplied by the heat in an oven.

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Though alchemists were often superstitious, they left a rich legacy for modern chemists. What was their main contribution?

topjm [15]

though alchemists were often superstitious, they left a rich legacy of modern chemists. what was their main contribution-

Explanation:

they were the first to preform experiments.

5 0

3 years ago

Oliver needs to standardize a base solution by titration with an acid solution of known concentration. He finds the volume of th

Olin [163]

Write a balance equation for the reaction between the analyte and the titrant.
Calculate the # of moles of titrant using the volume of titrant required and the concentration of titrant.
Calculate the # of moles of analyte using the stoichiometric coefficients of the equation.
Calculate the concentration of the analyte using the number or moles of analyte and the volume of analyte titrated.

7 0

2 years ago

Which diagram shows a pair of electrons that have opposite spins? 011 1 011 o 11h

Neporo4naja [7]

Answer:

1 one is the right........

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3 years ago

4 AlF3 + 3 O2 ----------> 2Al2O3 + 6 F2

anyanavicka [17]

Explanation:

6 F2------->4 AlF3

F2-----------> 4/6 AlF3

8.25 F2 ---------> 4×8.25/6 AlF3

so 5.5 moles

8 0

3 years ago

According to the law of conservation of mass, the total mass of the reacting substances is

atroni [7]

Answer:

I would say the last one because mass is not created nor destroyed.

Explanation:

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2 years ago