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Elenna [48]
3 years ago
5

Jack hypothesize that more mold will grow on a slice of bread that is left in the dark that a slice of bread left in the light h

e wants to do in experiment to test this hypothesis Jack has four slices of bread for this experiment was condition should not be the same for the four slices of bread in order to test a hypothesis a The type of bread b used to be where the bread is placed c how long the bread is being observed The amount of jelly on them
Chemistry
1 answer:
cestrela7 [59]3 years ago
7 0
A- The type of bread. some breads can become moldy faster than others.
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Answer:

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Explanation:

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3 years ago
Is the following a redox reaction? Explain.<br> NH₃(aq) + HCl(aq) → NH₄Cl(aq)
jeyben [28]

The process is not a redox reaction.

The reaction between ammonia (NH_{3} )and hydrochloric acid (HCl) to produce ammonium chloride (NH_{4} Cl) has modified the oxidation number of no atom in the reactants. As a base, ammonia interacts easily with hydrochloric acid to produce ammonium chloride salt. A neutralization reaction between an acid and a base is what the described process is, and it is NOT a redox reaction.

A reaction is referred to as a redox reaction if two or more reactants belonging to a single reaction exchange one or more electrons, i.e., one reactant releases one or more additional electrons while the other obtains one or additional electrons. The reacted substance that releases electrons is oxidized and becomes a reducing substance. A reduced oxidizing agent is the reactant that accepts electrons.

Learn more about redox reaction: brainly.com/question/13293425

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3 0
2 years ago
You completed three terra-forming trials. Describe how the suns mass affects planets in a solar system. Use the data your record
fgiga [73]

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The suns mass effects the solar system by having a great gravitational pull.  This cause the success rate to grow lower each time.

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3 years ago
What mass of oxygen is needed for the complete combustion of 4.60×10−3g of methane?
sp2606 [1]
First step in answering the question is to establish a balanced chemical reaction equation. More specifically, a combustion chemical equation. 

CH4 + 2O2 ---> CO2 + 2H20

Then using dimension analysis: 

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guajiro [1.7K]
Neutron or neutral and electran are positive
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