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shutvik [7]
2 years ago
11

You are on vacation with your family up in the mountains. Your friend is on vacation near the equator by the ocean. Explain whic

h climate will experience the most precipitation based on what you know.
Both climates will have the same amount of precipitation.
The ocean climate will have less precipitation because it is close to sea level.
The climate around the equator will have more precipitation because it is very hot.
The mountain climate will have more precipitation because it increases with elevation.
Chemistry
1 answer:
Kay [80]2 years ago
3 0

Answer:

it would be colder on the mountains becouse there is less air up there and it would be a lot more humid down by the ocean

Explanation:

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The standard cell potential for a reaction in an electrolytic cell is always:_____
GuDViN [60]

Answer:

The correct answer is <em>b. Negative</em>

Explanation:

An electrolytic cell is based on a reduction- oxidation reaction which is non spontaneous. That means that the standard cell potencial (Eº) is negative. For this reason, an electrical potential must be applied in order to force the reaction. Conversely, a galvanic cell is based on a spontaneous redox reaction, so the galvanic cell produces electrical energy.

7 0
3 years ago
A galvanic cell with E o cell = 0.30 V can be constructed using an iron electrode in a 1.0 M Fe(NO3)2 solution, and either a tin
Andreyy89

<u>Answer:</u> The half reactions are written below.

<u>Explanation:</u>

Oxidation reaction is defined as the reaction in which an atom looses its electrons. The oxidation number of the atom gets increased during this reaction.

X\rightarrow X^{n+}+ne^-

Reduction reaction is defined as the reaction in which an atom gains electrons. The oxidation number of the atom gets reduced during this reaction.

X^{n+}+ne^-\rightarrow X

We are given a chemical cell which is Fe-Sn cell. The half reaction follows:

<u>Oxidation half reaction:</u>  Fe\rightarrow Fe^{2+}+2e^-;E^o_{Fe^{2+}/Fe}=-0.44V

<u>Reduction half reaction:</u>  Sn^{2+}+2e^-\rightarrow Sn;E^o_{Sn^{2+}/Sn}=-0.14V

The substance having highest positive E^o potential will always get reduced and will undergo reduction reaction. Here, zinc will always undergo reduction reaction will get reduced.

<u>Total cell reaction:</u> Fe+Sn^{2+}\rightarrow Fe^{2+}+Sn

Hence, the half reactions are written above.

3 0
3 years ago
Who established atomic numbers as the basis for organizing the periodic table?
Jobisdone [24]

Answer:

Henry Moseley.

Explanation:

Hello,

Henry Moseley's work stated that it is better to organize the periodic table in the light of the atomic number (which accounts for the amount of protons and electrons) instead of the atomic mass, because atomic numbers are not arbitrarily assigned as long as they have the aforesaid physical basis.

Best regards.

3 0
3 years ago
Please help me!! 70 points!!
ICE Princess25 [194]
Do all substances dissolve in water? Kids explore the varying levels of solubility of common household substances in this fun-filled experiment!

Materials Needed:
4 clear, glass jars filled with plain tap water
Flour
Salt
Talcum or baby powder
Granulated sugar
Stirrer
Step 1: Help your child form a big question before starting the experiment.

Step 2: Make a hypothesis for each substance. Perhaps the salt will dissolve because your child has watched you dissolve salt or sugar in water when cooking. Maybe the baby powder will not dissolve because of its powdery texture. Help your child write down his or her predictions.

Step 3: Scoop a teaspoon of each substance in the jars, only adding one substance per jar. Stir it up!

Step 4: Observe whether or not each substance dissolves and record the findings!

Your child will likely note that that sugar and salt dissolve, while the flour will partially dissolve, and the baby powder will remain intact. The grainy crystals of the sugar and salt are easily dissolved in water, but the dry, powdery substances are likely to clump up or remain at the bottom of the jar.

As you can see, the scientific method is easy to work into your child’s scientific experiments. Not only does it increase your child’s scientific learning and critical thinking skills, but it sparks curiosity and motivates kids as they learn to ask questions and prove their ideas! Get started today with the above ideas, and bring the scientific method home to your child during your next exciting science experiment
7 0
2 years ago
The answers please to this
Vlad1618 [11]
I know for number 4 the answer is c, sorry I can't help with the others.
5 0
3 years ago
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