Answer:
The most important information is: financial charges, annual fees, minimum payments and how the balance is calculated.
Explanation:
A Schumer Box is a table where the credit card companies disclose all the terms and conditions necessary to make a contract with them, as well as disclose all fees, charges, balances and elements that make up the credit card.
All information shown on a Schumer Box is important, but the most important is that which deals directly with the customer's money or balance. This information is: financial charges, annual fees, minimum payments and how the balance is calculated.
Answer:
0.396 grams of lithium
Explanation:
Lithium-ion batteries have the main feature of using lithium salts as a "bridge" between the positive pole (anode) to the negative (cathode) to allow the passage of energy that will give life to our device. In the case of lithium polymer batteries, the difference is that the lithium salt is contained in a polymer, or gel, to keep it safe from spills.
In both cases, when the battery is discharging, lithium ions travel from the cathode to the anode through their "bridges" to supply the energy until all the ions are in the anode, it is at this time when the battery is out of stock The ions travel in the opposite direction during charging (from the anode to the cathode).
<u>The calculation used to determine the amount of lithium that the lithium cell batteries have is as follows</u>:
0.3 x amp hour capacity = g of lithium
where amp hour = Ah
<u>In our case</u>:
0.3 x 1.32 = 0.396 g of lithium
Answer:
11.3 g/mL.
Explanation:
- Density is a characteristic property of a substance.
- The density of a substance is the relationship between the mass of the substance and the volume it takes up.
<em>d = m/V,</em>
where, d is the density of the metal,
m is the mass of the metal (m = 12.475 g),
V is the volume that the metal takes up (V = 6.1 mL - 5.0 mL = 1.1 mL).
<em>∴ d = m/V =</em> (12.475 g)/(1.1 mL) = <em>11.34 g/mL ≅ 11.3 g/mL.</em>
<em>The significant figures has its rules in the calculations; the result has a significant figures to the lowest no. of significant figures (1.1 has two significant figures, while 12.475 has 5 significant figures), so the result should have only 2 significant figures.</em>
Mole of electron required by 
mole is 
- Faraday law expressed how the change that is been being produced by a current at an electrode-electrolyte interface is related and proportional to the quantity of electricity that is been used.
- There is one mole of electron required for 1 Faraday of electricity.
- Avogadro constant is
- Mole of electron can be calculated by dividing the number of electron by avogadro's constant.
=
= 
Therefore, it requires 
Faraday of electricity for the 
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