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2 years ago

Working principles of lithium/solid electrolytes batteries

Chemistry

1 answer:

saw5 [17]2 years ago

8 0

Answer:

The electrolyte carries positively charged lithium ions from the anode to the cathode and vice versa through the separator. The movement of the lithium ions creates free electrons in the anode which creates a charge at the positive current collectors

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Explanation:

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2 years ago

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35. Which of the following atoms has the most possible bond sites?

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C phosphorus has 5 bond sites.

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3 years ago

The density of air at ordinary atmospheric pressure and 25 ∘C is 1.19 g/L. What is the mass, in kilograms, of the air in a room

marshall27 [118]

Given:
The density of air = 1.19 g/L at 25°C and atmospheric pressure,
or
density = 1.19 x 10⁻³ kg/L

Volume of air in the room is
V = 12.5*19.5*6.0 = 1462.5 ft³

Note that
1 ft³ = 28.317 L
Therefore
V = (1462.5 ft³)*(28.317 L/ft³) = 4.1414 x 10 ⁴ L

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Therefore, the mass is
(1.19 x 10⁻³ kg/L)*(4.1414 x 10⁴ L) = 49.283 kg

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3 years ago

A student obtained 2.00 g of pure caffeine following recrystallization from a crude sample, which originally weighed 2.56 g. Wha

Lady_Fox [76]

Answer: 78.125%

Explanation:

From the question, we are informed that a student obtained 2.00g of pure caffeine following recrystallization from a crude sample, which originally weighed 2.56g.

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= Mass of pure caffeine / Mass of crude sample × 100

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7 0

3 years ago

1) 14.7 moles of Au react, how many grams of Au will that be?

lawyer [7]

<h3>Answer:</h3>

2900 g Au

<h3>General Formulas and Concepts:</h3>

Math

Pre-Algebra

Order of Operations: BPEMDAS

Brackets
Parenthesis
Exponents
Multiplication
Division
Addition
Subtraction

Left to Right

Chemistry

Atomic Structure

Reading a Periodic Table
Moles

Stoichiometry

Using Dimensional Analysis

<h3>Explanation:</h3>

Step 1: Define

[Given] 14.7 mol Au

[Solve] g Au

Step 2: Identify Conversion

[PT] Molar Mass of Au - 196.97 g/mol

Step 3: Convert

[DA] Set up: $\displaystyle 14.7 \ mol \ Au(\frac{196.97 \ g \ Au}{1 \ mol \ Au})$
[DA] Multiply [Cancel out units]: $\displaystyle 2895.46 \ g \ Au$

Step 4: Check

Follow sig fig rules and round. We are given 3 sig figs.

2895.46 g Au ≈ 2900 g Au

6 0

3 years ago

Working principles of lithium/solid electrolytes batteries​

Working principles of lithium/solid electrolytes batteries