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3 years ago

What is the popular use of lithium batteries

Chemistry

1 answer:

AVprozaik [17]3 years ago

6 0

Answer:

Lithium batteries are well-known for powering our phones and the latest lightweight laptop computers.

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How do the following changes affect the value of the equilibrium constant for a gas-phase exothermic reaction:

mr Goodwill [35]

Answer:

A. increase equilibrium constant

B. decrease equilibrium constant

A. increase equilibrium constant

C. no effect

B. decrease equilibrium constant

Explanation:

5 0

3 years ago

The answer has to be 3 to 5 sentences for me to get full credit. ❤❤

shusha [124]

The periodic table is an important but rather dry scientific tool. It lists all the chemical elements, ordered by their atomic numbers. Elements with similar behavior are grouped in the same column (called a group), with metals generally on the left and non-metals (gases) on the right. Rows are called “periods” - hence, periodic table.

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8 0

3 years ago

The reaction of ethyl acetate with sodium hydroxide, CH3COOC2H5(aq)+NaOH(aq)⇌CH3COONa(aq)+C2H5OH(aq) is first order in CH3COOC2H

Ne4ueva [31]

Answer:

so the reaction rate increases by a factor 6.

Explanation:

For the given equation the reaction is first order with respect to both ester and sodium hydroxide

So we can say that the rate law is

$Rate(initial)=K[NaOH][CH_{3}COOC_{2}H_{5}]$

now as per given conditions the concentration of ester is increased by half it means that the new concentration is 1.5 times of old concentration

The concentration of NaOH is quadrupled means the new concentration is 4 times of old concentration.

The new rate law is

$Rate(final)=K[1.5XNaOH][4XCH_{3}COOC_{2}H_{5}]$

the final rate = 6 X initial rate

so the reaction rate increases by a factor 6.

7 0

4 years ago

Hydrogen and oxygen react to produce water. Which of the following is the correctly balanced chemical equation for this reaction

andrezito [222]

Answer:

2H₂ + O₂ ===> 2H₂O

Explanation:

4 0

2 years ago

Which type of electromagnetic radiation has a lower frequency than infrared radiation

Anastaziya [24]

Answer:

Microwave or Radio waves

Explanation:

3 0

3 years ago