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2 years ago

In a reaction of an acid with a base, the pH changes to a value that is closer to what?

1 answer:

8 0

The pH changes to a value closer to 7, which is considered neutral.

This, however, only applies to all reactions between strong acids and strong bases. If the reaction either involves a weak acid and/or a weak base, the computation of the final pH may slightly be more complicated.

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Balance these equations:

MatroZZZ [7]

Explanation:

H² + Br² = 2HBr

2Mg + O² = 2MgO

2H² + O² = 2H²O

hope this helps you

6 0

3 years ago

Read 2 more answers

What is the wavelength of radiation that has a frequency

White raven [17]

Answer:

$\lambda = \frac{c}{\nu}$

Explanation:

The wavelenght of a radiation is inversely proportional to its frequency. It can be estimated by the following formula:

$\lambda = \frac{c}{\nu}$

Where:

$\lambda$ is the wavelenght
$\nu$ is the frequency
$c$ is the speed of light (arroung 300000 km/s)

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2 years ago

Balance C12H22011 → C + H2

svlad2 [7]

Answer:

What is this?

Explanation:

7 0

2 years ago

What element has 4 valence electrons and 5 electron shells?

marta [7]

Answer: Tin (Sn)

Explanation: The electron configuration for tin (Sn) is shown in the picture. It's last electrons are:

5s^2 4d^10 5p^2

The valence electrons are in the 5th electron shell and include 2 each in the 5s and 5p orbitals.

8 0

3 years ago

which of the following describes something an engineer would probably do first when developing new technology meant to reduce oc

JulijaS [17]

Answer:

Option B. is the right answer.

Explanation:

Before developing a new technology, an engineer has to evaluate the advantages and disadvantages of the chemical used in order to clean water bodies. If the chemical has more disadvantages as compared to advantages, so its usage will be avoided while if the chemical does not harm the marine organisms of the ocean so it can be used for the purpose of cleaning. So we can say that first the engineer has to study the chemicals.

3 0

2 years ago