What is the pH of a 2.0 M solution of HClO4?

Answers

Answer 1

Answer: HClO4 is a strong acid. Strong acids dissociate completely in water. 2.0 M of HClO4 is equal to 2.0 M of the H+ ion component of the substance. To solve the pH, the ff formula is to be used:
pH=-log[H+]

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Atoms are the building blocks of elements, molecules, compounds, and mixtures.
true or false?

Answers

Answer:

true

Explanation:

they are the building part of all thing

Who discovered the electron?

Answers

J.J. Thomson discovered the electron 1897

Hydrocarbons having the same formula but variations in structure are called isomers.a. True
b. False

Answers

Answer:The given statement is true.

Explanation:

Isomers are defined as two or more compounds with same structural formula but different arrangement of atom and chemical properties.

For example: Butane, 2-methyl propane are isomers with structural formula $C_4H_(10)$ , acetone and propanal both isomers to each other with same structural formula of $C_3H_6O$ .

Which celestial object is found in the Kuiper Belt?

Answers

Beyond the planet Neptune is found a region filled with icy bodies. This region is known as the Kuiper Belt. This holds trillions of objects which is said to be remnants of the early solar system. The region contains comets and dwarf planets.

If the temperature of air increased, how would it affect the rate of condensation of water vapor

Answers

It will increase the rate of the condensation

when the temperature around the water vapor cooled down, it loses its capacity to hold the water, so they will for water droplets.

For example you can compare a warm cup of tea and a warm cup of tea with an ice in it. You will find a lot of water droplets in the iced one because cooler air could held less water than the warm one

Why can't we change the subscripts in balancing chemical equations?

Answers

Because the subscripts are what identify the compound. Changing the coefficient is okay, since you are only changing the number of whole compounds. If you change the subscript, however, you will change the compound into a completely different one. Hope that helps!!

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