What effect does the pH of water have on radish seed germination?

1 answer:

8 0

It has a high percentage of germination in pH’s 13-14 this shows that radish seeds can germinate very well in almost all pH levels

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Which of the following shows the correct rearrangement of the the heat equation q = mCpΔT to solve for specific heat?

astra-53 [7]

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Explanation:

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3 years ago

Petrification is the combination of 2 types of fossilization, replacement and permineralization, by which element? group of answ

azamat

The element involved in the process of petrification, replacement, and permineralization is silica, were petrification is the combination of 2 types of fossilization, replacement, and permineralization

Permineralization is a way of fossilization in which minerals ( like silica have deposited the fill the empty pores of shells or the hard animal parts). Petrification is a process where the organic material is converted to stone by replacing the original material and the pores with minerals, and Replacement occurs when the original bones or shells dissolve away and is replaced by a different mineral, which occurs along with permineralization, the whole process is called petrification.

To know more about fossilization refer to the link brainly.com/question/6867325?referrer=searchResults.

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1 year ago

Define an arrhenius base and describe properties of bases. use an example to explain how an arrhenius base will behave in water.

murzikaleks [220]

An Arrhenius base is a molecule that when dissolved in water will break down to yield an $OH^-$ or hydroxide in solution.

<h3>What is Arrhenius base?</h3>

An Arrhenius base is a compound that increases the OH− ion concentration in aqueous solution.

An Arrhenius base is a substance that, when dissolved in an aqueous solution, increases the concentration of hydroxide, or $OH^-$ , ions in the solution.

Bases Properties

Arrhenius bases that are soluble in water can conduct electricity.

Bases often have a bitter taste and are found in foods less frequently than acids. Many bases, like soaps, are slippery to the touch.

Bases also change the colour of indicators. Red litmus turns blue in the presence of a base (see figure below), while phenolphthalein turns pink.

Some bases react with metals to produce hydrogen gas.

Acids (pH < 7.0) react with bases (pH > 7.0) to produce a salt and water. When equal moles of an acid and a base are combined, the acid is neutralized by the base. The resulting mixture will have a more neutral pH.

An Arrhenius acid is a substance that dissociates in water to form hydrogen ions or protons. In other words, it increases the number of H+ ions in the water. In contrast, an Arrhenius base dissociates in water to form hydroxide ions, $OH^-.$