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1 year ago

Urgent!! will give brainliest!!

Chemistry

1 answer:

Tamiku [17]1 year ago

8 0

An Arrhenius acid is a substance that dissociates in water to form hydrogen ions or protons.

<h3>What is an Arrhenius acid?</h3>

An Arrhenius acid increases the number of $H^+$ ions in the water.

According to the Arrhenius theory, a substance which has hydrogen atom and can easily give hydrogen ion or proton in its aqueous solution is called as Arrhenius acid.

For example, when hydrochloric acid is dissolved in water, it forms chloride ion ( $Cl^-$ ) and hydronium ion ( $H_3O^+$ ).

Learn more about the Arrhenius acid here:

brainly.com/question/9936252

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Green plants absorbs sunlight to power photosynthesis, the chemical synthesis of food from water and carbon dioxide. The compoun

Serggg [28]

Answer: The frequency of this light is $6.62\times 10^{14}s^{-1}$

Explanation:

To calculate the wavelength of light, we use the equation:

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

where,

$\lambda$ = wavelength of the light = $453nm=453\times 10^{-9}m$

c = speed of light = $3.0\times 10^8m/s$

$\nu$ = frequency of light = ?

$\nu=\frac{3.0\times 10^8m/s}{453\times 10^{-9}m}=6.62\times 10^{14}s^{-1}$

The frequency of this light is $6.62\times 10^{14}s^{-1}$

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3 years ago

How many grams are of sodium chlorate are present in a 2.45 mole sample?

DedPeter [7]

Answer:

The SI base unit for amount of substance is the mole. 1 mole is equal to 1 moles NaCl, or 58.44277 grams.

Explanation:

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4 0

2 years ago

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The red line of the hydrogen emission spectrum has a wavelength of 656.1 nm. Calculate the energy of one photon

Effectus [21]

The formula we can use here is the Plancks equation:

E = h c / ʎ

where h is Plancks constant = 6.626 × 10-34 m2 kg / s, c is speed of light = 3 x 10^8 m/s and ʎ is wavelength = 656.1 x 10^-9 m

Therefore E is:

E = (6.626 × 10-34 m2 kg / s) * (3 x 10^8 m/s) / 656.1 x 10^-9 m

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2 years ago

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Answer:

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Explanation:

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3 years ago

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WARRIOR [948]

Pure water is alkaline = 7 , acid rain is slightly acidic = 4

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2 years ago

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