Azaleas’ are also known as the ‘Royalty of the Garden’, and are shrubs that bloom in from autumn to spring, depending on the variety.
Azaleas are either deciduous or evergreen, depending on the species, and generally like to grow under the shade of trees.
Azaleas are from the family ‘Ericaceae’, which is the family of heaths or heathers, and belong to the genus ‘Rhododendron’, which are a group of woody plants.
Azaleas grow up to 2.5 meters (8.2 feet) tall, although some only grow to half that height.
Azalea nectar and leaves are highly poisonous, and in the past, have been seen as a death threat if the flowers have been given in a black vase.
Places in Japan, Korea and the United States have festivals to celebrate azaleas.
Azaleas are mostly native to North America, and eastern parts of Asia, and the American species are generally deciduous, while the Asian species are generally evergreen.
Azalea flowers come in white, pink, mauve, purple, red, orange and yellow in colour, and the single varieties generally have 5 petals, but doubles can have up to 30.
Azaleas are popular garden plants, although many people do not know how to grow them properly, as they require specific growing conditions, which include the need for acidic soil.
Over 10,000 different cultivars of azaleas have been recorded and the plant and flowers are very similar to rhododendrons in appearance, so it is often difficult to tell them apart.
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We can get the mass of the lead metal by calculating the difference between the Mass of evaporating dish and lead metal and the mass of empty evaporating dish. The mass of lead metal is 1.9627 grams. The mass of sulfide is obtained by calculating the difference between Mass of evaporating dish and lead sulfide and the mass of evaporating dish and lead metal. The mass of sulfur added is 0.558 grams. We convert masses to moles. Lead is 0.0093 moles while sulfur is 0.017 moles. We divide each with the less amount between the two. Hence, lead is 1 an sulfur 1.83 or 2. The formula is PbS2 or lead (IV) sulfide.
The 6.023 * 10²³ molecule means 384.7 grams of Vitamin D.
<h3>What is a mole ?</h3>
A mole is a universal unit used to measure large number of atoms , molecules of an element.
one mole is equal to the Avogadro's Constant.
Mole is equal to the ratio of the mass of a compound to its molecular weight
It is given that Vitamin D is present
no. of molecule = 6.023 * 10²³
6.023 * 10²³ molecule constitutes of 1 mol
1 mole is equal to the molar mass of a compound/ element
Therefore 1 mole = 384.7grams of Vitamin D
and hence 6.023 * 10²³ molecule means 384.7 grams of Vitamin D.
To know more about Mole
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The formula we're gonna use for this problem is written below:
ΔG°= nFE°
where
n is number of mol electrons displaced in the reaction
F is Faraday's constant = 96,500 C/mol e
E° is the standard emf
ΔG° = (2)(96,500)(1.46) = <em>281,780 Joules</em>
