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2 years ago

Which plate is the South American plate? Web D O A D B. A C. B В D C

Chemistry

1 answer:

Nimfa-mama [501]2 years ago

5 0

Answer:

C. B

Explanation:

The correct plate is showing n the green color that is of South America and is a major tectonic plate. The plate belongs to the south American continent and forms the southernmost part of the mid-Atlantic ridge.

According to the plate movement, it's still moving to the west away from the Atlantic ridges due to the seafloor spreading. Has The plate has an approx area of 43,600,000 km square.

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Caffeine (C8H10N4O2) is a stimulant found in coffees and teas. When dissolved in water, it can accept a proton from a water mole

Olenka [21]

Answer:

See figure 1

Explanation:

If we want to find the acid and the Brønsted-Lowry base, we must remember the definition for each of these molecules:

-) Acid: hydrogen donor

-) Base: hydrogen acceptor

In the caffeine structure, we have several atoms of nitrogen. These nitrogen atoms have the ability to accept hydronium ions ( $H^+$ ). Therefore the caffeine molecule will be the base since it can accept

If caffeine is the base, the water must be the acid. So, the water in this reaction donated a hydronium ion.

Thus, caffeine is the base and water the acid. (See figure 1)

3 0

2 years ago

Determine the mass of 2.4 x 10^24 atoms of gold?

Scorpion4ik [409]

Answer:

Mass = 785.9 g

Explanation:

Given data:

Atoms of gold = 2.4 × 10²⁴ atoms

Mass of gold = ?

Solution:

First of all we will convert the number of atoms into moles.

2.4 × 10²⁴ atoms × 1 mol/ 6.02 × 10²³ atoms

number of moles = 3.99 mol

Now we will determine the mass of gold.

Mass = number of moles × molar mass

Mass = 3.99 mol × 196.97 g/mol

Mass = 785.9 g

8 0

2 years ago

Read 2 more answers

Can you light diamond on fire?

Svet_ta [14]

Answer:

Diamond can indeed be set on fire since it is made of carbon. ... You can even burn diamond in a regular flame if you are patient and conditions are right. To accelerate the burning of diamond, you can give it more heat and more oxygen.

Explanation:

4 0

2 years ago

chemistry moles PLEASE HELP!! A package of foil weighs 360g. How many moles of aluminium are there in this package??

Ksenya-84 [330]

Answer:

I am not 100% sure but I think it is 26.981538

Explanation:

6 0

1 year ago

Sometimes a new product is test-marketed. A limited amount of the product is released to a select group of users. Then the group

Akimi4 [234]

Answer:

Modification Step

Explanation:

The entire reason why test-marketing exists is to make sure that the product will be well received by the public. Once the test marketing concludes, the data from the test is analyzed. Then the company decides whether or not they will make changes on how the product looks, feels, performs, or even rebranding the product, all to make sure that the final consumer will like the product enough to want to purchase and continuously use the product. Which will in term increase profits for the company.

5 0

2 years ago