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Rainbow [258]
3 years ago
13

3. Explain how tectonic plate movement could create another supercontinent like Pangaea.

Chemistry
2 answers:
Illusion [34]3 years ago
6 0

Answer:

If tectonic plates, which carry different continents, collide, they could create a supercontinent, like the pangea.

Explanation:

Due to the movement of tectonic plates, which generate seismic and volcanic activities, the pieces of earth were dividing and eventually drifted away over the years, thus separating the continents. Because of this movement, the continents can unite again, creating a supercontinent. That is because, the continents are on top of the tectonic plates and these plates are in constant movement. If two plates carrying two different continents collide, they can unite these continents into one.

Zinaida [17]3 years ago
4 0
Well transform boundaries are when 2 plates rub against each other and convergent boundaries and when plates come together and divergent boundaries are when plates move apart. So eventually one plate will collide into another then will another then again until it forms a Pangea
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What is the number of grams of N₂ (g) that contains 1.80 x 10^24 molecules?
svet-max [94.6K]

Answer:

83.69 gm

Explanation:

molar weight of N2 = 28

Find the number of moles then multiply by this

1.8 x10^24/ (6.022x10^23)   * 28 =83.69 gm

7 0
2 years ago
Calculate the pressure of 2 mol of a gas at 300 K in 8 L container.
Sergio039 [100]

Answer:

4800

Explanation:

using my Cal ex to solve the question

calculation goes like this

2*300*8=4800

3 0
3 years ago
A gas has a volume of 240 mL and a pressure of 0.99 atm. If the pressure is decreased to 0.951 atm, what is the new volume of th
irakobra [83]

V2 = 250 ml

Explanation:

Given:

P1 = 0.99 atm. V1 = 240 ml

P2 = 0.951 atm. V2 = ?

We can use Boyle's law to solve for V2

P1V1 = P2V2

V2 = (P1/P2)V1

= (0.99 atm/0.951 atm)(240 ml)

= 250. ml

6 0
3 years ago
Calculate the pH of a solution in which one normal adult dose of aspirin (640 mg ) is dissolved in 10 ounces of water. Express y
d1i1m1o1n [39]

The pH of the solution in which one normal adult dose aspirin is dissolved is :  2.7

Given data :

mass of aspirin = 640 mg = 0.640 g

volume of water = 10 ounces = 0.295735 L

molar mass of aspirin = 180.16 g/mol

moles of aspirin = mass / molar mass = 0.00355 mol

<h3>Determine the pH of the solution </h3>

First step : <u>calculate the concentration of aspirin</u>

= moles of Aspirin / volume of water

= 0.00355 / 0.295735

= 0.012 M

Given that pKa of Aspirin = 3.5

pKa = -logKa

therefore ; Ka = 10^{-3.5} = 3.162 * 10^{-4}

From the Ice table

3.162 * 10^{-4} = \frac{x + H^+}{[aspirin]}  = \frac{x^{2} }{0.012-x}

given that the value of Ka is small we will ignore -x

x² = 3.162 * 10^{-4} * 0.012

x = 1.948 * 10^{-3}  

Therefore

[ H⁺ ] = 1.948 * 10^{-3}

given that

pH = - Log [ H⁺ ]

     = - ( -3 + log 1.948 )

     = 2.71 ≈ 2.7

Hence we can conclude that The pH of the solution in which one normal adult dose aspirin is dissolved is :  2.7

Learn more about Aspirin : brainly.com/question/2070753

4 0
2 years ago
The FDA recommends that women who are pregnant avoid eating more than three 6.00-oz servings of bluefish per month because of th
Brilliant_brown [7]

Answer:

A pregnant woman would consume  1.812 x 10⁻⁶ oz of mercury in a month if she ate the maximum recommended amount of fish.

Explanation:

0.302 oz mercury _____________ 1 x 10⁶ oz bluefish

              x              _____________  6.00 oz bluefish

x = 1.812 x 10⁻⁶ oz mercury

A pregnant woman would consume  1.812 x 10⁻⁶ oz of mercury in a month if she ate the maximum recommended amount of fish.

4 0
3 years ago
Read 2 more answers
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