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Citrus2011 [14]
3 years ago
9

Continents motion on earth is

Chemistry
1 answer:
Kisachek [45]3 years ago
8 0
The movement of these tectonic plates is likely caused by convection currents in the molten rock in Earth's mantle below the crust. Earthquakes and volcanoes are the short-term results of this tectonicmovement. The long-term result of plate tectonics is the movement of entire continents over millions of years
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Do the molecules in a desk have energy?
Harrizon [31]
Everything requires energy to move. If the desk is moving, then it has energy. 
6 0
3 years ago
What pressure will be exerted by 25 g of CO2 at temperature of 25°C and a volume of .50 L?
Grace [21]

Answer:

P = 27.9 atm

Explanation:

Given data:

Mass of CO₂ = 25 g

Temperature = 25°C (25+273.15 K = 298.15 K)

Volume of gas = 0.50 L

Pressure of gas = ?

Solution:

Firs of all we will calculate the number of moles of gas,

Number of moles = mass/molar mass

Number of moles = 25 g/ 44 g/mol

Number of moles = 0.57 mol

Pressure of gas :

PV = nRT

P= Pressure

V = volume

n = number of moles

R = general gas constant = 0.0821 atm.L/ mol.K  

T = temperature in kelvin

P × 0.50 L = 0.57 mol × 0.0821 atm.L/ mol.K  × 298.15 K

P = 13.95 atm.L/ 0.50 L

P = 27.9 atm

4 0
3 years ago
Give 10 examples of potential energy converted into kinetic energy
Viktor [21]

Answer:

Book on Table

Car at the Hilltop

Falling Objects

Skydiver

Hammering a Nail

Dam Water

Roller Coaster

Stretched Rubber Band

Simple Pendulum

Compressed Spring

Battery

Flashlight

Exothermic Chemical Reaction

Burning of Oil, Gas and Coal

Wind Turbine

Explanation:

have a nice day!

3 0
2 years ago
1. In the first step of the mechanism for this process, a phenoxide anion is generated. This phenoxide anion goes on to act as a
Tju [1.3M]

Answer:

See the explanation

Explanation:

In this case, in order to get an <u>elimination reaction</u> we need to have a <u>strong base</u>. In this case, the base is the phenoxide ion produced the phenol (see figure 1).  

Due to the resonance, we will have a more stable anion therefore we will have a less strong base because the negative charge is moving around the molecule (see figure 2).

Finally, the phenoxide will attack the <u>primary carbon</u> attached to the Cl. The C-Cl bond would be broken and the C-O would be produced <u>at the same time</u> to get a substitution (see figure 1).

3 0
3 years ago
Whats 2 + 2? correct answers only
spayn [35]

9

Explanation:

cause 2 + 2 is equal to 9

3 0
3 years ago
Read 2 more answers
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