Explain in complete sentences how a convection current is created

Chemistry

2 answers:

Likurg_2 [28]3 years ago

8 0

Answer:

Convection currents are caused by the movement of the magma in the mantle.

Explanation:

Inessa [10]3 years ago

6 0

Convection currents are caused by the movement of the magma in the mantle

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When the south magnetic pole of a magnet is placed near the south pole of another magnet, the two magnets will _____ one another

Ivanshal [37]

Answer:

A. Repel

Explanation:

A magnet comprises of north and south poles.

When the south magnetic poles of two magnets are brought together, the magnets will repel because they are like charges and like

charges repel each other.

But when the north magnetic pole of one magnet is brought together with the South Pole of another magnet, both magnets will attract because they have different charges + and - . Positive and negative charges attract .

8 0

3 years ago

Chlorine–35 has 17 protons. How many protons and neutrons does the isotope chlorine–36 have? 19 protons and 17 neutrons 17 proto

pochemuha

Answer:

17 protons

19 neutrons

Explanation:

Chlorine will always have the same amount of protons, and that would be 17 protons.

The atomic mass will change according to how many neutrons are present.

Cl - 35 is comprised of 17 protons and 18 neutrons.

We want to find Cl - 36:

We simply add 1 neutron. 18 + 1 = 19 neutrons.

8 0

3 years ago

Read 2 more answers

A 96.0 ml volume of 0.25 m hbr is titrated with 0.50 m koh. calculate the ph after addition of 48.0 ml of koh at 25 ∘c.

PilotLPTM [1.2K]

KOH is a strong base and HBr is a strong acid and completely dissociates.
The balanced equation for the reaction is;
KOH + HBr ---> KBr + H₂O
Stoichiometry of acid to base is 1:1
The number of KOH moles reacted - 0.50 M / 1000 mL/L x 48.0 mL = 0.024 mol
number of HBr moles reacted - 0.25 M/ 1000 mL/L x 96.0 mL = 0.024 mol
the number of H⁺ ions are equal to number of OH⁻ ions.
Then the solution is neutral.
pH of neutral solutions at 25 °C is 7.
Therefore pH is 7

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3 years ago

On the periodic table, periods are elements with similar

Vladimir [108]

Answer:

B.) Atomic Properties

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