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ehidna [41]
2 years ago
11

Most particles would travel____from their source to a screen that lit up when struck.

Chemistry
1 answer:
quester [9]2 years ago
5 0

Answer: in a straight path!

Explanation: hope this helps

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The sodium-potassium pump is called an electrogenic pump because it
kvv77 [185]

Answer:

Contributes to the membrane potential.

Explanation:

Sodium-potassium pump: In cellular physiology, a protein which is identified in many cells that helping in to maintain the higher concentration of potassium ions inside than that is in the surrounding medium and maintain the lower concentration of sodium ions inside than that of the surrounding medium.

This unbalanced charge transfer contributes in the separation of charge across the cell membrane. Sodium-potassium pump is known for important contributor to action potential which is produce by nerve cells.

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3 years ago
Jennifer is applying a constant force to swing a can on the end of a string, as shown here. If the can is moving around the circ
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Explanation:

D

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The molarity of a 4.200 L solution is 1.230 M Na2CO3. What is the mass of Na2CO3
Lerok [7]

Answer:

547.5g

Explanation:

To get the mass, you need moles.

moles = (molarity)(Liters)

moles = (1.230M)(4.200L) = 5.166 moles Na2CO3

Now, just use stoichiometry

molar mass of Na2CO3 = 2(mass of Na) + (mass of C) + 3(mass of O)

= 2(22.9) + 12.01 + 3(16) = 105.99g/mol

5.166moles(105.99g/mol)

= 547.544

But, the measurements given had 4 significant figures, so in chemistry we write:

547.5g

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3 years ago
Breaking bonds requires what type of energy flow?
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Explanation:

the energy that that is needed to break a bond is called the bond energy or dissciation energy

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Can someone help me please
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health issues and physical encounters

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