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zavuch27 [327]
2 years ago
14

Vectors are arrows that tell us two things about force...WEIGHT and DIRECTION

Chemistry
2 answers:
lorasvet [3.4K]2 years ago
6 0
False, from what i know vectors tell us about direction and magnitude. not weight and direction
Dvinal [7]2 years ago
5 0
It’s false because vectors doesn’t tell us two things about force weight and direction
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10 elements and what you know about their properties and reactions.
marta [7]

Answer:

Hydrogen. H.

Helium. He.

Lithium. Li.

Beryllium. Be.

Boron. B.

Carbon. C.

Nitrogen. N.

Oxygen. O.

Fluorine

Neon

Explanation:

6 0
3 years ago
Read 2 more answers
What neutral element has 17 electrons an 18 neutrons?
pishuonlain [190]

Answer:

chlorine atom

A chlorine atom has 17 protons, 18 neutrons, and 17 electrons.

Explanation:

4 0
2 years ago
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HELP FAST 75 PTS Calculate the amount of heat needed to melt 35.0 g of ice at 0 ºC. must show work
victus00 [196]

Answer:

It takes 12,000 Joules of energy to melt 35 grams of ice at 0 °C

Explanation:

Good Luck!

7 0
2 years ago
Describe how you would make 6.0 L of a 0.100 M KCl solution from a 4.0 M stock KCl solution.
Galina-37 [17]

Answer:

0.15 l of 4.0 m stock KCl solution should betaken

Explanation:

N1V1=N2V2

6*0.1=V2*4

V2=0.15L

5 0
2 years ago
Given the balanced ionic equation representing the reaction in an operating voltaic cell: zn(s) + cu2+(aq) → zn2+(aq) + cu(s) th
soldi70 [24.7K]

Answer: from the Zn anode to the Cu cathode


Justification:


1) The reaction given is: Zn(s) + Cu₂⁺ (aq) -> Zn²⁺ (aq) +Cu(s)


2) From that, you can see the Zn(s) is losing electrons, since it is being oxidized (from 0 to 2⁺), while Cu²⁺, is gaining electrons, since it is being reduced (from 2⁺ to 0).


3) Then, you can already tell that electrons go from Zn to Cu.


4) The plate where oxidation occurs is called anode, and the plate where reduction occus is called cathode.


So you get that the electrons flow from the anode (Zn) to the cathode (Cu).


Always oxidation occurs at the anode, and reduction occurs at the cathode.

3 0
3 years ago
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