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Maksim231197 [3]
4 years ago
15

which is the best example of rotational motion? A. The wheel spins as long as the hamster keeps running. B. The tornado left a t

wo mile path of destruction. C. The runner circled the track in record time to win the track meet. D. Electrons travel around the nucleus of the atom.
Chemistry
2 answers:
Tanzania [10]4 years ago
4 0
I think the best example of rotational motion is : 
The wheel spins as long as the hamster keeps running
Rotational motion refer to a rotation movement in which the main axis point stays the same

hope this helps
guapka [62]4 years ago
4 0

The correct answer is:

The wheel spins as long as the hamster keeps running

Explanation:

The motion of a rigid body which takes place in such a way that all of its pieces move in circles about an axis with a fixed angular velocity; also, the rotation of a particle about a fixed point in space. When a torque (rotational analog of force) is connected to a body (system of particles) about an axis, it provides a twist and this provides rotational motion.

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Does a precipitate form when a solution of sodium acetate and a solution of ammonium sulfate are mixed together?
e-lub [12.9K]
<h3><u>Answer</u>;</h3>

No, a precipitate does not form

<h3><u>Explanation</u>;</h3>
  • Precipitation involves mixing or combining solutions that contain soluble ionic compounds to form an insoluble ionic compound by a reaction.
  • Sodium acetate and ammonium sulfate are both soluble ionic compounds, which implies that they exist as ions in aqueous solution.
  • <em><u>When they combine they form NH4CH3COOH and sodium sulfate, Na2SO4, which are both soluble salts, as all salts of ammonium and sodium are soluble.</u></em>
  • <em><u>Both ammonium acetate and sodium sulfate are soluble because there are no anions that can form an insoluble solid with NH4+ and Na+ cations. </u></em>
5 0
3 years ago
How many moles of S2O8 2– react for every mole of S2O3 2– that reacts? Consider the balanced chemical equations for reactions 1
rewona [7]

For 1 mole of S₂O₃²⁻  0.5 mole of S₂O₈²⁻  will be used.

<h3>What is a balanced Reaction ?</h3>

A reaction in which the number of atoms in reactants is equal to the number of atoms in the products is called a balanced reaction.

The reaction given in the question is

S₂O₈²⁻   + 2I⁻      ⇄   2SO₄²⁻ + I₂

I₂ + 2S₂O₃²⁻ ⇄ 2I⁻ + S₄O₆²⁻

Adding the equation will give balance equation

S₂O₈²⁻  + 2I⁻  + 2S₂O₃²⁻   ⇄ 2SO₄²⁻  + 2I⁻ + S₄O₆²⁻

So x moles of S₂O₈²⁻ require 2x of S₂O₃²⁻

for 1 mole of S₂O₃²⁻  0.5 mole of S₂O₈²⁻  will be used.

To know more about Balanced Reaction

brainly.com/question/14280002

#SPJ1

7 0
2 years ago
I need an answer quickly!
zmey [24]
Titanium because it is
6 0
4 years ago
!!!!HELP ASAP!!!! How does the scientific method help scientists?
denis-greek [22]
B it helps then analyze their experience
7 0
4 years ago
Read 2 more answers
Plz answer very fast anyone knows
meriva

Answer:

probably the sun

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Explanation:

because the sun's heat result to evaporation

5 0
3 years ago
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