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3 years ago

A student investigates the motion of a toy vehicle. The student graphs 40 seconds of data from the investigation.

1 answer:

8 0

Although we do not have the graph needed to answer this question, we can confirm that if the toy were to be accelerating, one should see this on the graph as a curved line.

<h3>How can we know if the toy was accelerating?</h3>

When graphing motion in terms of distance over time, we can use the shape of the line in the graph to determine if the speed is constant or if there is an acceleration present. If the line is straight, the speed is constant, but if there is a curve, there will be acceleration.

Therefore, we can confirm that if the toy were to be accelerating, one should see this on the graph as a curved line.

To learn more about motion visit:
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Which factor affects a solute's solubility rather than its rate of solution? A. Nature of the solvent B. Size of solute particle

nikitadnepr [17]

i took the test and it is a

Explanation:

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3 years ago

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Calculate how many grams of sodium hypochlorite can be theoretically formed when 1.23 mol of sodium hydroxide is combined with 1

elixir [45]

Answer:

45.78 g NaClO

Explanation:

The reaction that takes place is:

2NaOH + Cl₂ → NaCl + NaClO + H₂O

In order to react completely, 1.36 moles of chlorine would require (2*1.36) 2.72 moles of NaOH. There are more moles than that, so NaOH is the limiting reactant.

We <u>calculate the moles of NaClO formed</u>, from the limiting reactant:

1.23 mol NaOH * $\frac{1molNaClO}{2molNaOH}$ = 0.615 mol NaClO

Finally we <u>convert NaClO moles to grams</u>, using its <em>molecular weight</em>:

0.615 mol NaClO * 74.44 g/mol = 45.78 g NaClO

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3 years ago

If the pressure at a depth of 8 ft below the surface of a stagnant fluid is 3.5 psi, what will the pressure of the liquid be at

alexandr402 [8]

Answer : The pressure of the liquid at depth of 48 ft below the surface of fluid is, 21 psi.

Explanation : Given,

The pressure of the liquid at depth 8 ft = 3.5 psi

Now we have to calculate the pressure of the liquid at depth 28 ft.

According to the question,

As, the depth of 8 ft below the surface of a stagnant fluid has pressure = 3.5 psi

So, the depth of 48 ft below the surface of a stagnant fluid has pressure = $\frac{3.5\text{ psi}}{8\text{ ft}}\times 48\text{ ft}=21\text{ psi}$

Therefore, the pressure of the liquid at depth of 48 ft below the surface of fluid is, 21 psi.

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3 years ago

Could y’all do this for me please !

Ilya [14]

Answer:

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3 years ago

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What is produced in a double-displacement reaction?

gregori [183]

The correct answer is option D, that is, two new compounds.

Double displacement also known as double replacement reactions, metathesis or exchange reactions. It take place when two ionic compounds are exchanged forming two new compounds. One can consider the reaction as swapping the anions or the cations.

Water usually functions as the solvent for a double replacement reaction, and the products and reactants are generally ionic compounds, however, they can also be bases or acids. The example of a double replacement reaction is:

BaCl₂ (aq) + Na₂SO₄ (aq) = BaSO₄ (s) + 2NaCl (aq)

In this, the cations are Na⁺ and Ba²⁺, and the anions are SO₄²⁻ and Cl⁻. If the anions or cations are swapped, the products obtained are BaSO₄ and NaCl.

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3 years ago