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3 years ago

Which best describes a swimming pool?

Chemistry

2 answers:

dybincka [34]3 years ago

3 0

Reactant swimming pool

Blababa [14]3 years ago

3 0

Solute : It is the substance added in small amount to a solvent to form solution.

NaCl is solute in salt water

Solvent: it the substance taken in large amount to dissolve solute and hence to form solution.

In Salt solution the water is solvent

Solution : it is the homogeneous mixture of solvent (taken in larger amount) and solute (taken in small amount) .There is no distinct physical boundary between solvent and solute in a solution

Swimming pool is an example of solution as it contains solvent (water) and dissolve ions or chemicals (solute)

Reactant: it is the substance which reacts in a reaction

product: the reactants react in a reaction to produce another substance known as product.

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If the actual yield of the reaction was 75% instead of 100%, how many molecules of no would be present after the reaction was ov

artcher [175]

To be able to answer this equations, we must set given information. Suppose the reaction to yield NO is:

N₂ + O₂ → 2 NO

Next, suppose you have 1 g of each of the reactants. Determine first which is the limiting reactant.

1 g N₂ (1 mol N₂/ 28 g)(2 mol NO/1 mol N₂)= 0.07154 mol NO present

Number of molecules = 0.07154 mol NO(6.022×10²³ molecules/mol)
<em>Number of molecules = 4.3×10²² molecules NO present</em>

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3 years ago

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Marina CMI [18]

Answer:

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3 years ago

Pink quartz and smoky quartz are different colors. They will both have the same _____.

drek231 [11]

I think the correct answer from the choices listed above is the first option. <span>Pink quartz and smoky quartz are different colors. They will both have the same color streak. This is because they are both quartz. Hope this answers the question. Have a nice day.</span>

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3 years ago

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What Celsius temperature, T2, is required to change the volume of the gas sample in Part A (T1 = 23 ∘C , V1= 1.69×103 L ) to a v

andrezito [222]

Answer:

319.15^{o}C[/tex]

Explanation:

When all other variables are constant, we are allowed to use the formula

$\frac{T_{2} }{V_{2} } = \frac{T_{1} }{V_{1} } \\Which can be rewritten as T_{2} = \frac{T_{1} V_{2} }{V_{1} }if you make T2 the subject of the formula. This formula is true only if temperature is in Kelvin not degrees Celsius so T1 must be converted to KelvinNow to calculate T2[tex]T_{2}= \frac{296.15K*3.38.10^{3}L }{1.69.10^{3}L }= 592.3K$ = $319.15^{o} C$

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3 years ago

What is the house off Neutron

beks73 [17]

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Explanation:

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3 years ago