PLEAS HURRY IM TIMED If something moves around and takes the shape of the container it is in, it is most likely a

2 answers:

7 0

Gas and liquid both take the shape of their container. The difference is gas molecules equally fills the space. Is there any more information?

Y_Kistochka [10]3 years ago

4 0

Answer:

Liquid

Explanation:

A liquid can move around freely and will take the shape of the container.

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A mutation can be defined as a change in an organism's

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Genotype

Explanation:

A mutation is the change is DNA, aka the genotype

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Your bedroom air conditioner blows very cold air at night but only cool air during the day. Your bedroom gets lots of direct sun

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3 years ago

Aqueous sulfuric acid will react with solid sodium hydroxide to produce aqueous sodium sulfate and liquid water . Suppose 6.9 g

satela [25.4K]

Answer:

$5.6gNa_2SO_4$

Explanation:

Hello,

In this case, the undergoing chemical reaction is:

$2NaOH(aq)+H_2SO_4(aq)\rightarrow Na_2SO_4(aq)+2H_2O(l)$

Therefore, since the masses of both of the reactants are given, one computes the available moles of sulfuric acid and those moles of it consumed by the sodium hydroxide as shown below:

$n_{H_2SO_4}^{available}=6.9gH_2SO_4*\frac{1molH_2SO_4}{98gH_2SO_4}=0.0704molH_2SO_4\\n_{H_2SO_4}^{consumed\ by\ NaOH}=3.14gNaOH*\frac{1molNaOH}{40gNaOH}*\frac{1molH_2SO_4}{2molNaOH}=0.04molH_2SO_4$

In such a way, since there is more available sulfuric acid than it that is consumed, the sodium hydroxide is the limiting reagent, consequently, the maximum mass of sodium sulfate turns out:

$m_{Na_2SO_4}=0.04molH_2SO_4*\frac{1molNa_2SO_4}{1molH_2SO_4} *\frac{142.04gNa_2SO_4}{1molNa_2SO_4}=5.6gNa_2SO_4$