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olya-2409 [2.1K]
3 years ago
15

Gus is performing an experiment on cells. First he places the cells in a container of water and salt. When he checks some of the

cells under a microscope, he sees that they are beginning to shrivel.
Chemistry
1 answer:
ra1l [238]3 years ago
8 0

Answer:

The correct approach will be "Adding more water to the container".

Explanation:

  • Gus has been doing a cell trial. Next, he positions the cells in something like a jar of salts.
  • As he examines all of the other cells underneath a microscope, he finds that they should be starting to shrivel.  

Thus, adding further water to something like the jar will much more certainly save the cells throughout the liquid further shrinking.

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What is the percent yield of ferrous sulfide if the actual yield is 220.0 g and the theoretical yield is 275.6 g?
BaLLatris [955]
<h2>Hello!</h2>

The answer is:

The third option, 79.8%

<h2>Why?</h2>

To calculate the percent yield we need to divide the actual yield by the theoretical yield, and then, multiply it by 100 in order to find the percent.

So, we from the statement we know the following information:

ActualYield=220.0g\\TheoreticalYield=275.6g

Let's use the following formula and substitute the given information:

PercentYield=\frac{ActualYield}{Theoretical}*100\\\\

PercentYield=\frac{220g}{275.6g}*100=0.798*100=79.8(percent)

Hence, we have that the correct option is the third option, the percent yield is 79.8%.

Have a nice day!

7 0
3 years ago
To calculate the Ksp of 0.34 g of cesium sulfate (Cs2SO4) in 1.00 L of aqueous solution, which equilibrium equation will you use
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Answer:C

Explanation:

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4 years ago
According to vsepr theory, the bond angle in h2se would be predicted to be:
ella [17]
The bond angle in H2Se would be predicted should be less than 109.5 degrees. Particle shapes can be anticipated in light of Lewis dab structure utilizing the VSEPR hypothesis. VSEPR remains for Valence Shell Electron Pair Repulsion. It expresses that electron matches in the valence shell of a particle repulse each other; their sub-atomic geometry is the consequence of this shock.
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Solve in series: R1= 330 Ohms R2= 330 Ohms R3= 330 Ohms *
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This is in middle school?
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The dosage for an antibiotic is prescribed at 8.0 mg per kilogram of body weight taken it twice daily for 2 weeks what total mas
krek1111 [17]

Answer:

18.2784 g

Explanation:

First we <u>convert 180 lb to kg</u>:

  • 1 lb = 0.453 kg
  • 180 lb * 0.453 kg / lb = 81.6 kg

Now we <u>calculate the mass of antibiotic taken in one day</u>:

  • 8.0 mg/kg * 81.6 kg = 652.8 mg

Given that it is taken twice daily, <em>in one day the person would take (652.8 * 2) 1305.6 mg</em>. In grams that mass would be:

  • 1305.6 mg / 1000 = 1.3056 g

Finally we multiply those 1.3056 daily grams by the 14 days in two weeks:

  • (1.3056 g) * 14 = 18.2784 g
7 0
3 years ago
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