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Bezzdna [24]
3 years ago
15

Please can someone describe this picture? helppp

Chemistry
2 answers:
bezimeni [28]3 years ago
7 0

Answer:

it is in periodic manner

Explanation:

I hope it will helps you

satela [25.4K]3 years ago
5 0

Answer:

They are in a periodic table

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3 0
3 years ago
Read 2 more answers
A mixture of nacl and sucrose (c12h22o11) of combined mass 10.2 g is dissolved in enough water to make up a 250 ml solution. the
Vilka [71]
We use the osmotic pressure to determine the concentration of the solute in the solution. Then, we multiply the volume of the solution to determine the number of moles of solute particles. We need to establish to equations since we have two unknowns, the mass of of each solute. We do as follows:

osmotic pressure = CRT 
<span>C = 7.75 / 0.08205 (296.15) = 0.3189 mol / L</span>
<span>moles of particles = C*V = 0.3189*0.250 =0.0797 mol </span>
<span>0.0797 = moles of sucrose + 2*moles of salt </span>

<span>x + 2y = 0.0797 </span>
<span>and </span>
<span>x(MMsucrose) + y(MMNaCl) = 10.2</span>
<span>342x + 58.5y = 10.2
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<span>solve for x and y
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<span>x = 0.0252 mol sucrose</span>
<span>y = 0.0273 mol NaCl
 </span>
<span>mass Sucrose = 0.0252(342) = 8.6184 g </span>
<span>mass NaCl = 0.0273(58.5) = 1.5971 g </span>
<span>% NaCl = (1.5971 / 10.2)*100 = 15.66%</span>
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3 years ago
A rigid vessels contains
EleoNora [17]
Hope this helps you.

3 0
3 years ago
A student practicing for the outdoor track team begins to sweat. To what stimulus is the body responding?
cricket20 [7]

Answer:

A student practicing for the outdoor track team begins to sweat. To what stimulus is the body responding?

Explanation:

3 0
3 years ago
Read 2 more answers
Find the empirical formula of a compound containing: 19.32% Ca, 34.30% Cl, and 46.38% O
Bess [88]
40×19.32/100=7.7=8×2=16Ca
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3 years ago
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