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skad [1K]
3 years ago
8

Propiedades Químicas del elemento Astato. por favor es urgente!

Chemistry
1 answer:
Zarrin [17]3 years ago
4 0
I'm not to sure but try soy
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A solid is held in shape by strong forces.
n200080 [17]

Ok thanks for the valuble info.

8 0
3 years ago
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Scientists need special tools to work in the laboratory. These tools are known as___________
inessss [21]
Instruments

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3 years ago
How does Fluoroanimonic acid melt things?
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tall me is this what you looking for

4 0
3 years ago
The osmotic pressure of a solution formed by dissolving 35.0 mg of aspirin (c9h8o4) in 0.250 l of water at 25°c is __________ at
Lunna [17]
Mass of aspirin = 0.025 g
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moles of aspirin = .025g / 180.1583 g/mol = 0.000138767 moles
volume solution = .250 L
molarity of the solution = 0.000138767 moles / .250L =5.551 x 10 ^-04 Moles / liter
for aspirin i = Vant'Hoff factor = 1 particle in solution
T = 25 + 273 =298 K
osmotic pressure = M x R x T x i =
5.551 x 10 ^-04 mole L -1 x 0.08206 L atm K−1 mol−1 x 298 K x 1 = 0.0136 atmospheres
6 0
3 years ago
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(40) If a hypothesis is proven correct, a theory is formulated.<br><br> True or false
Snezhnost [94]

Answer: False, I believe.

Explanation: If a Hypothesis is proven correct, then another experiment to strengthen that Hypothesis is should be done.

8 0
2 years ago
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