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Karolina [17]
4 years ago
10

How many moles is 2.17 x 10^ 23 representative particles of bromine?

Chemistry
1 answer:
Oksana_A [137]4 years ago
3 0
It should be 2.7 mol if I"m correct
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Which of the following statements best describes the similarities between beryllium, magnesium,calcium, and strontium?
Schach [20]
I didn't see any statements, but here are some similarities of those elements:

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7 0
4 years ago
What is the formula for calculating pH?​
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5 0
3 years ago
What is the pressure of the ideal gas when the volume is decreased to 4.0 L and the temperature is increased to 265 K?
jonny [76]
It is an ideal gas therefore we can use the ideal gas equation to solve the problem. The ideal gas equation is expressed as PV = nRT. First, we solve the amount of the gas in moles using the said equation and the first conditions.

(2.0 atm) (5.0 x 10^3 cm^3) = n (82.0575 atm.cm^3/mol.K)(215 K)
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Using the second conditions given, we obtain the new pressure.
P (4.0 x 10^3) = 0.5668 x <span>82.0575 x 265
P= 3.08 atm</span>
8 0
3 years ago
How many types of ions must be present in solution, at minimum, for the phenomenon of selective precipitation to be observed? Yo
saw5 [17]

Answer:

Two (2) types of ions

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I hope this was helpful.

7 0
3 years ago
2Cu + O2 + 315kj - 2CuO. Is what kind of chemical reaction?
Naddika [18.5K]

There are <em>three</em> possibilities:

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endothermic

3 0
4 years ago
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