A chemical property is _______________.

Chemistry

1 answer:

deff fn [24]3 years ago

5 0

Answer:

Explanation:

chemical bonds between atoms are formed or broken.

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A sample of gas (1.3 mol) occupies __________ l at 22 Â°c and 2.5 atm.

Furkat [3]

To answer this question, you just need to put all the variable into PV = nRT formula. In this case, the pressure(P) is 2.5 atm, the number of molecule(n) is 1.3 mol, the temperature(T) is 22 celcius= 295.15 kelvin.
Then the volume should be:

PV = nRT
2.5 * V = 1.3 * 0.08206* 295.15
V= 12.59L

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3 years ago

How did you get the 3.2?

Helga [31]

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3 years ago

.Name a letter never used in any element symbol?

marta [7]

Answer:

Explanation:

Q does not appear in any official element names. Temporary element names, such as ununquadium, contain this letter.

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3 years ago

How much heat is absorbed when 63.7 g H2O(l) at 100 degrees Celsius and 101.3kPa is converted to steam at 100

Alona [7]

Answer:

Q = 143,921 J = 143.9 kJ.

Explanation:

Hello there!

In this case, according to the given information, it turns out possible for us to calculate the absorbed heat by considering this is a process involving sensible heat associated to the vaporization of water, which is isothermic and isobaric; and thus, the heat of vaporization of water, with a value of about 2259.36 J/g, is used as shown below:

$Q=m*\Delta _{vap}H$

Thus, we plug in the mass and the aforementioned heat of vaporization of water to obtain the following:

$Q=63.7g*2259.36J/g\\\\Q=143,921J=143.9kJ$

Regards!

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3 years ago

Isomers have identical formulas and different

Leno4ka [110]

Molecular structure. Isomers have the same formula, so there is the same elements in both. But they have a different molecular structure and when drawn they look different

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