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dimulka [17.4K]
3 years ago
13

The temperature in the stratosphere is −24°c. calculate the root-mean-square speeds of n2, o2, and o3 molecules in this region.

Chemistry
1 answer:
Sholpan [36]3 years ago
5 0
<span>Use Root mean square speed formula: vrms = Sqrt (3RT/M) T - temperature in K = 273K - 21CÎż = 252K R- molar gas constant = 8.31J/Kmol M - molar mass of a molecule MN2 = 14x2 = 28 g/mol MO2 = 16 x 2 = 32 g/mol MO3 = 16 x 3 = 48 g/mol Having all info now, you can calculate root mean square speed,vrms , for every molecule by using the aboveequasion and only changing M value.</span>
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A p1000 micropipet is set to dispense 1000 µL.

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An acid and a base solution were mixed together in a crucible and all the water in the mixture was evaporated off. What is left
Ratling [72]

Answer:

Base on the question , an acid and  a base solution was mixed together in a crucible and all the water in the mixture was evaporated off. The only substance left in the crucible is the salt solution.

Explanation:

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Base on the question , an acid and  a base solution was mixed together in a crucible and all the water in the mixture was evaporated off. The only substance left in the crucible is the salt solution. Note that the other product which is water has been evaporated and we are left with only salt solution.

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