Answer:
65.8 and it is shown considering the significant figures of the shortest number.
Explanation:
Hello,
In this case, when we add 25.4 and 40.433 the result is 65.833, nevertheless, the result is shown based on the initial number having the fewest amount of significant figures that in this case is 25.4 that has three, therefore, the result must be 65.8 and it is shown considering the significant figures of the shortest.
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Answer:
Single-displacement
Explanation:
I took the test this is the correct answer!
Answer:
Liquid B because of its higher vapor pressure due to the fact that evaporation rate is directly proportional to vapor pressure
Explanation:
The vapor pressure of liquid at equilibrium is a function to the liquid's rate of evaporation. The evaporation rate and hence the vapor pressure is a measure of the propensity of the particles of the liquid to leave the surface of the liquid and exist as vapor directly above the liquid. As high evaporation rate leads to high vapor pressure, a liquid with a higher vapor pressure will evaporate faster than one with a lower vapor pressure at the same temperature and pressure.
Therefore, liquid B with a vapor pressure of 18.04 kPa at 40° C will evaporate faster than liquid A with a lower vapor pressure of 7.37 kPa at the same 40°C.
Answer:
Sublimation
Sublimation is the best method for separating iodine from common salt (NaCl).
Explanation:
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