They would melt because the heating of platinum that showed air was absorbed into its pores as it was heating, thus weakening the metal and causing it to melt at low temperatures
Go through the intersection without stopping is the appropriate action to be taken in a case where the light at an intersection is red and a police officer directs you to go through it.
<h3>What is Traffic light?</h3>
This is also referred to as stoplights and is present in the intersection of roads etc so as to help control traffic and prevent the occurrences of accidents on the road.
In cases where there is no officer, the traffic light must be obeyed but where the officer is present then his authority overrules and must be obeyed as he is in the best position to know the reason why the traffic light should be ignored in this type of scenario.
This is therefore the reason why the individual should go through the intersection without stopping.
Read more about Traffic light here brainly.com/question/28033780
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Given:
Water, 1.5kg at boiling point
Required:
Heat required to vaporize at boiling
point
Solution:
Water at boiling point is at
100degrees Celsius
Changing it into Kelvin, just dd
273 to 100 = 373 K
H
= mCpT
H
= (1.5kg)(4.184kJ/kg-K)(373K)
<span>H =
2340.9kJ</span>
Answer:
Ultraviolet Waves
Explanation:
UV waves can carry energy at a more rapid rate than infrared waves.
Answer:
A heat engine is a device that converts internal energy into work. Internal energy is increased by the addition of heat. The efficiency of a heat engine is a measurement of how efficiently it works. Efficiency compares the amount of useful energy extracted from a process to the total energy input. The heat engine will be more efficient if the percentage is higher.
Explanation: