Jan 17,9:27:33AM A radioactive compound with mass 240 grams decays at a rate of 4.5% per hour. Which equation represents how many grams of the compound will remain after 6 hours?

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A: When air is electrically conducting, which consists free electrons and positive ions and sufficient…

Q: You need to measure the height of a small tree. Your metal measuring tape has been sitting in the…

A: In this question we have to measure the height of a small tree using measuring tapes which are kept…

Q: Which of the following thermal variables is not a state function? ⦁    Pressure ⦁    Internal Energy…

A: The answer is below

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Q: Let H = 40 cos(10ºt – ßz) a¸ A/m in a region for which σ = 0,₁ µ = µ₁, ε = 4ε. Express H in phase…

A: Given that,H = 40 cos109t - βzax A/m                 (1)We can compare equation (1) with standard…

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A:

Q: At "low" temperatures, the heat capacity of some materials varies with temperature as 12π¹ NkB C (T)…

A:

Q: The atomic and molecular rms speeds of gases, vrms, are usually quite large, even at low…

A: rms speed is given by…

Q: 56. A bug slides back and forth in a bowl 12 cm deep, starting from rest at the top, as shown in…

A: Given quantities: depth of the bowl (h) = 12 cm width of sticky patch (d) = 1.80 cm coefficient of…

Q: The Goodyear blimp we usually see hovering above our heads at a football game contains 5200 m3 of…

A: The given quantities are: Volume, V=5200 m3. Mass, M=1090 kg Pressure, P=1.10x105 Pa. Atomic mass,…

Q: My Dyson vacuum cleaner can achieve a pressure as low as 10−8 Pa at 25C. How many molecules are…

A: The number of molecules is calculated by using the formula PV=NkBT , where P=10-8 Pa is the pressure…

Q: The temperature inside a supernova explosion is said to be 2.00×1013 K .      (a) What would the…

A:

Q: The rate of chirping of the snowytree cricket (Oecanthus fultoni Walker) varies with temperature ina…

A: Given: N=(15.63×1010)e16290K/T The time taken for the  number of chirps = 13 s The number of chirps…

Q: What is the average kinetic energy of a proton in the center of the sun, where the temperature is…

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Q: Given the work functions for some metals:- Aluminum=D4.08eV, Beryllium=5.0eV, Cadmium=4.07eV,…

A: Solution:   As per the given data,