A 1196ml sample of 0110m methylamine ch3nh2 is titrated
A 119.6ml sample of 0.110M methylamine (CH3NH2) is titrated with 0.255 M HNO3 . Calculate the pH after the addition of each of the following volumes of acid.
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An engine is built to extract power from the temperature difference in the ocean. what is the maximum theoretical efficiency of such an engine
Calculate oxalate ion in the resulting solution. volume change is negligible Calculate the Kb for the reaction that occurs when solid sodium oxalate is dissolved in water
An electric blanket is connected to a 120-V outlet, What is the resistance of the heater wire in the blanket
Given a 100MHz clock signal, derive a circuit using D flip-flops to generate 50HHz and 25MHz clock signals. Draw a timing diagram for all three clock signals, assuming reasonable delays.
The rear window of a van is coated with a layer of ice at 0°C. The density of ice is 917 kg/m3, What is the maximum thickness of ice above this area that the defroster can melt in 3.9 minutes
An unusual capacitor has a capacitance that is a function of time given by C = 2 + cos(2000t) μF in which the arugument of the cosine functionis in radians. A constant voltage of 50V is applied to this capacitor.
Assuming that seawater has a total ion concentration (a.k.a colligative molarity) of 1.10 Mc, calculate how many liters of seawater are needed to produce 15.4 L of fresh water at 20 °C with an applied pressure of 75.0 bar.
The rms current in a copy machine is 5.26 A, and the resistance of the machine is 19.7?. find the peak power delivered to the machine
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