How many electrons are present in an atom with its 1s 2s 2p
How many electrons are present in an atom with its 1s, 2s, 2p, and 3s subshells filled and with 4 electrons in the 3p subshell? What is the element?
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A student project is required to be portable and hand held. It requires 6 V DC power at a current of 150 mA. The batteries for the power supply must last for a minimum of 7 hours of continuous operation.
Describe the steps in the keypad polling routine. Draw a flow chart for the keypad LCD software code. Discuss challenges experienced in developing the keypad LCD software code.
According to the following reaction, how many grams of carbon tetrachloride are required for the complete reaction of 21.1 grams of methane (CH4)?
What distinguishes an external interrupt from an RTI interrupt Describe what transpires when an interrupt occurs What is an interrupt service routine What benefit does the ISR have over standard polling code
Write a balanced equation for the decomposition reaction described, using the smallest possible integer coefficients.
Calculate the work in Joules when 2.5 mols of water vaporizes at 1 atmosphere pressure and 25 degrees C. The work is done in pushing back the atmosphere.
For the reduction of Iron(III) to Iron(II) by an applied potential starting at +300mV and stepping to a applied potential of -500mV, in a diffusion limited environment with a planar electrode, plot the charging and faradaic currents at 298K
Xenon gas is released during a certain chemical reaction and pushes back the atmosphere with a change in volume of the vessel (it has a movable piston) from 2 to 20 Liters. Calculate the work done by this release of gas.
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