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Design a variable resistance rowing exercise machine that has a direct digital readout of the instantaneous energy expenditure rate of the user. This means you have to specify or design transducers that measure the instantaneous work rate (i.e., power) done on the machine. This power can be absorbed by the machine either electrically or mechanically.
Provide assembly and detail drawings of your design plus specify all the electronics necessary to process the transducer signals and provide the proper digital output.
The standard Gibbs free energy change for the decomposition reaction of CaCO3 (s) to CaO (s) and CO2 (g) at 1173 K is 0.178 kJ/mol. Calculate the equilibrium constant for the decomposition at 1173 K.
For the titration of 25.0 mL of 0.20 M hydrofluoric acid with 0.20 M sodium hydroxide, determine the volume of base added when pH is 3.15
Examine the following set of ionization energy values for a certain element. How many valence electrons does an atom of the neutral element possess
Consider the decomposition of ammonium nitrite: NH4NO2 yields to N2 + H2O. What would be the change in pressure in a sealed 10.0 L vessel due to the formation of N2 gas when the ammonium nitrite in 2.90 L of 0.990 M NH4NO2 decomposes
Which one of the ions (i) Cl- and (ii) Ce3+ will be oxidized by MnO4- in acidic solution? Write balanced equations for these and calculate the standard potential for each reaction?
find the value of pressure.1. a gas in a sealed container has a pressure of 111 kpa at a temperature of 50.0degc. if
Question- At 298 K and 1 atm, gas A travels an average velocity of 444 m/s. At the same conditions, gas B travels 274 m/s. Part 1 Which gas has a larger molecular weight, A or B
how much heat is required to warm 219 g of ice from -45.7degc to 0.0degc melt the ice warm the water from 0.0degc to
The first ionization energy of bismuth is +703 kJ/mol. What is the longest possible wavelength of light that could ionize an atom of bismuth
An aqueous solution is 1.25 M glucose (C6H12O6). It has a density of 1.08 g/mL the kf value for water is 1.86 degrees Celsius/m. Explain what is the freezing point of this solution
What is the heat of vaporization of a if 215mol of the liquid required 2040J of energy to vaporize at its boiling point
calculate the expected ph of a 25.0 ml solution of 0.200 m acetic acid that is being titrated with a 0.100 m solution
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