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An air-filled parallel-plate capacitor has a capacitance of 1.1 pF. The separation of the plates is doubled and wax is inserted between them, Find the dielectric constant of the wax
What is the history of the Industrial Revolution, and its affects upon social structures? Explain the rise in urban social structures, and how they differed from previous times, as well as how they af
If 29.7 mL of 0.0205 M KOH us required to completely neutralize 25.0 mL of a HC2H30 solution. What is the molarity of the acetic acid solution
A proton has a kinetic energy of 8.5 MeV. If its momentum is measured with an uncertainty of 4.0%, what is the minimum uncertainty in its position
how did the people of cuba revolt during the cuban revolutin? how did the leaders handle the rebellion? how did others resist the rebellion?
suppose that a cars starter draws 225A of current for 6.3 s to start the car. what mass of Pb is oxidized in the lead-acid battery to supply the electricity?(in grams)
The position and momentum of a 3.01 keV electron are simultaneously determined, what is the minimum percentage uncertainty in its momentum
A particular enzyme catalyzed reaction was followed and data collected as indicated below. Using the data, determine the Michaelis constant and the maximum velocity of the reaction.
Person a is 20 ft to the right of person b. Person a recieves a ball and throws it 18.9 m away, angle of 25 degree celcius to the right horizontal, what is his average velocity(magnitude and directi
What was the role of women in the family economy of early modern Europe? How might it differ from the lives of women in the late medieval period? How might it have been affected by the developments of
Is it possible for the activation energy of a reaction to be negative? Explain your conclusion and provide a molecular level explanation.
Why was the Renaissance a transition from the medieval to the modern world? List and explain key elements of the Renaissance that you understand to have contributed to this transition.
For a given reaction the following half-life and initial concentration data was collected. Use this data to determine the reaction's order and rate constant.
What movement in Eastern Africa is causing that part of the continet to break away? How is the "shot heard round the world" express the significance of the american revolution?
If the same number of 9.00 ?F capacitors are connected in series with the same 4.00 V battery, how much charge will end up on each capacitor plate
Provided you have sets of initial rate data for enzyme and substrate, explain using words and appropriate equations how to
Two capacitors are connected parallel to each other. Let C1 = 3.50 ?F, C2 = 5.50 ?F be their capacitances, Calculate the potential difference across each capacitor: V1 = and V2 =
An unknown amount of magnesium metal reacts with 100.0 mL 0f 0.100M aqueous hydrochloric acid. The final solution is acidic, and titrated to an endpoint using 0.150 M aqueous sodium hydroxide. The e
What is the capacitance of a pair of circular plates with a radius of 5.0cm separated by 2.9mm of mica? The dielectric constant of mica is 7
how many atoms of aluminum can be produced by the decomposition of 31.5 g of aluminum oxide
A penguin slides at a constant velocity of 1.4 m/s down an icy incline, How much time is required for the penguin to slide to a halt after entering the horizontal patch of ice
What is the total pressure in a 11.0 L flask 20.0°C, which contains 0.127 moles of H2 and 0.288 moles of N2
In which of the following are there more than eight electrons in the valence shell of the central atom?
What was the purpose of revolutionary art and how did this change art and artists in America? Briefly explain Descartes’ method. How is this the quintessential first step of modernity? How
The oxidation of o-dianisidine (o-DIA) occurs in a nernstian 2e reaction. For a 2.27 mM alution of o-DIA in 2 M H2S04 at a carbon paste electrode of area 2.73 mm" with a scan rate of 0.500 V/min. ip