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An automobile antifreeze is made using equal volumes of ethylene glycol (d = 1.114 g/mL; MM = 62.07 g/mol) and water (d = 1.00 g/mL) at 25°C. The solution has a density of 1.06 g/mL. What is the
How did the U.S. affect Latin America in the 1920's and 1930's? Was it positive or negative? Explain. What happened to Latin American governments in the 1930's? Why did it happen?
An electron moves in a circular path perpendicular to a magnetic field of magnitude 0.230 T, find the speed of the electron and the radius of the circular path
A gas sample with a mass of 0.440g has a volume of 0.224L at STP. The gas has a molar mass of
The Emperor Charlemagne spread Christianity among the Saxons by
Aspirin (acetylsalicylic acid) is a weak monoprotic acid. To determine its acid-dissociation constant, a student dissolved 2.00 g of aspirin in 0.600 L of water and measured the ph . What was the ka
Two loudspeakers emit 500Hz notes. One speaker sits on the ground. The other speaker is in the back of a pickup truck, What is the truck's speed
A 10-L drum of ether at 18C is open to the atmosphere (p=760 Torr) and contains 6-L of liquid. The top is sealed and the drum dented so that it now has an 8-L capacity.If the vapor pressure of the e
Light of a wavelength 450 nm is incident on a sodium emitter in a photoelectric effect apparatus. What is the cutoff frequency for the emitter
Write an essay of at least 500 words on the philosophy and evolution of Performance Art in America. How does performance art differ from other styles of 20th century art?
The true rate constant for a reaction is just that, a constant( at the constant temperature). Would your calculated value for k be higher than, lower than, or equal to the real value of k if 5 wt% b
What happens to the pattern if we try to determine which slit the electron goes through by using a laser placed directly behind the slits
What happens to the interference pattern that results from the diffraction of electrons passing through two closely spaced slits if the rate of electrons going through the slits is decreased to one
According to the book, how did the events surrounding King Philip's War shape English identity? How did it shape English depictions of Indians/Indian communities? Were these interpretations accurate?
To monitor the breathing of a hospital patient, a thin belt is girded around the patient's chest, Find the average induced emf in the coil during this time. Assume the magnitude of the Earth's magneti
Write an equation for the dissociation that occurs when NaCl is mixed with water. Calculate the effective molality for the NaCl mixture. 120 g of salt and 600 g of H2O
Saturn and how he became the king of the gods? What did Saturn do to his children? Whose help did Jupiter have in defeating Saturn?
In the mammalian system, typical fatty acid synthesized for energy and storage are generally have 16 carbons. However, the typical fatty acid found in breast milk is C12 to C14. Explain how the synt
A steel cable with total length 59 m and mass 110 kg is connected to two poles. The tension in the cable is 1,260 N, and the wind makes the cable vibrate with a frequency of 2 Hz. Calculate the wave
After reading the section on Revolutionary Theory and Practice, analyze the statement by Louis Lozowick, “Whatever else might be said about revolutionary art, it does not play sycophant to &ldqu
Use the standard entropies values to calculate ?S° for the reaction 1. S° (J/mole-K): COCl2 (g) 283.7 H2O (l) 69.9 CO2 (g) 213.7 HCl (g) 186.8 1) COCl2 (g) + H2O(l) ?CO2(g) + 2HCl (g)
What is the electric potential energy of a system that consists of two protons 2.1×10?15 m apart-as might occur inside a typical nucleus
Write a review of a movie/TV show/commercial that expresses a theme or concept discussed in class and/or in the readings. Imagine you are a savvy media buff with expertise in geography and your review
How much heat is produced in burning 5 mol of CH^4 under standard conditions if reactants and products are brought to 298 K and H20(l) is formed
A wire carries a current of 9.0 A in a direction that makes an angle of 35.0° with the direction of a magnetic field, Find the magnetic force on a 6.00 m length of the wire