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How much energy in J must be added to 36.04g of solid water at -15 celcius degree to conver it to liquid water at 12 celcius
A relatively small puncture is made at the base of a large, open-topped water reservoir that sits on the ground, determine the water level in the tank
An extension cord made of two wires of diameter 0.129cm (no. 16 copper wire) and of length 2.2m is connected to an electric heater which draws 17.0 A on a 120V- line, How much power is dissipated in
Which of the following states are Ture of the final temperature of a system where equal masses of Aluminum( Cal=0.900 J/g Celsius, Ti=75 Celsius and water (ch2o=4.284j/gcel, Ti=25 cel) are placed in
In the 1960s change was occurring around the globe. Choose any two countries other than the United States and do research to find out what kinds of change were taking place there. (most should be in o
03 mol sample of NH4NO3 is placed in a 1L evacuated flask, which is then sealed and heated. The NH4NO3 decomposes completely accodring to the balanced equation: NH4NO3-->N20+2H20 The total pressu
What impact or significance did the Enlightenment have on America in all of its ramifications, such as political, religious, and sociologically?
Determine the volume of SO2 (at STP) formed from the reaction of 96.7g of FeS2 and 55.0 L of O2 (at 398K and 1.20 atm). The molar mass of FeS2 is 119.99 g/mol.
This assignment is to analyse a primary source which is the vatsyana's kama sutra. Who produced the source? When, where, how, why, and for whom? What form does it take? What are its assumptions? What
Determine the volume of 02 (at STP) formed when 50.0g of KClO3 cedomposes according to the following reaction. The molar mass for KClO3 is 122.55g/mol. 2KClO3(s)-->2KCl(s)+3O2(g)
A sytringe contains 589 mL of CO at 325K and 1.2 atm pressure. A second sytringe contains 473mL of n2 at 298K and 2.6atm. What is the final pressure if the contents of tese two syringes are injected
A flat piece of glass covers the top of a vertical cylinder that is completely filled with water, What is the smallest value of the incident angle theta_a for which none of the ray refracts into the w
A mixture of .220 moles CO, .350 moles H2 and .640 moles He has a total pressure of 2.95 atm. What is the pressure of CO
Compare and contrast the image of Achilles (from the Iliad) to our modern idea of a war hero. How do modern soldiers differ from Achilles? (watch the movie, Troy) How do we honor soldiers vs. how did
The displacement of a particle in meters moving along x axis is given by x=18t+5t^2, calculate instantenaous velocity at t=2 seconds and instantaneous accelration
A mixture of 10.0g of Ne and 10 g Ar have a total pressure of 1.6atm. What is the partial pressure of Ne
During a lab experiment, we were to determine the relative level of saturation by adding, drop by drop, a solution of bromine in cyclohexane to oil and a fat, individually. However, the color that i
What are forces promoting global unity and those promoting disunity. Which of these forces will shape the next 50 years of the 21st century? Why unity or division will predominate?
A conical pendulum is formed by attaching a 0.400kg ball to a 1.00m -long string, then allowing the mass to move in a horizontal circle of radius 40.0cm, What is the ball's angular velocity, in rpm
An empty flask's mass is 17.4916g, its mass is 43.9616g when filled with water at 20.0c (d=0.9982g/ml). The density of "heavey water" at 20c is 1.1053g/ml. What is the mass of the flask when filled
What is the volume of NH3 produced in the following reaction when 3.0 L of N2 reacts with 4.0 L of H2? N2 (g) + 3H2 (g) -> 2NH3(g)
Radio waves travel at the speed of light which is 3x10^8 m/s. how many kilometers will radio messages to outer space travel in one year
Find an article that provides new information about the ancient world (pre-1500) which was published within the last five years.
Discuss the spread of Christianity and Islam. What reasons might there be for the timing, rapidity, and direction of Muslim territorial expansion? What were the causes of the decline of the caliphat
The normal force equals the magnitude of the gravitational force as a roller coaster car crosses the top of a 59-m-diameter, What is the car's speed at the top