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A 480 W heating coil designed to operate from 100 V is made of Iron wire 0.548 mm in diameter, calculate the length of wire used
Related to the Crusades, the Golden Gate leading into Jerusalem where the Jewish Messiah is expected to return (and where Jesus Christ entered the city for the last time) was walled up by Arab conquer
What is the boiling point of a solution that is produced by adding 650 g of cane sugar (molar mass is 342.3 g/mol) to 1.5 kg of water? Cane sugar is a molecular substance.
On a clear day the electric ?eld in the atmosphere near the earth's surface is 100 N/C, What is the potential at the top of a man's head if the man is 2 m tall and is standing
Explain possible reasons why the western cultures have a history of monotheistic Gods/religions while the eastern civilizations tend to believe in polytheism?
The solubility of nitrogen in water exposed to the atmosphere, where the partial pressure of nitrogen is 593 mmHg, is 5.3 × 10-4 M. At the same temperature, what would be the solubility of pur
To say crusade in arabic means something awful compared to saying crusade in English, which means symply "an adventure or mission possibly of a religious manner." Explain
An aqueous solution of Na2CO3 has a pH of 10.00. The CO3-2 (carbonate anion) is the conjugate base of its conjugate acid, HCO3- (bicarbonate anion). Write the net ionic equation for the reaction whi
A cylindrical 98.50 ? resistor is made from a coil of copper wire whose total mass is 74.0 g, What is the diameter and lenght of the wire
You have 100 mL of a .10 M Acetate buffer pH 4.75 composed of .050 M Acetic Acid and .050 M Na Acetate. 100 ml of pure water is added and the pH is still 4.75. Use the henderson hasselbalch equation
The end of WWI resulted in numerous social, economical and political changes. Indeed, for many of the participants of that conflict, the diplomatic/political and economical status of their nations d
Calculate the pH of a buffer composed of .50 M formic acid (HCO2H) and .70 M sodium formate (HCO2-Na+) before and after the addition of 10.0 ml of 1.0 M HCL
You throw a ball straight into the air from a height of 4 feet and with a speed of 5.02 m/s, How far are you from the ball, the moment it hits the ground
How many moes of diethylamine((C2H5)2NH, Kb-1.3E-3) must be added to 447ml of distilled water to produce a solution with a pH of 12.787? Can someone explain this step by step?
Similarities and differences between eastern orthodox and roman catholic works of art
The moment the other student passes you, you start accelerating at 2.67 m/s2, After what distance will you catch up with your classmate
The decade of the 1920s has been characterized as both the “age of anxiety” and a period of hope.” Why?
The political boundaries established early on by Constantine play an important role in the development of Christianity. Essentially, the Western side of the empire con't with their own traditions in C
In the "free electron molecular orbital" (FEMO) theory, the electrons in a conjugated molecule are treated as independent particles in a box of length L. Predict the minimum excitation energy in but
The drawing shows an equilateral triangle, each side of which has a length of 2.23 cm. Point charges are fixed to each corner, Determine the charge qA and qB
What is the H-2A program? What are the flaws that Eric Ruark at the Federation for American Immigration Reform refers to?
Why did Muhammad find the religion of Islam. How and why was the religion able to spread so rapidly? Please discuss starting with a 10-12 sentence response.
Which nineteenth century European philologist was commissioned in 1847 by british east india company to edit and publish tha "RIGVEDA"?
at 350 degrees celcius and 200 atm the % yield is 50%. Calculate how many grams of N gas are required to produce 25.000g Ammonia
Why was Napoleon able to succeed in securing the gains of the French Revolution where the Revolutionary Governments before him failed? What did this mean to France and the World?