Calculate how much oxygen is required to burn
In the oxyacetylene torch the burning of acetylene, C2H2 in the oxygen is reaction. Calculate how much oxygen is required to burn the 20.0 kg of acetylene and the unbalanced equation is
C2H2(g) + O2(g) → CO2(g) + H2O(g)
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Does one degree represent the smallest change in the temperature from the temperature scale (Fahrenheit, Celsius, and Kelvin)?
Alice hears both the sound waves which have traveled via the wire (wave 1) and those which have traveled via the air (wave 2), bypassing the wire. Determine the wave which arrives sooner and by how much?
The two parallel wires are separated by 5.85 cm, each carrying 3.35 A of current in the similar direction. (i) Determine the magnitude of the force per unit length among the wires?
An engineer designed the rocket to hold 1.00 kg N2O4 and surplus the N2H4. Explain how much nitrogen would be formed according to engineer's design?
The student consists of a mass of 67.0 kg, and the height of the water slide is 12.7 m. When the kinetic frictional force does -5.80 x 103 J of work, determine how fast the student is going at the bottom of the slide?
After the heating added the 65.0 grams of water initially at 26.8 C and it is having the final temperature is 31.8 C. Analyze the specific heat and Recognize the unknown piece of metal when the specific heat of water is 4.184J/gC.
A nearsighted or shortsighted person has a near point of 20 and a far point of 40. Determine what power lens is needed to correct this person's vision to permit her to see distant objects?
Plane is heading due south and climbing at rate of 110 km/hr. If its airspeed is 540 km/hr and there is wind blowing 100 km/hr to northwest, find ground speed of the plane?
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