Explain the heat of combustion per gram of butane
The combustion of butane produces heat according to the equation:
2C4H10 (g) +3/2O2(g) =Al2O3(s) ΔHo rxn= -5,314 kJ
Determine the heat of combustion per gram of butane.
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Determine (i) average number of computers waiting for adjustments? (ii) average number of computers not in working order? (iii) probability system is empty? (iv) average time in quere? (v) average time in system?
A model rocket engine consists of an average thrust of 5.26 N. It consists of an initial mass of 25.9 g, which comprises fuel mass of 13.5 g. The period of its burn is around 1.90 s. (Suppose that all the fuel is consumed.) (i) Determine the avera
Explain how could you use a precipitation reaction to separate each of the following pairs of cations? Write down the formula for each reactant you would add, and write down a balanced net ionic equation for each reaction.
A model-train car having mass 225 g traveling with the speed of 0.50 m/s links up with the other car of mass 445 g which is initially at rest. Determine the initial kinetic energy. Determine the final kinetic energy. Determine the speed of the car
The combustion of butane produces heat according to the equation: Determine the heat of combustion per gram of butane.
What could you change about the experiment to resolve (separate) these two spots next time? Imagine that after developing the TLC plate, you see that two result spots (from the same solution) are overlapping.
A puck having mass 0.20 kg approaches a second, similar puck that is stationary on frictionless ice. The original speed of the moving puck is around 6.0 m/s.
Using the hydrochloric acid a 5.00 mL sample of barium hydroxide is titrated to the phenolphthalein endpoint. The five mL sample needs 18.02 mL of 0.0873 M HCI solution to reach the endpoint.
Illustrate that if m = u/v is rational number in D then Q_{m} will be rational point of form (a/c, b/c) with a >= b. Determine the formula for each of numbers a, b, c in terms of m.
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