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A pitcher throws a baseball at 100 mph.
a.) What is the speed in m/s?
b.) It is 60.5 feet from the mound to the plate. How long does it take the ball to travel this distance?
Write an equilibrium expression for each chemical equation. 1. 2CO(g)+O2(g)===2CO2(g) 2. N2(g)+O2(g)===2NO(g) 3. SbCl5(g)===SbCl3(g)+Cl2(g) 4. CO(g)+Cl2(g)===COCl2(g)
The Chief Technology Officer (CTO) at ABC Widgets just returned from a technology conference where he heard about computer clusters. All he knows is that they are the big thing for businesses and he wants to explore the technology. He has asked you t..
Calculate the theoretical mass of solid formed. If the reaction in question 1 has 91.2%yield, calculate the actual mass of solid formed
Which of the seven Anions will be the hardest to detect (same anions as above), Why do you think this? If two or more are possible explain why.
You are in a mountain range with atmospheric air pressure of 520 , and you wish to boil some eggs. What is the approximate boiling point of the water at this air pressure
considering the given chemical reaction as nh3g cl2g rarr nh2clg hclg compute the deltah for this reaction and
Molecular Bromine is 24 per cent dissociated at 1600 K and 1 bar in the equilibrium Br2 equilibrium 2 Br. Calculate K at a) 1600 K and b) 2000 K given dH(reaction) = 112 kJ/mol over the temperature range.
A box contains a mixture of small copper spheres as well as small lead spheres. The total volume of both metals is calculated by the displacement of water to be 427 cm3 and the total mass is 4.36 kg. Explain what % of the spheres is copper
Which of the following substances has a standard heat of formation of zero. A. pb @ 1000 degrees C B. C3H8 @ 25.0 C and 1 ATM pressure C. Solid glucose @ room temperature D.N2 @ 25.0 and 1 atm pressure
Problem- When 1.222 atm of methane reacts with 1.345 atm of oxygen at a constant temperature in a closed rigid container to form carbon dioxide and water vapor, what is the theoretical yield (in atm) of carbon dioxide
At 25°C, hydrogen iodide breaks down very slowly to hydrogen and iodine: rate=k[HI]2. The rate constant at 25°C is 2.4 10-21 L/mol·s. If 0.0165 mol of HI(g) is placed in a 1.0 L container, how long will it take for the concentration of HI to reach..
Depict a diagram of a TLC plate. On the diagram locate as well as define each of the following terms: origin, mobile phase, component spot, development, stationary phase, solvent front, Rf value and visualization of spots.
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