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Determine the reaction equation and molal analysis of the combustion products of ammonia, NH3, on the surface of a heated platinum wire in the presence of
a. 0.00% excess oxygen.
b. 125% theoretical oxygen.
c. 25.0% deficit oxygen to form NO, H2O, and excess air products.
prepare a MO energy-level diagram for NO, showing clearly how the atomic orbitals interact to form MOs.
Assuming the difference in relative boiling points of methyl acetate (bp 57ºC) and 2-butanone (bp 80ºC) is caused by the difference in their dipole moments; predict which compound has the greater dipole moment. Use a vector analysis of bond dipole..
The ball is used on the driveway at temperature of -7 degree C and feels flat. What is the actual pressure of the air in the ball ? What is the gauge pressure?
What is this experiment designed to measure? What can the results NOT tell us about the experiment? What special safety precautions do you need to be aware of for this experiment?
Determine how many micrograms of herbicide are present in 10 lb of soil if the herbicide level in the soil in a corn field was observed at 3.0 ppb. ?
A student is given four solid samples labeled W, X, Y, and Z. All have a metallic luster. She is told that the solids could be gold, lead sulfide, mica (which is quartz or SiO2), and iodine.
Why is it essential to wash the recrystallized material with cold, not warm or hot, solvent. What might occur if the wash with cold solvent was omitted
What is the change is volume when 1.00 mol of CH4 reacts with 2.00 mol O2? What is the w for this chnage? Calculate the change in internal energy, U, for the change indicated by the chemical equation
Find out the formula of the gas produced if Na 3 P(s) sodium phosphide, is reacted with H 2 O
Can someone explain clearly why in the preparation of Acetanilide that aceylation requires one mole of acetic anhydride per mole of phenetidine despite the fact that acetic anhydride contains 2 acetyl groups? How is the byproduct containing the 2n..
1.the solution of benzoic acid c6h5cooh in water at 25degrees c is 2.9gl. the ph of this saturated solution is
One of the emission spectral lines for Be3+ has a wavelength of 253.4 nm for an electronic transmission that begins in the state with n = 5.
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