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A closed flask of air 0.250l contains 5.0 puffs of particles . The pressure probe on the flask reads 93kpa. A student uses a syringe to add an additional 3.0 puffs of air through the stopper. Find the new pressure inside the flask
A gas occupying a volume of 1.50 L exerts a pressure of 700 mmHg at 200 degrees C. Which mathematical expression gives the correct pressure at 6.00 L and 400 degrees C?
A 0.100g of plant food was reacted and 0.963g of MgNH4PO4*6H2O was recovered. What is the mass% of P in the original sample?
What is the volume of 0.750 M KCl(aq) that can be prepared from 125.0 g KCl(s)? The volume is ___x10^____ L
question 17.4g of aluminium is dropped into a beaker of dilute hydrochloric acid.calculate the work done in j on the
for na and mg ions compare the ratios of the number of ions in the 3p excited state to the number in the ground state
You transfer a sample of a gas at 17*C from a volume of 5.67L and 1.10atm to a container at 37*C that has a pressure of 1.10atm. what is the new volume of the gas?
Explain Zinc sulfide reacts with nitric acid to give zinc sulfate and nitric oxide. Compute the mass of zinc required to react with 110mL of 0.15 M nitric acid
Even though butanols have the same number of the same atoms, we see large differences in their ability to dissolve water. How do you account for this? How might you account for the much smaller differences observed among the pentanols
a 1.00 molar solution of acetic acid is titrated with 2.00 molar solution NaOH. What is the ph at equivalence point
For silver metal, the velocity of electrons emitted utilizing 200 nm photons is 7.42 x 105 m s-1. Compute the work function of silver in eV.
3.6ml of m-xylene(d=0.864 g/ml) is reacted with 0.6g of pthalic anhydride and 0.2 g of ALCL3 to obtain the product. the actual yield is 0.36g. using this data answer the following.
The solvent for an organic reaction is prepared by mixing 70.0 mL of acetone (C3H6O) with 73.0 mL of ethyl acetate (C4H8O2). This mixture is stored at 25.0 degrees C.
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