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Question- How much work does a gas do when is expands against a constant pressure of 0.500 atm from a volume of 50.00 ml to a volume Question-of 350.00 ml?
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How many moles of (NH4)3PO4 are present in 100.0 mL of 2.50 M (NH4)3PO4?
what two families of elements in the periodic table generally do not accept additional electrons i.e. which ones have
Explain using Hooke's law why the H-X stretches absorb higher frequency energy than C-X stretches. (X=C,N,O)
A container with 1.00 mol of gas is expanded from 5.00L to 10.0L by adding more gas. The temperature and pressure are kept constant. How many moles of gas are present after the expansion
fluorine-18 undergoes positron emission with a half-life of 1.1x102 minutes. if a patient is given a 248mg dose for a
A sample of gas has an initial volume of 2.4 L at a pressure of 855 mm Hg and a temperature of 298 K. If the gas is heated to a temperature of 387 K and expanded to a volume
Explain how long will it take until 100 atoms of this isotope stay put active in the person. (A person accidentally breathes in 8 times 1018 atoms of this isotope). The first order rate constant for decay of the isotope if 0.086625 s-1
Explain the relationships among the change in the degree of order, the change in entropy, and the change in free energy that occur during chemical reaction.
How many Micromoles of A- and HA are present in the solution. If you now add 3mL of 1M NaOH, will you still have a valid buffer.
The primary volume was 3.00 L as well as the initial pressure of chlorine was 1.45atm. The piston was pushed down to change the volume to 1.00 L. Compute the final pressure of the gas if the temperature and number of moles of chlorine remain const..
How much PV work is done in kilojoules and what is the value of ^E in kilojoules for the reaction of 6.50g of acetylene at atmospheric pressure if the volume change is -2.80L
The reaction 2A+3B=C is first order with respect to A and B. When the initial concentrations are A=1.5X10^-2 M and B= 2.4X10^-3 M. The rate is 4.6 X10^-4 M/s. Calculate the rate constant of the reaction.
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