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A sample of radon gas starts a at a volume of 10.0 kL and a temperature of 132 degrees celsius if its final temperature is 110 degrees celsius, volume is 18.8 kL, and pressure is 302 kPa what was its original pressure?
After the solid is completely dissolved, the student adds 20.0 mL of a 0.995 M sodium hydroxide solution. What is the final pOH of the solution in the beaker. Assume volumes are additive.
The area of the head of an average flat headed straight pin is 3.50*10(-4) inches squared. the atomic radius for the element neon is 7.0*10(1) pico meters. if you could line up a row of atoms how many neon atoms can fit across the diameter of the ..
If 750 ml of a certain solution contains 50 g Na2SO4 the sodium ion concentraions [Na+], is what
At 25C, this cell gives a voltage of 0.424V, and it is observed that In metal is plating out on the In electrode as time passes. Determine the standard reduction potential for the (In3+ | In) half- cell. For the (Zn2+ | Zn) half cell Eo= -0.762V.
What is the pH of a solution prepared by mixing 200 ml of 0.1 M HCl with 300 ml of 0.1 M sodium acetate and diluting the mixture to 1 L?
What is the pH at equivilance point? c. What is the pH of the solution when 106.4mL of 1.721 M NaOH has been added to the 0.591 M acetic acid solution?
Write a balanced nuclear equation for the following: The nuclide bismuth-214 undergoes alpha emission to give thallium-210.
A standard solution of sodium hydroxide has a molar concentration of 0.128M. You use 25.00ml of a solution of hydrochloric acid and this requires 32.75ml of the standardized sodium hydroxide solution to reach the endpoint. WHAT IS THE molar concen..
Explain what is the fraction of association (α) for the subsequent potassium propionate solutions. Ignore activities. The Ka of propanoic acid is 1.34 × 10-5.
consider the following mechanism for the formation of a dna double helix from its strands a and ba b unstable helix
1. assume that the smallest volume that youcan dispense is 1.0 ml and that you have 3.5 l of an inexpensivediluent. you
a 50.0 ml solution of 1.2 m hcl at 24.1 deg celsius is mixed with 50.0 ml of 1.3 m naoh also at 24.1 degrees celsius in
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