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A reagent bottle on the shelf labeled 0.5 M NaCl was used in place of the 0.5 M CaCl2. Assuming C2O42- to be in excess, what would be observed as a result of using this reagent in this test
What is the condensed structural formula of nonane? b. Is it a solid, liquid, or gas at room temperature?
What is the wavelength of an electron traveling with a velocity of 7.0 times 10 to the 3rd power?
For this system, calculate the change in entropy (ΔS), the change in internal energy (ΔU), and the change in enthalpy (ΔH) for a reversible adiabatic expansion of this gas to a final pressure of 1.10 atm. Also calculate the final temperature (T) a..
Which of the following statements about free radicals is true? Free radicals are considered good because they are good oxidizing agents.
A second-order reaction of the type A+2Bâ†'P was carried out in a solution that was initially 0.050 mol dmâˆ'3 in A and 0.030 mol dmâˆ'3 in B. After 1.0 h the concentration of A had fallen to 0.010 mol dmâ
you are holding 2 balloons, an orange balloon and a blue balloon. the orange balloon is filled with neon gas and the blue one is filled with argon gas. The orange balloon has twice the volume of the blue ballon. What is the mass ratio of Ne:Ar in ..
Balance the following redox reaction in basic solution. Which of the following statements is not correct? Cr3+(aq) + ClO3-(aq) + OH-(aq) ? Cl-(aq) + CrO4^2-(aq)
What mass (in grams) of solid Na2SO4 would need to be added to 250 grams of water to make an ideal solution with a boiling point of 103.6°C? (Kb for water is 0.512°C/m)
The osmotic pressure of the solution is 1.21 atm at 27 °C. What is the molar mass of the solute?
Choose the answer which gives the electron-domain geometry and molecular geometry which are both correct for TeF4.
Calculate ΔH and ΔStotal when two iron blocks each with mass of 1.00kg, one at 25'C and one at 250'C are placed in contact with each other in an isolated container.
Draw the phase diagram of water and put a on the phase diagram to show the pressure and temperature conditions in the day and at night on the moon.
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