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A 15.7-g aluminum block is warmed to 53.2 °C and plunged into an insulated beaker containing 32.5 g of water initially at 24.5 °C. The aluminum and the water are allowed to come to thermal equilibrium. Assuming that no heat is lost, what is the final temperature of the water and aluminum?
Nickel crystallizes in face center cubic unit cell with an edge length of 375 pm. Determine the density of nickel in g/cm3
a) Assuming ideal behavior, what is the solubility of AgCl(s) in 1.00 x 10-4 M NaCl if only Ksp is considered? (b) What is the solubility AgCl(s) if all 4 equilibria are considered for the 1.00 x 10-4 M NaCl
Combine 15.0 mL of 0.125 M chromium (III) nitrate and 15.0 mL of 0.125 M ammonium carbonate. What is the limiting reactant
a stock solution is prepared by adding 15 ml of 2.5 m bacn2 to enough water to make 20 ml. what is the cn-
Which of the following reagents could be used to separate the two anions in a solution of sodium sulfide and sodium acetate. Select all that apply.
A solution is made by mixing 41.0 mL of ethanol, C2H6O, and 59.0 mL of water. Assuming ideal behavior, what is the vapor pressure of the solution at 20 °C?
Ethoxide ion + (3S)-3-iodo-5-methylheptane, define what is the product. Can you depict it with the wedge and dashed bonds.
would the calculated value of k the true rate constant be in error if the concentration of dye was actually doubled the
Why can anhydrous NaOH not be used to dry t-amyl chloride instead of calcium chloride and what side products may be produced
when relatively small amounts of magnesium burn the fires are extinguished using commercially available dry powder. why
Carbon-14 is a radioactive isotope which decays with a half-life of 5730 years. What is the first-order rate constant for its decay, in units of years^-1
Assuming that the resolution of an electron microscope is equal to the de Broglie wavelength of the electrons used, to what speed must the electrons be accelerated to obtain a resolution of 0.30 {nm}
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