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Problem- A sample containing 33.87 g of metal pellets is poured into a graduated cylinder initially containing 10.8 mL of water, causing the water level in the cylinder to rise to 14.3 mL. Calculate the density of the metal. Answer must match significant figures.
Express your knowledge to solve the above question
The precipitate is filted off and potassium sulfate is added to the remaining solution, producing no precipitate. When potassium carbonate is added to the remaining solution, a precipitate forms. Write net ionic equations for the formation of each..
What atomic or hybrid orbitals make up the sigma bond between I and I in triiodide ion, I3-?. What is the approximate I-I-I bond angle?
Consider formic acid, HCOOH (Ka= 1.9 x 10^-4) and its conjugate base, HCOO^- with a Kb of 5.3 x 10^-11.
Calculate the pH at the equivalence point for the titration of 0.25 M CH3COOH with 0.25 M NaOH. (For CH3COOH, Ka= 1.8 x 10^-5)
If 5.45mL of 0.1000 M NaOH solution is needed to just neutralize excess acid after 20.00 mL of HCl was added to 1.00 g of an antacid, how many moles of acid can the antacid counteract per gram
write the balanced chemical equation for each of the following equilibrium constant expressions: a)Kc=[CO2][H2]/[CO][H2O. b)Kc=[H2][F2]/[HF]^2. c)Kc=[O2][HCl]^4/[Cl2]^2[H2O]^2. d)Kc=[CS2][H2]^4/[Ch4][H2S]^2.
A robust first grader goes for swimming lessons three times a week, and he enjoys it thoroughly. During the first week of December, he develops an upper respiratory infection, starts coughing continuously, and has a high fever of 39°C. His conditi..
A) How many O2 molecules are needed to react with 6.09 of S? B) What is the theoretical yield of SO3 produced by the quantities described in Part A?
Enzyme labeling can be used to map the structure of the active site of an enzyme using an affinity label, a molecule that is structurally similar to the substrate
For the blanced equation, shown below, What would be the limiting reagent if 67.6 grams of H2S were reacted with 55.9 grams of O2. 2 H2S (g) + 3 O2 (g) --> 2 SO2 (g) + 2 H2O (g)
Find delta H for HCl(g) given H-Cl bond enthalpy = +431 kJ·mol-1;
you add 1.65L of water to 112g of sodium acetate. what is the molarity of the sodium acetate in the solution
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