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Problem- Can someone help me on this question. More like explain to me step by step how to get the answer.
What is the density of glass in g/cm3 if a sample weighing 27.78g has a volume of 11.36cm3?
State step wise computation of your work done
iron is converted to Fe^2+ ions only and no Fe^3+ ions are formed. 25.0cm3 of the solution were acidified and titrated against a 0.0185 mol/dm^3 solution of potassium dichromate (VI). The volume required was 31.0cm^3. Calculate the percentage of i..
A system at equilibrium contains I2 (g) at a pressure of 0.41 atm and I (g) at a pressure of 0.32 atm. The system is then compressed to half its volume.
A buffer is created by mixing equal concentration is NH4+ and NH3. Calculate the volume of both solutions needed to create a buffer of pH = 8.75 with a total volume of 100ml
The uranium-235 radioactive decay series ends with the formation of 207Pb. How many alpha and beta particles are emitted in this series
considering the given chemical reaction and given information about the reaction asnbsp3 ag bg rarr 2 cg dl where
Calculate the mass of propylene glycol that must be added to 0.360 of water to reduce the vapor pressure by 2.88 torr at 40°C (Pressure of H2O is 55.3 torr at 40°C ).
For the subsequent reactions, state the balanced formula equation, complete ionic equation and net ionic equation. If no precipitate forms write No reaction
Problem- Ms. Pallor is a 24 year old graduate student at California State University. She tells you she has iron-deficiency anemia but she has no clue what it is, why she has it, or what she can do about it. You decide to take the time to provide ..
Cu2+ is reduced to Cu(s) at an electrode. If a current of 1.25 ampere is passed for 72 hours, what mass of copper is deposited at the electrode. Assume 100% current efficiency.
The water resulting from the melted ice reaches the temperature of your skin, 29.1 °C. Explain how much heat is absorbed by the ice cube and resulting water. Presume that all the water remains in your hand. Constants may be found here.
A buffer is made by dissolving 11.2 g of sodium dihydrogen phosphate, NaH2PO4, and 17.7 g of disodium hydrogen phosphate, Na2HPO4, in a liter of solution. What is the pH of the buffer?
a 25.6 g sample of pure iron at 66degc is dropped into 65 g of water at 33degc. what is the final temperature of the
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