What is the specific heat for the substance
Question: It takes 46.0 J to raise the temperature of an 12.5g piece of unknown substance from 13.0 oC to 26.2 oC. What is the specific heat for the substance?
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897.4 grams of sodium sulfide reacts with excess nitric acid. What volume of H2S gas is produced if the reaction is carried out at 760. Torr and 298 K?
An analysis of the compound shows that it contains 41.8 % C, 4.7 % H, 37.3 % O and 16.3 % N. Calculate the molecular formula.
Determine the mass of 100 mL of solution for this reaction: the results were 2.05 g of NaOH, 102.05 grams (total solution-when added with the water).
A solution is 0.10 M NH4Cl. What is the pH of this solution?
Determine the oxidation number of all the elements in the balanced redox reaction shown below? 5N^O2^- + 6H^+ + 2Mn^O4^- ---> 5N^O3-^ + 2Mn^+2 + 3H^2O^
A series of silicon-hydrogen compounds with the general formula SinH2n+2 can be represented by the known compounds SiH4, Si2H6, and SiH8. This best illustrates the law of
Calculate the temperature of boiling water at an elevation of 6000ft (2000m) given that the atmospheric pressure is 0.8atm. Assume delta H_vap is independent of T.
When magnesium metal and hydrochloric acid are reacted, hydrogen gas is produced. If 4.5 liters of hydrogen is produced during the reaction, what is the mass in grams of this product?
Common Ion Effect: The Ksp of silver iodide is 8.3 x 10^-17. What is the iodide ion concentration of a 1 L saturated solution of AgI to which .2 mole of AgNO3 is added
A sphere of copper is subjected to 81.1 MPa of pressure. The copper has a bulk modulus of 130 GPa. By what fraction does the volume of the sphere change?
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