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Question- It takes 45.0JJ to raise the temperature of an 9.00gg piece of unknown metal from 13.0C to 24.0C. What is the specific heat for the metal?
Express your knowledge to solve the above question
how many grams of sodium ion na are in 2.50 g toothpaste. a toothpaste contains 0.24 by mass sodium fluoride used to
In the representative elements, how does the stability of the lower oxidation state change as you go down a group and is there a different trend for transition metals
Consider the solution reaction AlCl3 + 3AgNO3 -> 3AgCl + Al(NO3)3. What volume of 0.100 M AlCl3 will exactly react with 55.0 mL of 0.162 M AgNO3?
Outline a mechanism for the phtolysis of methyl butyrate assuming the reaction follows a patter similar to 2-pentanone.
A solid sample weighing 0.2736 g of ethylammonium chloride appreciably contaminated with ammonium chloride (but no other contaminants) required 34.20 mL of 0.08177 M NaOH for complete titration. Find the weight percent of each component in the mix..
degrees celsius was added to an insulated vessel containing 50.0 g ice and 25.0 g water at 0 degrees celsius. What mass of liquid water is present in the vessel at the end?
What mass of oxygen (in grams) reacts when 14.2 g of ethanol (CH3CH2OH) are combusted in oxygen to produce carbon dioxide and water
ag has a density 10.5 g cm3.a graduated cylinder has 28.0 ml of h2o. determine the new water level after 35.6 grams of
Pu-239 (nuclear mass of 239.0006 amu) decays by alpha emission to U-235 (nuclear mass of 234.9934). Calculate how much energy is given off by the decay of 2.00 mg of Pu-239.
Titanium crystallizes on a body-centered cubic lattice with a unit cell edge length of 3.28 Å. The density of titanium is 4.54 g /?cm3. The atomic mass of titanium is 47.88.
Analysis with an elaborate instrument indicates that substance A contains two elements. Substance B and substance C react to give a new substance D
What is the resulting pH when .005 moles of KOH is added to .1 L of buffer solution that is .100 M in H2PO4- and .100 m HPO4^2- and the Ka2 = 6.2x10^-8
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