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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How many grams of NaOH are in a 225.0 mL sample of 2.5 M solution of NaOH.? Molar mass of NaOH is 40.0 g/mol
Calculate the pH of the solution after 52.00 mL of HNO3 is added. What is the: 1) moles of KOH: 2) moles of HNO3: 3) [H3O]+: 4) pH of the solution
Two hydrocarbons A and B each contain six carbon atoms and one C=C. Compound a can exist as both E and Z isomers but compound B cannot . however, both A and B on catalytic hydrogenation give only 3-methylpentane. draw structures and give suitable
Calculate the initial velocity of a reaction if the substrate concentration is 4 times the Km, show calculations.
Which of the following statements about the reaction quotient, Q is false. A) The value of Q can be used to predict equilibrium concentrations B) It has the same expression as Kc
Joe is making a 0.0053 Molar sulfuric acid (H2SO4) solution in the lab. How many grams of pure sulfuric acid is needed to be used if he is trying to make 250 mL total of solution?
Calculate the pH of 0.10 M KOH where KOH is a strong base. The answer should be above 7 since its a BASE.
How much heat, in kJ, did the body have to supply to raise the temperature of the water to body temperature (37 C)?
(i) Arrange the following compounds in the order of increasing melting points: (a) He, (b) NH3, (c) LiBr, (d) Ar, (e) CsBr, (f) PH3, (g) CsI, and (h) RbBr. (ii) Separately, also arrange these compounds in the order of increasing boiling points.
How many moles of H2 gas would be formed from the electrolysis of 10 moles of water?
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