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what is the density of a rock that causes the water level in a graduated cylinder to rise from 35.5 to 47.2 and has a mass of 22.8 grams
It has a diameter of 13.46 cm. On the other hand, spent uranium (from processing which removes the commercially important rare isotope) has a specific gravity of 19.05. How many pounds would a uranium cannonball of the same dimensions as the iron ..
Disregarding any other losses and treating the animal as a closed system, what was the change in internal energy of the animal?
hfcs hydrofluorocarbons are replacing cfcs chlorofluorocarbons because the c-h and c-f bonds are stronger than c-cl
what is an example of a hypothesis testing for the percentage of ethanoic acid in vinegar? Give me examples of hypotheses and how to test them. thanks :)
A piece of metal with a mass of 18.2 grams was dropped into a graduated cylinder containing 16.50mL of water. The graduated cylinder after the addition of the metal is 18.40. Determine the density of the metal.
Calculate the value of the rate constant for this reaction at 375 degrees celsius. I already calculated the activation energy which is 140.3 kj.
What type of reaction is occurring in each step. some categories include: Bronsted-lowry acid-base, precipitation or redox.
Calculate the pH for each of the following cases in the titration of 50.0 mL of 0.120 M HClO(aq) with 0.120 M KOH(aq). The ionization constant for HClO is 4.0×10-8
If the enthalpy of combustion of the compound is -2978.0 kJ/mol and the temperature of the calorimeter rises from 25.44 C to 27.7 C, how many moles of the compound were oxidized?
From experimental data for rate of disappearance of CH3CHO, derive the rate law and the rate constant, k (with units).
What mass of lead sulfate is formed in a lead-acid storage battery when 1.41g of Pb undergoes oxidation
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
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