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If a student performs an end other mic reaction in a calorimeter, explain how does the calculated value of delta H differ from the actual value if the heat exchanged with the calorimeter isn't taken into account?
Delta H(calc)would equal the actual value because the calorimeter does not absorb heat
Delta H(calc)would be more negative because the calorimeter always absorbs heat from the reaction
Delta H(calc)would be less negative because the calorimeter would absorb heat from the reaction.
Delta H(calc) would be more positive because the reaction absorbs heat from the calorimeter
Delta H(calc)would be less positive because the reaction absorbs heat from the calorimeter
The molar solubility of a compound AX2 is 2.5 x 10-3 M. Calculate the value of Ksp for AX2. 1.5 x 10-3 6.3 x 10-8 1.4 x 10-8 3.4 x 10-9 none of these
FeCl3 reacts with only one of the two compounds: aspirin and salicylic acid. With which part of a molecule does FeCl3 react
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2.4g of N2, 2.4g of H2, and 9.6g of CH4. What is the mole fraction of H2 in the mixture?
How many grams of cisplatin are formed from 54.4g of K2PtCl4 and 36.4g of NH3 if the reaction takes place in 95% yield based on the limiting reactant.
If you have 330 ml of water at 25 degrees and add 110 ml of water at 95 degrees, What is the final temperature of the mixture.
If vitamin A is 83.86% Carbon and 10.56% Hydrogen by mass then determine the the molecular formula this vitamin A.?
a sample volume of 0.5ml was pipetted into a beaker treated withreagents to produce an indigo color transferred to a
The half-life of a reaction, , is the time it takes for the reactant concentration to decrease by half. For example, after one half-life the concentration falls from the initial concentration
How can diacetylmorphine be ionised in the blood and what will the effects of this be on the molecule in circulation? (I assume that it will be more soluble?)
has a standard free-energy change of -4.00 kJ/mol at 25 °C. What are the concentrations of A, B, and C at equilibrium if, at the beginning of the reaction, their concentrations are 0.30 M, 0.40 M, and 0 M, respectively
A reaction has a rate constant of 7.69 M^-1s^-1 at 219 K and a rate constant of 3.36 *10^4 M^-1s^-1 at 344K. what is the activation energy for this reaction
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