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The accompanying diagram shows how ?H (red line) and T?S (blue line) change with temperature for a hypothetical reaction.
(a) What is the significance of the point at 300 K, where ?H and T?S are equal?
(b) In what temperature range is this reaction spontaneous?
converting liquid water to solid ice releases 1.44 kcal/mol.
find the mass of sodium required to profuce 5.68 l of hydrogen gas at stp from the reaction described bu the following
Suggest a reason why the cyclic intermediate in the formation of methyl-e-4-methoxycinnamte from p-anisaldehyde, might have two important groups in a trans relationship
suppose the wind speed in a hurricane is 09 mph mih. a find thenbspdifference in air pressure pa outside a home and
The mercury level in the open end of the manometer is 22 mm below that in the side connected to the argon. What is the pressure of argon, in mmHg
Does a weak acid have a low molarity? Please explain why if so.
What is the maximum number of electrons in an atom whose highest-energy electrons have the principal quantum number n=5
U know that a certain sugar molecule contains higher energy phosphate bond than the gamam phosphate of ATP under the standard condition
A 25.72 mL sample of a 0.200 M solution of barium nitrate is mixed with 11.19 mL of a 0.250 M solution of potassium sulfate. Assuming that all ionic species are completely dissociated
Derive an expression for the partition function for a molecule with two states separated by energy hν (i.e. ε1 = 0 and ε2 = hν). If we consider a canonical ensemble of N such molecules, derive expressions for the total internal energy and the heat..
What would be the expected effect on yield if only one mole of diethylamine per mole of alpha-chloro
A voltaic cell consists of a standard H2 electrode in one half-cell and a Cu/Cu2+ half-cell. Calculate [Cu2+] when Ecell is 0.25 V
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