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If an amount of heat 6.824 kJ of is added to a coffee cup calorimeter containing 54.55 grams of water in starting water's temperature was 21.720 degree Celsius and after some time its temperature rises to 27.525 degree Celsius?
Determine the calorimeter constant or eat capacity, for this calorimeter if the specific heat for water= 4.184 J/goC.
Initially a container contains 0.46 M HI and no product. What is the equilibrium concentration of H2
Does this show that they are identical structures? If not what additional TLC experiments might one perform to ascertain the identity of the unknown?
By titration, 23.4 mL of aqueous H2SO4 neutralized 24.8 mL of 0.0495 M LiOH solution. What was the molarity of the aqueous acid solution?
Determine the value of the equilibrium constant, K_goal, for the reaction N2(g) + O2(g) + H2(g) 1/2N2H4(g) + NO2(g) ,K goal=? by making use of the following information
When 0.75 g of Mg(s) is reacted with excess HCl(aq) in a calorimeter of total heat capacity (container plus contents) of 550.0 J/ºC, what is the expected temperature change ?T?
A weak acid (HA) has a pKa of 4.904. If a solution of this acid has a pH of 4.356, what percentage of the acid is NOT ionized
Determine the [H3O+] and pH of each of the following solutions at about room temperature. Be certain to show the chemistry behind each problem.
What is the change in internal energy (in J) of a system that absorbs 0.836 kJ of heat from its surroundings
how many g of A will be transferred to the new ether layer? (K remains the same, even though the number of g of A being partitioned is smaller. How many total g of A have been extracted into the two ether fractions?
Consider a mixture is a 2 dm^3 flask at 27 degree C. For each of the following mixtures, calculate the partial pressure of each gas, the total pressure, and the compositon of the mixture in mole percent.
suppose you have a new thermometer called the x thermometer. on the x scale the boiling point of water is 130 degrees x
Draw the structures for and name and classify as primary, secondary, or tertiary all the isomeric amines
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