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At 60.51 degree C a coffee-cup calorimeter contains the 50.0g of water. A 12.4 g piece of graphite at 24.21 degree C is placed in the calorimeter.
Each block has a heat capacity of 1000JK-1. One block is initially at a temperature of 25C the other is at 75C after Theydon to thermal equilibrium, to iron blocks of equal mass are brought into the
An infant is packed in 1250 g of ice to reduce a fever, if the ice at 0C melt and warm to body temperature(37.0C) discuss how much heat in joules is absorbed?
The equilibrium constant at 2500 K is 3.6 ×10-3. The experiment in Exercise 12.39 was redesigned with the 0.15 mole each of N2 andO2 were injected into a 1.0-L container at 2500 K.
State the hardness of water in terms of mg CaCO3/L (FM for CaCO3 = 100.09) Suppose you collected a water sample from your kitchen faucet which is having the 3.2mM Ca2+ + 1.1mM Mg2+.
Determine the equilibrium concentration of ammonia, if[H2] =1.2 × 10-2 molL-1 and[N2]= 3.2 ×10-3 molL-1. The equilibrium constant for the reaction, 3H2(g) +N2(g) ↔ 2NH3(g), at a gi
Draw the figure which provides the visual representation of problem. Determine true direction of plane, and compute speed with respect to ground?
Explain what conversation factor will enable you to determine the number of moles of ClO- ions from the number of moles of S2O32- ions used in the titration?
Calculate the central atom electronic geometry for SO2 andCO3-2 and determine the regions of electron density. Discuss in detail.
Determine the numbers of kJ would it take to breakdown the nucleus of Ni-58? Explain the answers thoroughly as well as all the necessary steps arriving at the answers.
A student at a temperature of 0 degrees C adds the 25.0 g of NaCl crystals to a mixture of 25 mL of ice water in a coffee cup calorimeter.
Explain why H2O has an H - O - H bond angle of 104.5o while CH4 has a H - C- H bond angle of 109.5o. Write down the Lewis structures for the following none of which obey the octet ru
Compute the sulfuric acid molecule, H2SO4. The sulfur atom is the central atom in this molecule, with the oxygen atoms attached to it. The Hydrogen atoms are then attached to two of the oxygen atoms
If the reaction has a rate constant k at 25 degree Celsius, explain how will the rate constant be modified at 60 degree Celsius. Consider an elementary reaction with activation energy of 1000
Explain the objective of having linear x term in form. Why do we require to have more than one x, is not one x2 term sufficient to explain something as quadtraic.
Find out the pressure if the volume of the container is maintained the constant and the temperature is raised to 379C when a sample of nitrogen gas in a 1.57-L container exerts a pressure of 1
The equilibrium constant of the reaction of Cl2(g) with PCl3(g) at a particular temperature to form the PCl5(g) is 50. What are the equilibrium concentrations of all species if the initial concentr
A sample which is having a 3.00 g of SO2(g) originally in a 5.00L vessel at 21 degree Celsius is transferred to a 10.0L vessel at 26 degree Celsius and a sample which is having the 2.35 g N2(g) orig
3 H2(g) +N2(g) ↔ 2NH3(g), The reaction has the following equilibrium constants at the following temperatures. Calculate at which temperature are products favored?
Define what is happening to the concentrations of reactants on the molecular level. At a particular temperature, iodine vapor, I2, is added to a bulb which is having the H2(g).
Determine the numbers of liters of chlorine gas, calculated at STP, would be formed by the electrolysis of molten sodium chloride by using a current of 3.50A for 46 Minutes?
Calculate the minimum sulfide ion concentration that will result in the precipitation of one action but not the other. Use sulfide precipitation to separate the copper (II) ions from the manganese
Determine amount invested at every rate if the interest earned after I yr is $760 and amount invested at 9% is equal to sum of amounts invested at 5% and 7%.
The products of the bombardment are cerium-144, rubidium-89, beta particles, and more neutrons. Determine the fission reaction in which the U-235 is bombarded by neutrons.
Moe is lecturing Larry and Curly once again claiming he is twice as smart as Larry and 3 times as smart as Curly. If he is right and sum of their IQs is 165, find IQ of every stooge?