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Determine what can you say about the sign of ΔG0 for this reaction? Determine the numbers of kJ of energy will be absorbed if 197 grams of C are reacted with excess S8?
Find the most which you can state about the amount by which the entropy of the rest of universe rises in the process above?
Write down the thermo chemical equation for the standard enthalpy of formation of the liquid acetic acid, CH3COOH, where given that the reaction releases 484.5 kilojoules per mole of the acetic acid.
Determine the numbers of J of heat are required to raise the temperature of 62.0g of ethylene glycol from the 13.1C to 40.5C? The specific hear of ethylene glycol is 24.2 J/g-K.
Throughout the process the mechanical device pushing the piston to compress the gas is found to use 1.00 kJ of energy. Determine how much heat flows among the heat reservoir and the gas?
Measurements in Sargasso Sea in West Indies have indicated that half surface light reached the depth of 73.6 feet. Determine k, and find depth at which 1% of surface light remains.
Explain how much heat energy it takes to warm 1.703 x103 L of liquid water in Kenosha's hot tub from room temperature (298 K) to 100. oF? (For this problem, consider the density of water to
The electron moves with a speed of 1 m/s in the x-y plane at an angle of 45o among the positive x and y axes, in the direction of increasing x and y. The magnetic field B = (1.0i + 2.0k) T is applie
Determine the numbers of grams of barium sulphate will be produced from the 100 g of sodium sulphate and 200 g of barium nitrate? Ba(NO3)2 +Na2SO4 > BaSO4 + NaNO3
Explain an experiment using only hot and cold water that would enable you to verify that the heat capacity of a coffee-cup calorimeter is about 10 Joules/Celcius(J/C). Be Specific.
Determine the magnitude of the magnetic field (in T) at a radial distance r1 = 5.50 cm from the center of conductor?
Gasoline (C8H18) and ethanol (C2H5OH) are both used as automobile fuel. If gasoline is selling for $4.50 per gallon, determine the price of ethanol have to be in order to provide the same amount of
What would happen to the retention times if the column temperature was increased? If a sample containing butanone and 3-pentanone were injected into a non polar gas chromatography column, d
A flexible cable of 100 M long weighing 16 N is stretched among the two poles having a force of 450N. When the cable is struck at one end, compute the speed of the wave created.
Formula for converting Celsius temperature (x) to Kelvin temperature is k(x)=x+273.16. Formula for converting Fahrenheit temperature (x) to Celsius temperature is c(x)= (5/9)(x-32).
Determine an approximate value for Avogadro's number. Iron crystallizes in a body-centered cubic structure. The volume of one Fe atom is 8.39e-34 and the density of Fe is 7.874 g/cm3.
Find out the shortest length of an open pipe which will resonate at 0 degrees C with a fork of frequency 160 cy/sec. Determine the frequency of the sound overtone when the temperature rises by 10 de
Calculate the highest energy conformation of the 1-bromo-2-propanol? The would Br and OH be eclipsed or Br and the methyl group?
Calculate the freezing point of benzene at the 1000 atm when benzene freezes at 5.5C its density changes from 0.879 g/cm3to 0.891g/cm3. Its enthalpy of fusion is 10.59kJ/mol.
Determine the contribution to the magnetic field (in vector form) due to a part of current of length dl at (R, 0, 0)
Calculate the maximum rate of loss of water? Suppose that all the radiant energy is absorbed. In July in Los Angeles, the incident sunlight at ground level has a power density of 1.2 kW/m2&
A charge of 6.00 µc is moving with the speed of 7.50x10^4 m/s parallel to a very long, straight wire. The wire around 5.00 cm from the charge and carries a current of 67.0A in a direction oppo
Identify the empirical formula of mesitylene. This is a combustion reaction. All the carbon in the CO2 formed comes from the sample. Mesitylene is a liquid hydrocarbon.
A piece of copper also weighing10.0g(c=0.385 J/g-K) is chilled in an ice bath to 0 degrees Celsius. A piece of gold weighing 10.0g(c=0.129 J/g-K) is heated to100.0 degrees Celsius. Both pieces of me
If you walk, your Achilles tendon, that connects your heel to your calf muscles, repeatedly stretches and contracts, much similar to a spring. This helps make walking more proficient. Assume that yo