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explain how to find distinct terminal alkynes:
c3h4c5h8c6h10
Standard Enthalpies of Formation: acetic and AB2 = - 25.65 kCal/ mole,A++ = -8.65 k Cal/ mole,Temperature = 10 Degree Celsius determine pK,
Some ice cubes at 0 degrees C with a total mass of 379g are placed in a microwave oven and subjected to 750. W (750. J/s)of energy for 5.00 minutes. (Assume all energy of the microwave is absorbed by the water and no heat loss by the water.)
How many grams of C are combined with 2.91 x 1023 atoms of H in the compound C5H10?
A 5.0 L sealed bottle containing 0.26 g of liquid ethanol, C2H6O, is placed in a refrigerator and reaches equilibrium with its vapor at -11°C. The vapor pressure of ethanol is 10 torr at -2.3°C and 40 torr at 19°C.
Calculate the mass in grams for a sample of Al that absorbs 1.70kJ when the temperature increases from 56 degree Celsius to 177 degree Celsius?
Consider the cell described below. Al | Al3+ (1.00 M) || Pb2+ (1.00 M) | Pb Calculate the cell potential after the reaction has operated long enough for the [Al3+] to have changed by 0.32 mol/L. (Assume T = 25°C.)
A rigid flask is initially filled with 4.00 atm of NO2(g) and no N2O4(g) at 100 C. After equilibrium is achieved, the pressure of NO2 is 1.56 atm.
How many grams of water can be cooled from 36 degrees celsius to 23 degrees celsius by the evaporation of 53g of water.
Determine the magnesium content (in ppm) of a 100.00 mL sample of drinking water if the following data were obtained. Titrant is 0.0297 M EDTA, 13.71 mL
How many grams of patassium chlorate decompose to potassium chloride and 524 mL of O_2 at 128C and 752 torr?
Calculate the molarity of each of the following solutions: (a) 29.0 g of ethanol (C2H5OH) in 545 mL of solution, (b) 15.4 g of sucrose (C12H22O11) in 74.0 mL of solution, (c) 9.00 g of sodium chloride (NaCl) in 86.4 mL of solution.
One of the lines of the hydrogen line spectrum has a wavelength of 434.1 nm. It is known that all of the visible lines of the hydrogen spectra result from an electron
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