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The density of copper is 8.94 g/cm3. Explain what is the mass in mg of cube of copper that measures 2.31 mm on each side?
When 3.00 g of methanol (CH3OH) is burned in the same calorimeter, the temperature increases by 19.96°C. Calculate the molar heat of combustion for methanol (enter in kJ).
A coffee can (with diameter of 6.0 inches, a height of 6.5 inches and a massof 256 g) has a 1 cm diameter hole drilled in the bottom of the can and another drilled in the side. The can is capped, inverted, and completely filled with methane
The energy for the process (H)+(energy) yields (H+)-(e-) is called the ionization energy of hydrogen. The experimentally determined value for the ionization energy of hydrogen is 1310 kJ/mol. How does this compare to your calculation
Define how the boiling points, melting points and densities are different for Butane and 2-methylpropane (isobutane)
The normal boiling point for acetone is 56.5°C. At an elevation of 5300 ft the atmospheric pressure is 630. torr.
Calculate how many grams of solid NaOH are needed to prepare 500mL NaOH solution with a concentration of 0.4M
Use the Heisenberg uncertainty principle to calculate the uncertainty (in meters) in the position of a honeybee weighing 0.67 and traveling at a velocity of 0.80 . Assume that the uncertainty in the velocity is 0.1. Express your answer using one s..
Classify the following pair of compounds as the same compound, enantiomers, diastereomers, constitutional isomers, or not isomeric. Also, select the correct IUPAC name
53.5 g of an ideal gas of molecular weight = 10.5 g/mol is confined at a pressure of 50 kPa. The density of the gas is 0.164 g/L. Compute the temperature of the gas in degrees Celsius.
what is the difference between dipole or nonpolar molecular? what is the bond angles of a triagonal piramidal a bent
At a definite temperature the pH of a neutral solution is 7.82. Explain what is the value of Kw at that temperature. State respond numerically using two significant figures
Given mass of a gas 0.26g, pressure is 763mmHg and volume of 147mL.by using an ideal gas law calculate the molar mass of the gas
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