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A graduated cylinder contains 133 of water. A 10.0 piece of iron (density = 7.86 ) and a 16.0 piece of lead are added. What is the new water level in the cylinder?
What volume will carbon dioxide originally 30.0 mL at 27°C have at 77°C
Why is the intercept of a calibration curve of absorbance vs concentration not zero?
A solution has a volume of 2.0 L and contains 36.0 g of glucose. If the molar mass of glucose is 180g/mol, what is the molarity of the solution? Answer must be expressed in dimension analysis.
The figure-8 bond orbitals around the carbon and oxygen atoms actually extend to infinity but do have two overlapping areas. C)This bond is the result of the interaction of an unpaired carbon electron in the 2s orbital and an unpaired oxygen elect..
Determine the final concentration and Determine What mass of Ar is needed to exert half the pressure (at the same conditions of volume and temperature)?
Suppose that coal of density 1.5 g/cm3 is pure carbon. (It is, in fact, much more com- plicated, but this is a reasonable ?rst ap proximation.)
A sample of gas has a volume of 2 liters at 40 degrees celsius. what volume will the gas occupy at 0 degree celsius.
Find the molar mass of the compound. The reezing point of benzene is 5.49 degree celcius.
How many moles are present of an ideal gas at the following conditions: 1.0 atm, 25.00C
a sample of nitrogen gas occupies 1.55 L at 27.0 C and 1.00 atm pressure. What will the volume be -100 C and the same pressure?
In the following experiment, the water in the glass is stirred by slowly lowering a weight (m=3kg) through a series of pulleys. If the 3kg weight is lowered 10m, the stirrer spins, but eventually all of the kinetic energy of the stirrer is turned ..
when 0.120 mol of carbonis burned in a closed vessel with 6.90g of oxygen. how many grams of carbon dioxide can form??
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