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Nickel has a face-centered cubic unit cell. The density of nickel is 6.84 g/cm3. Calculate a value for the atomic radius of nickel. in picometers
You are given an open-ended mercury manometer and asked to determine the pressure in a pipleline that supplies feed gas to a reactor. However, when you connect the manometer to the pipeline, you noticed that the calibration markings in the leg tha..
Calcium phosphide reacts with water according to the equation. Using 84.0g of Ca ?P? and 36.0g of H?O, What volume of PH? will be produced at 273 K and a pressure of 1520 torr
Which of these names and formulae do NOT match correctly?
How many moles of oxygen are in a compressed cylinder that has a volume of 8.00 L at a pressure of 41.0 atm and at 25 degrees celcius?
Using an aqueous solution of Ba(NO3)2 the density of this solution is measured to be 3.640g/ml and this solution containing barium nitrate mole fraction of 0.01704. compute the molarity of this solution?
Heating a mixture of lumps and sulfur and zinc does not lead to reaction nearly as fast as heating a mixture of powdered sulfur and zinc. Explain.
3-nitrophthalic acid will be first converted into 3 nitrophthalhydrazide by reacting with 25% hydrazine. Reduction of the nitro group to an amino group with sodium hydrosulfite affords luminol.
In a candy factory, the nutty chocolate bars contain 22.0 by mass pecans. If 4.60 of pecans were used for candy last Tuesday, how many of nutty chocolate bars were made
Given: The density of titanium metal is 4.51 g/cm3 at 25 C. What mass of titanium displaces 125.0ml of water at 25 C
The reduced coenzymes generated by the citric acid cycle donate electrons in a series of reactions called the electron transport chain. The energy from the electron transport chain is used for oxidative phosphorylation.
the acidity of substituted benzenes and why it is so. Examples of molecules are p-nitrotoluene compared to m-nitrotoluene.
how many grams of dry need to be added to 2.30 of a 0.400 solution of ammonia to prepare a buffer solution that has a
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