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A box contains a mixture of small copper spheres as well as small lead spheres. The total volume of both metals is measured by the displacement of water to be 423cm3 as well as the total mass is 4.27kg. Explain what percentage of the spheres are copper?
1. the volume of an ideal gas is 2.06l and standardtemperature and pressure. caculate the volume at 1.75atm and
Write the names of the enzymes that are involved in the biosynthesis of RNA and indicate the specificity of each enzyme
How many moles of a reducing agent are used in a reaction containing 1.5L of this material which possesses a density of 0.8 and a molecular weight of 56
how many milliliters of o2 are consumed in the complete combustion of a sample of hexane c6h14 if the reaction produces
Find the equilibrium concentrations of \rm A and {\rm B} for a = 1 and b = 2. Assume that the initial concentration of \rm A is 1.0 {\rm M} and that no {\rm B} is present at the beginning of the reaction. kc=2.3
an old synthetic procedure starts by calling for fifteen kilo grams of sulfuric acid. if your largest reaction vessel
how much pv work is done if 88.0 grams of c 2h 4 ethylene and 120 grams of hydrochloric acid hcl are permitted to react
when 31g of phosphorus reacts with oxygen, 71g of an oxide phosphorus is the product. What mass of oxygen is needed to produce 13g of this product?
describe the errors made by the following students in making molar solutions.nbspjames needs a 0.600 m solution of kcl.
When equilibrium is reached at 700C, the total pressure of the system is found to be 4.00 atm. If the equilibrium constant Kp for this reaction is equal to 1.52,
The stratospheric ozone layer helps to protect us from harmful ultraviolet radiation. It does so by absorbing ultraviolet light and falling apart into an molecule and an oxygen atom, a process known as photodissociation.
biological organisms live at great depths in the ocean and they have adapted their bodies to survive at extreme
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