What is its temperature change
If 94 of heat are added to a pure gold coin with a mass of 16 , what is its temperature change? Specific heat capacity of gold is 0.128 .
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What is the percent yield if 4.65g of copper is produced when 1.87g of aluminum reacts with an excess of copper(II) sulfate?
Explain the order of elution you observed while performing the gas chromatography for this experiment. What property of the product molecules seems most important in determining relative retention times?
Imagine that you dissolve 10.0g of a mixture of NaNO3 and KF in 100.0g of water and find that the temperature rises by 2.00 degrees C. Using the following data, calculate the mass of each compound in the original mixture.
What are the freezing point and boiling point of an aquenous solution of 15.5g glucose (C6H12O6) dissolved in 150 g of water?
The rate-determining step is the decomposition of the intermediate enzyme-substrate complex (ES) to prodcuts (P). Under these conditions, show that the overall rate of product formation is
A specimen of iron ore weighing 0.500g was dissolved in dilute sulphuric acid. The solution was titrated with 0.0200M potassium permanganate, 6.25cm3 being required. The solution was reduced electrochemically (i.e. all the iron present was convert
Even with a drying tube, leaving phenylmagnesium bromide exposed to air will eventually lead to its decomposition. Why? What is the product of this decomposition pathway?
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