What is the volume of a sample of copper
What is the volume V of a sample of 4.30 mol of copper? The atomic mass of copper (Cu) is 63.5 g/mol, and the density of copper is 8.92 x 103 kg/m3.
Express your answer in cubic centimeters to 3 significant figures.
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Suppose you have a buffer at pH 5.0 that is 1.00M in HX and 1.00 M in X-, where HX is a weak acid with Ka = 1.0 x 10^(-5) M. Calculate the effects of adding 50ml of 1.0 M HCl to a 1 liter portion of this buffer and of adding 50 ml of 1.0 M NaOH to
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A student took 0.0040 moles of kyptonite metal and reactedit with water in a manner similiar to that used in this experiment.She then titrated the resulting solution and found that it required2.0 ml of 6.0 M HCl to react with the solution.
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Calculate the effectiveness of the heat exchanger if the direction of flow of one of the fluids is reversed with the same mass flow rates as before?
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If a child's achievement is below what would be expected given their level of intellectual functioning (as derived from an IQ test such as the WISC-IV)
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