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A solid aluminum sphere has a mass of 85 g. Use the density of aluminum (2.7 g/cm3) to find the radius of the aluminum sphere in inches. Provide only numerical value (no units).
an underground iron pipe in damp soil is to be protected from rusting. which of the following techniques would not
A mixture contains both potassium phosphate and potassium chloride. What is the percentage of potassium phosphate in this mixture if reaction of 0.401g of this mixture with excess copper (II) chloride yields 0.213g of copper (II) phosphate?
2Al(s)+3H2SO4(aq) -> Al2(SO4)3(aq)+3H2(g) Suppose you wanted to dissolve an aluminum block with a mass of 15.5g. What minimum mass of H2SO4(in g) would you need?
a 4.75 g sample of aluminum pellets specific heat capacity 0.89 j degc-1 g-1 and a 10.00 g sample of iron pellets
In the study of a second order gas phase reaction, it was found that the molar concentration fell from 200 mmol L-1 to 80 mmol L-1 in 1.20x104 seconds. What is the rate constant of the reaction
The goal of the recrystallization procedure is to obtain purified material with a maximum recovery. For each of the following situations, explain why this goal would be adversely affected.
what is the concentration of a nitric acid solution if a 10.00ml sample of the acid reqires 31.25ml of 0.135m koh for neutralization.
Calculate the normal boiling point of Pcl(l). Determine the vapour pressure of PCl3 (l) at 298K.
Which one of the following pairs is a conjugate acid-base pair?
A sample of zinc weighing 2.077 g is dissolved in 2.00 M HCl. What (minimum) volume of HCl is required to dissolve the Zn? (Zn dissolves in HCl to form Zn2+
Two manufacturing plants need 1.0e4 kg of Al each week. One plant produces the Al from bauxite (Al2O3), whereas the other gets its Al from recycled cans.
F the volume of ocean water (calculated above) contains 3.3 percent sodium chloride ("salt") by mass and the density of the water is 1.76 g/mL, calculate the total mass of sodium chloride. (1 ton = 2000 lb, 1 lb = 453.6 g)
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