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Consider the needs of a blacksmith. As a smith crafts a wall hook or kitchen knife from iron, what properties are likely most important?
What properties give the product value? (if the metal were different in this way, it would not work for the intended purpose) What properties make the process possible? (if the metal were different in this way, the smith could not make the product)
If 156 mL of wet H2 is collected over water at 24C and a barometric pressure of 736 torr, how many grams of Zn have been consumed?
an unknown organic compound is mixed with 0.5190 g of naphthalene crystals to give a mixture having a total mass of
Find the heat of combustion in kJ/g for each gas. These values are valid at 25°C, where the water produced by the reaction is in the liquid state.
A typical automobile gets 30 miles per gallon of gas and drives 12,000 miles every year. Assuming that octane (C8H18, density 0.7025 g cm-3) is a principal component of gasoline
consider a major oil spill in a lake a prototyperelated to alaska oil spill few years ago and many subsequentspills.
what is the percent yield of a reaction in which 228 g phosphorus trichloride reacts with excess water to form aqueous
Explain why bromobenzene is unreactive to both sodium iodide in acetone and silver nitrate in ethaol, while benzyl chloride is reactive
If preparing 4-cyclohexene-trans-1, 2-dicarboxyclic acid anhydride, define how many lines would you expect to see in the 13 CNMR spectrums
Calculate the total 2017 tax liability for a surviving spouse with one dependent child with a gross income of $49660, no salary reductions for employer provided
process it is given that Rubidium has a heat of vaporization =69.0 kJ/mol at its boiling pt= (686°C). Compute ΔS for this process?
What is the hydronium ion concentration in a collation prepared by mixing 50.00mL of 0.10M HCN with 50.00mL of 0.030M NaCN. Assume that the volumes of the solutions are additive and that the Ka= 4.9*10^-10.
The student uses poor lab practice by writing down the mass of his unknown sample on a piece of paper towel and then copies down the value incorrectly onto his data page. The actual mass of the sample was 0.2145g. He mistakenly wrote down 0.1245g,..
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