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Sodium bromide, used to produce silver bromide for use in photography, can be prepared as shown in the following equations. How many kilograms of iron are consumed to produce 4.15 × 104 kg NaBr? Fe + Br2 ? FeBr2 FeBr2 + Br2 ? Fe3Br8 (not balanced) Fe3Br8 + Na2CO3 ? NaBr + CO2 + Fe3O4 (not balanced)
Sodium azide (NaN3) is sometimes added to water to kill bacteria. Calculate the concentration of all species in a 0.010 M solution of NaN3. The Ka value for hydrazoic acid (HN3) is 1.9 * 10-5.
The compound trichlorosilane (SiCl3H) has a vapor pressure of 0.258 atm at -2 degrees celsius. What is the normal boiling point ( the molar heat of vaporization of Trichlorosilane is 28.8 kj/mol)
lead poisoning in children used to be treated with intravenous injections of EDTA. If the concentration fo EDTA in the blood of a patient is 2.55 x 10^-8 M and the formation constant for the complex, [Pb(EDTA)]2-, is 2.00 x 10^18
start with 4-cyclopentylphenol and react with NaOH, CH3I, NBS, heat show each step to get the final product.
Consider the reaction Cu2S + O2 → 2Cu + SO2. If 55.0 grams of Cu2S is heated in excess O2, what is the mass of Cu that can be produced?
How many molecules of actin can a muscle cell hold. Given: cell is spherical and has no other components with a diameter of 50 micrometers. Diameter of actin is 3.8 nanometers.
Treatment with cyanogen bromide, which cleaves at M, resulted in two fragments: a pentapeptide containing two K residues and a tripeptide containing V, G, and A. (The residues are not listed in any particular order.)
A gaseous product is created in the two different reactions. If Sodium hydroxide is added to a saturated solution of ammonium carbonate, which gas is produced
Fully explain why this series of reaction will produce the 3,5-dibromotoluene and direct bromination of toluene produces the 2,4-dibromotoluene.
What is the value of x in the formula for the hydrate? (hint: remember that x represents the ratio of moles of H2O to moles of hydrate compound, and that moles of hydrate compound equals the moles of anhydrous compound)
What is the latent heat of vaporization Tsat in kJ/mol? (Answers are 1366 kW and 28.4 kJ/mol) Please show work for good rating.
Understanding the high-temperature behavior of nitrogen oxides is essential for controlling pollution generated in automobile engines. The decomposition of nitric oxide (NO) to N2 and O2 is second order with a rate constant of 0.0796 M?
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