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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)
Give the balanced equation for the reaction: formation of 1 mol nitrogen dioxide from its elements (heat is absorbed)
Explain why dimerization of the cyclopentadiene is the side reaction and discuss how to avoid this side reaction.
What volume (mL) of a concentrated solution of NaOH (6.00 M) must be diluted to 200. mL to make a 0.88 M NaOH solution
Three and one - third mol es of Cl2 (g) are now added , keeping P and T constant. Calculate the number of moles of Cl2 present when equilibrium is reestablished. Obtain also the ratio of the final to the original total volume.
If the ion of element X has a mass number of 230 and has 86 electrons, what is the identity of the element? How many neutrons does it have?
How much heat is absorbed by 15.5g of water when its temperature is increased 20.0C to 50.0C?The specific heat of water is 4.184J/(g.C)
Titrate with 0.1005 M NaOH and arrive at an endpoint at 24.20 ml. You know that at the final pH both protons have been titrated. What is the Molar Mass of the acid
Write net ionic equations for each of the precipitation reactions used to identify each of the cations in Group A (Al3+, Fe3+, and Mn2+) and B (Ba2+, Ca2+, and Mg2+).
A 0.100g of plant food was reacted and 0.963g of MgNH4PO4*6H2O was recovered. What is the mass% of P in the original sample?
What pH would you make the water layer in order to cause the acid to dissolve in the ether layer and the amine to dissolve in the water layer? d. How would you purify a mixture of benzoic acid, chlorobenzene, and cyclohexylamine?
What volume of an organic solvent must be used to effect 90% seperation in one extraction when only 2.7 g of a certain compound dissolves 100 ml of water? (K=15).
Put the following acids in the order of increasing acidity and please explain reasoning CCl3COOH, CH3COOH, CF3COOH
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