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How would I find or calculate the density of a solution given that it is comprised of ethanol with a density of 0.789 g/mL and water with a density of 0.998 g/mL?
Two Aqueous Sulfuric Acid solutions containing 20 wt % H2SO4 (SG=1.139) and 60 wt % H2SO4 (SG=1.498) are mixed to form a 4.00 M H2SO4 solution (SG=1.213). What feed rate of the 60% solution (L/h) would be required to produce
The specific heat of mercury metal is 0.138J/gK. How much heat, in joules, is required to heat a 71.5 gram sample of mercury from -6oC to 54.4oC? Enter your answer in scientific notation with no units.
Dolomite is a mineral consisting of calcium carbonate (CaCO3) and magnesium carbonate (MgCO3). When dolomite is strongly heated, its carbonates decompose to their oxides (CaO and MgO) and carbon dioxide is expelled.
A student wishes to establish experimentally the number of fungal particles in a fixed volume of air. He uses a liquid medium suitable for the growth of most fungi and exposes the liquid to air in a rectangular container of dimensions 15 cm × 15 c..
Consider the unbalanced equation: C5H12(l) +O2(g) --> CO2(g) +H2O(l) if 25.2 grams of pentane (C5H12) are burned in excess oxygen, how many grams of H2O will be produced?
The solid RbBr, extracted from the reaction mixture and purified has a mass of 7.32 g. What is the percent yield of the product
Calculate the entropy change. What would be the value of S if the heating were carried out irreversibly?
What is the Gibbs free energy for this reaction at 5546 ? Assume that and do not change with temperature. At what temperature Teq do the forward and reverse corrosion reactions occur in equilibrium
the principal anion and cation in lake huron are hydrogen carbonate and calcium. the concentration of hydrogen
The percent ionic character/percent covalent character varies from compound to compound. Choose the compound with the highest covalent character and the one with the highest ionic character from PbBr2 MgCl2 CO2 and O3.
Problem- A 25.0-mL solution of 0.0700 M EDTA was added to a 31.0-mL sample containing an unknown concentration of V3. All V3 present formed a complex, leaving excess EDTA in solution. This solution was back-titrated with a 0.0450 M Ga3 solution un..
For the following reaction, Kc = 0.513 at 500 K . N2O4(g) 2NO2 (g)
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