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Orono Corp.'s sales last year were $400,000, its operating costs were $362,500, and its interest charges were $12,500. What was the firm's times interest earned (TIE) ratio?
What are the initial and final pH's? What would be the pH if the same amount of HCl were added to the 125 mL of pure water? The Ka of acetic acid is 1.8*10^-5
A health-food store has a large display of bracelets made of copper metal. Some people claim that wearing such a bracelet will protect the wearer.
The empirical formula is NO2. If the molar mass is 92g/mol give the molecular formula. Please explain.
A 4.00g sample of an ideal gas occupies 1.24L at 23 degrees Celcius and 1.12bar. What will be its volume at 14 degrees Celcius and 1.50bar?
For the reaction 2CH4(g)?C2H2(g)+3H2(g) K = 0.170 at 1725 °C. What is Kp for the reaction at this temperature? Express your answer numerically.
A metallic solid with atoms in a face-centered cubic unit cell with an edge length of 385 pm has a density of 6.84 g/cm3. Calculate the atomic radius of the metal.
We will consider climate, weather, ocean circulation and variations in solar radiation. For starters, let's consider the Earth's rotational axis.
statements is true concerning the applicability of the E1, E2, SN1, and SN2 mechanisms to reactions
Compute the pH of a solution containing an amphetamine concentration of 250mg/L .Amphetamine is a weak base with a KbP of 4.2.
aluminum oxide used as an adsorbent or a catalyst for organic reactions forms when aluminum reacts with oxygen.4als
octane gas reacts wuth oxygen to form carbon dioxide gas and water as a gas. write balanced equation. how many grams of
Draw the structures of the two carbocation intermediates that might form during the reaction of the alkene (below) with HCl. If the two carbocations differ in stability,
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