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Fe2O3 + 2Al -----> 2Fe + Al2O3
What masses of iron(III) oxide and aluminum must be used to produce 15.0 g of iron? What is the mass of aluminum oxide produced?
Draw on a P-V diagram the following processes. Label accurately each point in the four steps of the cycle using p,V,T for variables e.g. Va. The working substance is a perfect gas. Start from A. Show direction of change using arrow heads.
Determine the hybridization about each interior atom in the following structure. Sketch the 3 dimensional structure and label the interior atoms with their corresponding hybridization. CH2CHCCCH3
Two future experiments are the syntheses of phenacetin and dibenzalacetone. Which, if any, of the qualitative tests performed in this lab could be used to determine of the presence of either reactants
A particular reaction has a ?Ho value of -118 kJ and ?So of 47 J/mol K at 298 K. Calculate ?Go at 349 K in kJ, assuming that ?Ho and ?So hardly change with temperature
Based on formal charges, which statement about the best Lewis structure of a molecule composed of one atom each of N, S, and Cl
Also calculate the pressure in atmospheres using the van der Waals equation. For N2, a=1.35 (L^2?atm)/mol^2, and b=0.0387 L/mol.
a sample of sodium reacts completely with 0.142 kg of chlorine forming 234 g of sodium chloride. what mass of sodium
What is the minimum mass of each reactant necessary to produce 200 g of sulfuric acid in nthe following reaction?
Find ratio of the atomic mass of Silicon to Hydrogen if every 100g of SiH4 contains 87.45g of Si and 12.55g of H.
Which one of the following is the highest temperature?
A11.6 g sample of a certain gas was introduced into a constant volume container at 25 °C. if the container were heated to 175 °C, how many grams of gas must be vented from the container to keep the pressure of the gas constant
How density affect if some of the water in the graduated cylinder splashes out when the sample is dropped into the cylinder?
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