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Hydrochloric acid reacts with calcium to form hydrogen and calcium chloride. If 100 grams of hydrochloric acid reacts with 100 grams of calcium, what is the limiting reagent?
hydrochloric acidhydrogencalcium chloridecalciumnone of the above
Phosphorus pentachloride is used in the industrial preparation of organic phosphorus compounds. Equation 1 shows its preparation from PCl3 and Cl2. (1) PCl3(l) + Cl2(g) PCl5(s) Use equations 2 and 3 to calculate H°rxn of equation 1
a reaction is begun with a reaction mixture containing the following dye 1.0 x 10-4 m bleach 0.10 m when dye 8.0 x
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With respect to VSEPR theory, how does the number of electrons groups on the central atom determine the molecule's shape. How are the bond angles affected by the presence of non-bonding electrons and -bonds
a mixture of 0.140 moles of C is reacted with 0.117 moles O2 in a sealed, 10.0 L vessel at 500 K, producing a mixture of CO and CO2. the total pressure is 0.640 atm. What is the partial pressure of CO
percentage of calcium carbonate in the sampledissolving 3.00 g of an impure sample of calcium carbonate in hydrochloric
an oxygen tank kept at 20.0?c contains 28.0 moles of oxygen and the gauge reads 31.0 atm. after two weeks the gauge
What are the pH, pOH, hydroxide ion concentration, and hydronium ion concentration of a 0.014-M diprotic acid solution?
At noon on a clear day, sunlight reaches the earth\'s surface at Madison, Wisconsin, with an average power of approximately 5.00 kJ·s-1·m-2. If the sunlight consists of photons with an average wavelength of 510.0 nm
how many milliliters of h2o vapor measured at 291. degc and 724. torr are formed when 49.0 ml of nh3 at 815. torr and
In the laboratory a student combines 25.5 mL of a 0.203 M sodium nitrate solution with 24.3 mL of a 0.375 M manganese(II) nitrate solution.
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