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Question- How many ounces of mercury are in 1.0 cubic meters of mercury? Given: the density of mercury is 13.55g/cm3 and 1 ounce =28.35g
Anyone can tell me how to solve it step by step so that I will be able to understand what is going on?
A student suspected that an unknown was undergoing a chemical change at its melting point. Suggest a simple method for testing the hypothesis.
A problem occurred and the mixture was acidified to a pH of 2 with HCl and there was no precipitate. Explain what went wrong and write an equation for the reaction that caused the problem. How the product be recovered
WHen 1.187g of a metallic oxide is reduced with excess hydrogen, 1.054g of the metal is produced. What is the metallic oxide
write a balance chemical equation for the combustion of 1 mol glycerin, and calculate delta H for this reaction at 298K if burning 1 mol glycerin has a delta E of -54.6 kj
when carbon is burned in the presence on oxygen the carbon and oxygen combine to produce carbon dioxide. if you start
A certain microwave delivers 750. watts (J/s) of power to a coffee cup containing 50.0 g of H2O at 25 degrees C. if the wavelength of microwave in oven is 9,75 cm how long does it take and how many photons must be absorbed to make H2O boil
A 550 mL volume of hydrogen chloride gas, HCl, is collcted at 27 degrees C and 790 mm Hg. What volume will it occupy at STP?
A sample of tris(hyroxymethyl) aminomethane (H2NC(CH2OH)3), which is a base, with a mass of 0.5875 g is dissolved in water as well as used to standardize a solution of hydrobromic acid.
if your spectrophotometer can measure absorbance up to 1.5, what is the max concentration of nadh that your can measure
A gaseous reaction occurs at a constant pressure of 50atm and releases 61.5kJ of heat. Before the reaction, the volume of the system was 7.00L. After the reaction, the volume of the system was 2.60L.
Problem- Compositional analysis of a certain lipid shows that it has exactly one mole of fatty acid per mole of inorganic phosphate. Which of the lipids listed below is the lipid with this composition?
If each Halloween snack-sized candy bar is 15 g, how many Calories are consumed once you polish off a handful (6 candy bars) of Trick-or-Treating loot? (1 Calorie = 1 kcal)
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