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Water is 11.2% hydrogen and 88.8% oxygen by weight. If 75.5 grams of hydrogen are produced by decomposing water, how many grams of water were decomposed and how many grams of oxygen were produced? What is the chemical equation for this question
consider the reaction using equal volumes of 10.0ml solutions of 0.25M calcium chloride and 0.25 M silver nitrate poured into a test tube. write the balanced equation, net ionic equation, identify the precipitate, identify the supernate and predic..
In the following reaction, C2H5OH + 3O2 → 2CO2 + 3H2O, if 54 grams of water is produced, how many grams of C2H5OH is needed for the reaction.
A cylinder with a moveable piston contains 0.90 mol of gas and has a volume of 342 mL. What will its volume be if an additional 0.22 of gas is added to the cylinder?
Indicate the direction of polarity of each of the following covalent bonds by dragging the appropriate delta notation to each end of the bond.
calculate the heat energy released when 15.1g of liquid mercury at 25 degrees C is converted to solid mercury at its melting point
Calculate the transformation rate for the austenite-to-pearlite transformation at 650 °C and at 600 °C. Show the relationship(s) you used to arrive at your answers.
"Crossed" or "mixed" aldol condensations are practical for synthesis, if one of the aldehydes (or ketones) has no alpha-hydrogen atoms. Explain.
A reaction of one liter of chlorine gas with 3 liters of fluorine gas yields 2 liters of a gaseous product. All gas volumes are at the same temperature and pressure. What is the formula of the gaseous product?
Show step-by-step mechanisms to produce the indicated polymeric substrate products. include an appropriate termination step where needed.
Determine How many moles each of Na+ and Cl- are in 0.800 L A physiological saline solution contains 172mEq/ L each of Na+ and Cl-of the saline solution?
Why are active firefighters likely to experience the adverse health effects from inhaling 300 ppm of carbon monoxide faster than nonactive off-duty firefighters
What food contains an antagonist to biotin such that the biotin will be bound in the gut and not absorbed?
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