Unbalanced formula equation
Solid silicon and solid magnesium chloride form when silicon tetrachloride gas reacts with magnesium metal. Write a word equation and an unbalanced formula equation. Include all of the appropriate notations .
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What does it mean to say that the ions of an electrolyte behave independently of one another when the electrolyte is dissolved in water? Is it something about the compound splitting?
Determine the molecular formula of a compound which has a empirical formula of CH3 and a molar mass of 60.0 g/mol.
A 0.7549g sample of a pure hydrocarbon burns in oxygen gas to produce 1.9061g of carbon dioxide and 0.3370g of water. What is the empirical formula for the compound?
For the reaction represented by the equation Cl2 + 2KBr ® 2KCl + Br2, calculate the percentage yield if 200. g of chlorine react with excess potassium bromide to produce 410. g of bromine.
No crystals form on cooling, and so the student pours out the solution and starts the experiment over. Have the carbon, hydrogen, nitrogen, and oxygen atoms of the acetaminophen been destroyed?
after 50 g of certain substance is heated in air until no further reaction occurs, 39.9 g of metal is left. is the reactant an element or a compound? explain
Succinctly introduce the following five environments of the company.. On the basis of current news and information, analyze in detail two of the above five environments that will likely have the greatest impact on your selected organization.
The mass of a cube of iron is 324 g. Iron has a density of 7.87 g/cm3. What is the mass of a cube of lead that has the same dimensions?
In Europe, gasoline efficiency is measured in km/L . If your car's gas mileage is 30.0 miles/gal, how many liters of gasoline would you need to buy to complete a 284- km trip in Europe? Use the following conversions:
When 0.78 g of an unknown gas in contained solely in a 560 mL container, the pressure is 780 Torr at 5 degrees Celcius. What is the molar mass of the gas in grams/mole?
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