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How many milliliters of magnesium metal, with a density of 1.74 g/mL, are needed to produce 102.3 grams of magnesium oxide in the single-replacement reaction below? Show all steps of your calculation as well as the final answer.
Determine the energy change associated with these changes in state: a. 138g of steam condenses,b. 261mg of solid mercury melts,c. 8.36g of rubbing alcohol freezes d. 52g of liquid methane boils
Aluminum reacts with chlorine gas to form aluminum chloride via the following reaction: \rm 2Al}+3Cl_2rightarrow2AlCl_3 What is the maximum mass of aluminum chloride that can be formed when reacting 26.0g of aluminum
When 16 mL of water at 19 C is combined with 15 mL of water at 59 C, what is the final temperature of the water?. The specific heat of water is 4.184 J/g/K and its density is 1.0 g/mL.
A wastewater solution has a concentration of 4.52e-2 M Ag ion. If you have 950,000 gallons of this waste solution, how many grams of solid MgCl2 need to be added to reduce the remaining dissolved Ag to a level of 5 ppb
calculate the pH and concentration of all species present assuming that the activity coefficients are equal to 1.0 for all species
write the net ionic equation, a solution of potassium dichromate is added to an acidified solution of iron II chloride
What total volume of ozone measured at a pressure of 24.0 and a temperature of 234 can be destroyed when all of the chlorine from 18.5 of goes through ten cycles of the above reactions
Calculate the number of grams of sulfuric acid present in the mixture after the reaction is complete.
Size of a hydrogen spherical balloon for lifting a payload, Determine the size of a spherical balloon filled with hydrogen at 30°C and atmospheric pressure for lifting 400Kg payload
a sample of H2O with a mass of 46.0 grams has a temperture of 100 c. how many joules energy are necessary to boil the water
Explain how the acid hydrolysis of starch differs from the enzyme catalyzed hydfolysis. Compare products as well as conditions of time and temperature
If 40.0 g of Cu is placed into 100.0 g of H20 at a temperature of 20.0*C and if the temperature of the water rises to 23.0*C, what was the temperature of the Cu
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