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Aqueous sulfuric acid will react with solid sodium hydroxide to produce aqueous sodium hydrogen sulfate and liquid water . Suppose 3.92 g of sulfuric acid is mixed with 2.22 g of sodium hydroxide. Calculate the minimum mass of sulfuric acid that could be left over by the reaction.
Iron has a density of 7.9 g/ cm3. What is the mass of a cube of iron with the length of one side equal to 55.0 mm.
What is the density of gallium in grams per cubic centimeter at 25 C if a 1.00 cube has a mass of 0.2133.
A graduated cylinder contains 129 mL of water. A 17.0 g piece of iron (density = 7.86 rm{g/cm^3}) and a 17.0 g piece of lead are added. What is the new water level in the cylinder?
Write down the balanced chemical equation when Fe 3 O 4 reacted with carbon monoxide and calculate mass of carbon dioxide that will be produced in this reaction if 234 g carbon monoxide is reacted with excess Fe 3 O 4 ?
Discuss the importance of economics as it relates to pollution prevention. Supple at least two seperate examples to augment your discussion.
Write a balanced nuclear equation for the alpha decay of each of the following radioactive isotopes.
Rate of reaction for 8H2S +4O2 -> 8H2O + S8, if started with 21.35g of H2S and 15.36g of O2. What is the limiting reactant and how much S8 can be produced.
Consider the dissolution of CaCl2. CaCl2(s) Ca2+(aq) + 2 Cl-(aq) ΔH = -81.5 kJ A 13.2 g sample of CaCl2 is dissolved in 106 g of water, with both substances at 25.0°C.
Calculate the molar mass of sucrose. How many mol sucrose did you start with in this lab?
In a calorimeter, 100 g of ice melts at 0oC. The enthalpy of fusion of the ice is 334 J/g. How much heat was absorbed.
Concetrated acedic acid is a Class II combustible liquid. What is the molecular weight of acetic acid that will form 2 moles of CO2 assuming complete combustion.
how many meters away is a cliff if an echo is heard one half second away? assume that sound ws traveled at 343 m/s on that day.
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