Find out the final temperature of the mixture
If 50.0 of ethanol (density 0.789g/mL) initially at 6.0 is mixed with 50.0 of water initially at 28.2 in an insulated beaker, and assuming that no heat is lost, what is the final temperature of the mixture?
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A 55.0-L steel tank at 20.0°C contains acetylene gas, C2H2, at a pressure of 1.39 atm. Assuming ideal behavior, how many grams of acetylene are in the tank?
If the container is compressed to 2.90 and the temperature is increased to 35, what is the new pressure, inside the container? Assume no change in the amount of gas inside the cylinder.
Calculate the force on the piston if the pressure in the gas is measured to be. Write your answer in units of kilonewtons. Be sure your answer has the correct number of significant digits.
If the methane contained in 4.00 L of a saturated solution at 25 ^circ rm C was extracted and placed under STP conditions, what volume would it occupy?
A tensile member of 2024-0 aluminum alloy used for aircraft fuselage had an original cross-sectional area of 4.0square inches. If the strain hardening exponent, n=0.21 and the strength coefficient Q=56,000 psi.
What is the freezing-point depression of the solvent if the freezing point constant is -1.86 °C/m? Show all of the work needed to solve this problem.
A 322 mL container holds 0.146 g of Ne and an unknown amount of Ar at 35°C and a total pressure of 635 mmHg. Calculate the moles of Ar present.
If 12.5 g of iron(III) oxide (rust) are pro- duced from 8.74 g of iron, how much oxygen gas is needed for this reaction?
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