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If an aircraft fuselage has a diameter of 4 m and material thickness, how will its ability to resist shear stress be compared against a fuselage of 8 m with the same thickness?
Problem- A 5.50 L of sample of gas is cooled from 91 degrees Celsius to a temperature at which its volume is 4.10 L. What is this new temperature. Assume no change in pressure of the gas.
A solution containing sulfide ions is added to selectively precipitate one of the metal ions from solution. At what concentration of sulfide ion will a precipitate begin to form? What is the identity of the precipitate?
Calculate K for the reaction between one mole of dinitrogen oxide gas and oxygen gas to give dinitrogen tetroxide gas
Pick 10 polyatomic ions. Depict Lewis structures for each. Include important resonance forms with formal charges.
When sodium carbonate dissolves in water, the carbonate ion CO3^2- acts as a base. write a balanced equation for the reaction of the carbonate ion with water.
how much heat is needed to make 220.6g of ice at -10 degrees celsius to steam at 110 degrees celsius?how much energy is
the osmotic pressure at 20.0 degrees C is 3.62x 10^-3 atm. What is the molar mass of the protein hemoglobin?
What is the limiting reactant when ammonium chloride is synthesized from 1.0 atm of hydrogen chloride gas and 1.5 atm of ammonia gas at a constant temperature and volume
Consider the following heterogeneous equilibrium: CCl4(g) ñ C(s) + 2Cl2(g) . Kp = 0.80 atm for this reaction at some elevated temperature. Calculate the initial partial pressure of CCl4(g)
Calculate the pH of a solution resulting from the addition of 10.0 mL of 0.10 M NaOH to 50.0 mL of 0.10 M benzoic acid (Ka = 6.5 x 10-5).
Which of the following methods of preparation of amines results in an amine with one less carbon atom than the starting material
Given an equation and an enthalpy change, how much heat is involved when a certain amount of an element
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