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A marine biologist is preparing a deep-sea submersible for a dive. The sub stores breathing air under high pressure in a spherical air tank that measures 78.0 cm wide. The biologist estimates she will need 5100 L of air for the dive. Calculate the pressure to which this volume of air must be compressed in order to fit into the air tank. Write your answer in atmospheres.
Cyclic Alkyne reaction with KMnO4 and O3, Molecule 1: 5 carbon ring, carbon 1 has a carbon attached which also is triple bonded to another carbon (this end carbon just has a H attached.
Which of the following reactions will have the greatest rate at 298 K. Assume the frequency factor A is the same for all reactions. EXPLAIN YOUR ANSWER. No credit given if no explanation.
How much ammonium hydroxide is needed to react completely with 75.0g of copper (2) nitrate in a double replacement reaction.
The volume of sea water displaced by the plastic block is 2.37 cm3. Assuming the density of the sea water is 1.025 g/mL, what is the density of the plastic?
Suppose you carried out two reactions in sequence. In the first reaction you hydrated 1-butene and in the second reaction you dehydrated the products of the of the first reaction. Which of the following would not be found in the equilibrium mixtur..
4HCl + MnO2 = MnCl2 + 2H2O + Cl2 When 1.22 mol of HCl reacts with excess MnO2, how many moles of Cl2 form?
How much energy in joules is required to heat 295 mL of coffee from 25.0 0C to 62.0 0C? Assume that the coffee has the same density, 0.997 g/mL, and specific heat capacity, 4.184 rm J/(gc. K) .
Copper is elctroplated from CuSO4 solution. A constant current of 4.00 amp is applied by an external power supply. How long will it take to deposit 1.00x10^2 g of Cu? The atomic mass of copper is 63.546.
The enthalpy change for the reaction below at 25oC is -1,850 kJ (per mole of C9H20). What is the internal energy change for the reaction at 25oC
What range of magnetic field strength would be required to cover the mass range between 16 and 625, for singly charged ions, if the accelerating voltage is held constant?
Hydrogenation reactions are used to add hydrogen across double bonds in hydrocarbons and other organic compounds. Use average bond energies to calculate DELTA Hrxn for the following hydrogenation reaction
What are the steps to follow when calculating the percent ionization of acid in a buffer solution. example) percent ionization of .20 M benzoic acid in pure water and percent ionization of benzoic acid in a solution containing
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