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The density of copper is 8.92 g/ml. If a 10.00 g piece of copper is placed in a graduated cylinder that contains 15.0 ml of water, what is the total volume occupied by the metal and the water in the graduated cylinder? 2.How could the density of a substance that was soluble in water, be determined?
An alloy of iron contains 75.0% iron and 25.0% other elements. How many grams of iron are present in 150. g of the alloy?
Define Ideal gas law, Calculate the free energy of mixing when 1 mole of liquid A is mixed with 4 moles of liquid B at 25 degrees C to form an ideal solution. What is the change in chemical potential of component A?
What types of limitations and obstacles must any plausible origin of life scenario overcome, and why did Crick believe life couldn't have formed on Earth?
Need help figuring out the proper steps on how to solve -What volume of 1.25M HCl in liters is needed to react completely
If 5.68 g of Cu was added to 3.18 g of S8, How much copper (I) sulfide would be produced?
Calculate: Solution Density Mass fraction and % (sodium acetate) Mole fraction (sodium acetate) Molarity molality molality of solute particles
Heated and allowed to expand against a constant pressure of 1.20 atm until its volume reaches twenty eight Litres. Now determine Which of the given data is correct?
What is the free energy change, ?G°, for the equilibrium between hydrogen iodide, hydrogen, and iodine at 453°C? Kc = 0.020
The dipole moment (h-BR) of (a polar covalent molecule) is 0.82 (debye), and its percent ionic character is 12.1. Estimate the bond length of the bond in picometers.
What will be the equilibrium concentration of [H2O] ? What will be the equilibrium concentration of [CO2]? What will be the equilibrium concentration of [H2]?
the half life increased from 2.0 min to 4.0 min at 25C. Calculate the the order of the reaction and the rate constant.
An X-ray photon of wavelength 0.976 strikes a surface. The emitted electron has a kinetic energy of 958 eV. What is the binding energy of the electron in?
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