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Calculate the number of atoms per cubic meter in aluminum. The density and atomic weight of aluminum are 2.70 g/cm3 and 26.98 g/mol respectively. Assume that Avogadro's number is 6.02 x 1023 atoms/mol.
orbitals in the HCl molecule, taking ?= -1.0 eV and the ionization of energy of atomic chlorine as 13.1 eV.
What is the percent yield of a reaction in which 238 g phosphorus trichloride reacts with excess water to form 143 g HCl and aqueous phosphorus acid (H3PO3)?
How do cells maintain a high regulation of cometing anabolic pathways, especially using glycolysis and gluconeogenesis
What is the molarity of the HCl solution if 310mL of the HCl solution reacts with magnesium to produce 5.40L of H2 gas measured at STP
When an ion-selective electrode for X was immersed in 0.0670 M XCl, the measured potential was 0.0250 V. What is the concentration of X when the potential is 0.0400 V
A helium-filled balloon has a volume of 2.75 L at 17 C. The volume of the balloon decreases to 2.36 L after it is placed outside on a cold day. What is the outside temperature in K?
What you observed upon the addition of NH3(aq) to magnesium chloride solution / what species are present in the test tube?and what happened when we add NH4Cl? Explain this observation with respect to the equilibrium reactions that exist in the test..
vaporization of water into air in a wetted-wall column the following data were obtained tube diameter 1.46 cm
Calculate the net charge of Aspartic Acid. Its given that Aspartic acid has a pK1 COOH at 1.99 and also a pK2 NH3 group at 9.90. PKr Side Chain is 3.90 (COOH) How do i find the net charge?
This strontium isotope is radioactive, with a half-life of 28.1 yr. Calculate how long it will take for 0.890 g of the isotope to be reduced to 0.250 g by decay.
Imagine that you have a 5.50 gas tank and a 4.00 gas tank. You need to fill one tank with oxygen and the other with acetylene to use in conjunction with your welding torch.
you have pure beta-d-glucopyranose of 100 grams nearly it was dissolved in an ethanolwater combination with the
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