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A flask has a mass of 78.16g when empty and 593.56g when filled with water. When the same flask is filled with concentrated sulfuric acid, its mass is 1026.57g. Calculate the density of concentrated sulfuric acid. (Assume water has a density 1.000g cm^-3 at the temperature of the measurement.)
A sample of MgCl2 is known to be contaminated with NaCl. A 3.47-g portion of the sample is dissolved in water and treated with an excess of AgNO3 solution.
The dipole moment, meu, of HBr (a polar covalent molecule) is 0.82 D (debye), and its percent ionic character is 12.1%. Estimate the bond length of the H-Br bond in picometers.
Draw an example of the change in molar volume during a 1st and 2nd order phase transition vs. temperature.
what is the density of a block of marble that occupies 253 cm3 and has a mass of 752
a student ran the following reaction in the laboratory at 736 kn2g 3 h2g 2 nh3gwhen she introduced 3.63e-2 moles of
Find the solubility of AgI in 2.5 M NH3 (Ksp of AgI = 8.3x10^-17 and Kf of Ag(NH3)^2+ = 1.7X10^7)
Ammonium phosphate is an important ingredient in many fertilizers. It can be made by reacting phosphoric acid with ammonia . What mass of ammonia is consumed by the reaction of of phosphoric acid? Round your answer to significant digits.
with wet beriberi, peripheral vessels dilate and cardiac muscle looses its contractility. also, alpha-ketoglutarate is found in high concentrations. this is thought to be caused by
Write a chemical equation representing the second ionization energy for lithium. Use e- as the symbol for an electron.
Name the stereoisomers formed by oxidation of (S)-4-methylcyclohexene with osmium tetroxide.
There are conventions for naming and constructing the formulas for acids and bases just as there are for other types of compounds. There are 3 main rules for naming acids.
Calculate the molarity for: A.0.5g CO2 in 652 g of water. B. 56g of NH3 in 500 g of water. C. 3.21 g of NaOH in 3405 ml of water.
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