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One beaker contains 50.0 mL g of water at 22ºC, and a second beaker contains 75 mL of water at 53ºC, The water in the two beakers is mixed. What is the water final temperature? Assume water has a density of 1.0g / mL and specific heat capacity for water is 4.2 J/g K.
Identify the sets of quantum numbers that describe all the electrons in a neutral beryllium atom, \rm Be. Each set is ordered
How many grams of KCl are contained in 750.0 mL of a 0.250 Molarity solution
The vibrational frequency of the ICl molecule is 1.15 x 10^13 s^-1. For every million (1x10^6) molecules in the ground vibration state how many will be in the first excited vibrational state at temperature 300 K
Calculate the equilibrium concentration of each substance in the reaction. b.) Calculate the equilibrium constant for the reaction.
How many grams of solid barium sulfate form when 16.8 mL of 0.160 M barium chloride reacts with 65.1 mL of 0.055 M sodium sulfate. Aqueous sodium chloride is the other Product.
What product(s) are expected in the ethoxide-promoted ?-elimination reaction of 1-chloro-1-methylcyclohexane? Omit ions, salts, and ethanol from your response.
The HCl molecule has a bond length of 127 pm and has partial charges of (+)(-)0.177e. What is the dipole moment of the HCl molecule in units of Debye (D)
Why is a mass measurement of an object more important than the volume measurement of an object. and What does the range value of 0 mean
separate a mixture of alkanes. which hplc mode will you choose and why? consider normal-phased reverse-phased
An organic compound was synthesized & a sample of it was analyzed & found to contain only C, H, N, O, & Cl. It was observed that when a 0.150g sample of the compound was burned it produced 0.138g CO2 & 0.0556g H2O.
What minimum amount of AX(s) lattice energy might lead to compound formation if you predict that the following hypothetical ionic compound AX is unlikely to form. In this compound, A forms the A+ cation, and X forms the X anion.
15.0 grams of an unknown sugar was dissolved in water and the final volume of the solution was brought up to 1.00 L. The osmotic pressure of this solution was determined to be 2.44 atm at 25°C. Which of the sugars below was most likely the unknown..
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