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A mixture is made by mixing 40.7 mL 0.000200 M HCl with 38.3 mL of 0.000180 M NaOH. Based upon these values, the mixture's pH will be
Interhalogens are covalent compounds when one halogen is bonded with another halogen. When 3.299 of iodine reacts with fluorine, 5.768g of IFx is formed. What is the value of x in product formula (IFx)?
Draw the lewis structures for NO2Cl and NO3Cl include lone pairs of electrons, resonance structures, and formal charges (minimized)
Suggest simple laboratory tests you could use to distinguish acetone, carbon tetrachloride, cyclohexane, ethyl ether and ethanol.
Beta-carotene is organge. This means it absorbs blue lgiht. It has conjguated systme which allows the pi-electrons to delocalize over teh length of the molecule.
At what pH will a solution 0.15 M Cu2+ begin to precipitate as Cu(OH)2? The Ksp for Cu(OH)2 is 1.6 × 10-19.
A sample of drinking water collected from a suburban Boston municipal water system in 2002 contained 0.45 pCi/L of radon. Assume that this level of radioactivity was due to the decay
Many homeowners treat their lawns with CaCO3(s) to reduce the acidity of the soil. Write a net ionic equation for the reaction of CaCO3(s) With a strong acid.
What is the molality of a solution of glucose that contains 48.0 g of C6H12O6 dissolved in 410.0 g of water? Use molar masses with at least as many significant figures as the data given.
Equilibrium shift of the reaction and the pH of solution, 1. The pressure on each of the following systems is decreased from 5 atm to 1 atm. Which way does the equilibrium shift in each of the following systems?
The standard change in enthalpy at 142oC for the following two reactions are, respectively, -23.44 and 94.67 kJ. [1] 4 X(s) + 3 O2(g) + 2 H2O(l) ? 4 HXO2(g)
what volume of a 15.0% by mass NaOH solution, which has a density of 1.116 g/mL, should be used to make 5.3 L of an NaOH solution with a pH of 10.0
a .50 g sample of vegetable oil is placed in a calorimeter when the sample is burned 18.9kJ are given off what is the caloric value of the oil.
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