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While an ion-selective electrode for X was immersed in 0.0200 M XCl the measured potential was 0.0200 V. Explain what is the concentration of X when the potential is 0.0350 V? Presume that the electrode follows the Nernst equation the temperature is at 25°C as well as that the activity coefficient of X is 1.
A sample of gas has a volume of 1.55 L at 35 °C and 1.05 atm. What is the pressure (in torr) if the volume changes to 1.38 L and temperature to -28 °C.
A chemical process requires 8.700 g-mol of calcium sulfate (CaSO4) for a reaction. How many grams are in 8.700 g-mol of calium sulfate
A certain pesticide is fatal to fish fingerlings at a level of 0.50 parts per million in water. A leaking metal can containing 5.00 kg of the pesticide was dumped into a stream with flow of 10.0 L/sec moving at 1 km/hr.
Classify each of the following bonds as nonpolar covalent, polar covalent, of ionic. If a bond is polar covalent, identify the atom that has the partial negative charge and the atom that has the partial positive charge
A certain gaseous oxide of sulfur has an effusion rate that is 0.707 times the effusion rate of oxygen gas. What is the most likely molecular
the 1918 influenza epidemic was the worst one on record. people infected early in the epidemic had a mild flu while
A piece of dry ice, solid CO2, weighing 10.0 g is placed in an evacuated 0.800 L bottle at 550 degrees Celsius. The bottle is capped, and the dry ice changes to gas. What is the final pressure inside the bottle
Calculate(a) the molar concentration of the ammonia and (b) the mass/mass % concentration of ammonia (17.04g/mol). given a solution density of 0.990 g/mL
Explain what is the relationship between standard free energy, the value of the equilibrium constant, K and the product or reactant favorability at equilibrium.
What is the relationship between the products formed when (R)-3-methyl-1-pentene is reacted with HBr? Question 15 options: Constitutional isomers Diastereomers Enantiomers Meso compound
NaOH(aq) is a base. Please write a chemical equation showing how it is a base according to the Arrhenius definition. The response has to be in the form of a balanced chemical equation with all phases included
Data for the decomposition of hydrogen peroxide at some set temperature T is include below. The rate law depends only on the concentration of H2O2.
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