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1- Identify the nuclide produced when americium-241 decays by alpha emission:241 / 95 Am→ 4 / 2 He + ? Express your answer as an isotope using prescripts.
2- Identify the nuclide produced when carbon-14 decays by beta emission:14 / 6 C→ 0 /-1 e + ? Express your answer as an isotope using prescripts.
3- Identify the nuclide produced when fluorine-18 decays by positron emission:18 / 9 F→ 0 /1 e + ? Express your answer as an isotope using prescripts.
4- Identify the nuclide produced when thallium-201 decays by electron capture:201 / 81 Tl+ 0 /-1 e→ 0 /0 γ + ? Express your answer as an isotope using prescripts.
5- What is the value of Z in the following nuclear reaction?237 / 93 Np→ 233 / 91 Pa+ A/ Z XExpress your answer as an integer.
Using a Sample of 0.3991 grams of an unknown monoprotic acid, HA, which combines with Sodium hydroxide according to the balanced equation HA + NaOH ® NaA + H2O when 35.30 mL of 0.1086 M Sodium hydroxide is required to titrate the acid to the equiv..
Does the reaction occur spontaneously at the temperature of 298 K and standard state conditions also Calculate the value of S°univ.
A flask contains 0.350 grams of liquid Br( bromine). calculate the number of (Br)bromine molecules present in the flask
Compute the enthalpy change, , for this reaction per mole of (Assume that the specific heat and density of the resulting solution are equal to those of water [4.18 and 1.00 ] )
Determine that how many moles of molecular hydrogen are used per mole of the precatalyst in order to convert it entirely to platinum metal?
Compute the final pressure in the tank if nothing else is altered in the surroundings. (The two gases do not react)
What is the limiting reagent in the reduction of C10H16O with NaBH4 assuming you initiate it with.1 g of sodium borohydride and .1 g of camphor?
Calculate the percent (by volume) of air that would be displaced when all of theN2 (l) get evaporated. it is given that Liquid nitrogen has a density of 0.807 g/mL
Determine the specific heat of a metal object of 19 grams that is heated to 96 degrees Celsius and added to a calorimeter containing 75 grams of H 2 O at 18 degrees Celsius.
using a sample of river water sample analyzed for total inorganic carbon ,The river pH= 7.1 and an inorganic C concentration of 6.97 mg C/L.c
How many grams of Oxygen gas are required if It is desired to inflate a baggie with 842 milliliters volume by filling it with O2 gas at 1.21 atm pressure and a 306 K.temperature ?
where all compounds are assumed as covalent then determine which reaction must be endothermic and also explain your answer briefly?
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