Chemistry, 07.12.2020 14:00 gabischmid8101
30 points!! What is the mass of a 10 gram sample of potassium-42 that will remain unchanged after 124 hours?
Answers: 2
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Harvey kept a balloon with a volume of 348 milliliters at 25.0˚c inside a freezer for a night. when he took it out, its new volume was 322 milliliters, but its pressure was the same. if the final temperature of the balloon is the same as the freezer’s, what is the temperature of the freezer? the temperature of the freezer is kelvins.
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Molecular iodine, i2(g), dissociates into iodine atoms at 625 k with a first-order rate constant of 0.271 s−1. part a part complete what is the half-life for this reaction?
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List and describe the neurological effects of the vocs and other air pollutants,as described by dr.theo colborn
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Chemistry, 23.06.2019 02:00
Calculate the molarity of each aqueous solution: a. 78.0 ml of 0.240 m naoh diluted to 0.250 l with water b. 38.5 ml of 1.2 m hno3 diluted to 0.130 l with water
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30 points!!
What is the mass of a 10 gram sample of potassium-42 that will remain unchanged after 1...
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