Chemistry, 09.07.2019 07:30 shaunarothh1276
Hi me solve this questions1. after 38 days, all that is left of a 50g sample of an isotope is 0.0488 g. which isotope is this? (graph 1)2. how many more years will it take to have 0.625 grams of strontium-90(graph 2)true or false1. a radioactive alkaline earth metal belongs to group 8a of the periodic table after emitting an alpha radiation.
Answers: 1
Chemistry, 22.06.2019 02:30
Margaret wants to make an orange flavored drink by stirring powdered drink mix into a glass of water. she doesn't like drinks that have small clumps of powdered solid in them, so she wants the drink to be a perfect solution. what factors should margaret not consider when deciding how much powder to add to her glass of water?
Answers: 3
Chemistry, 22.06.2019 03:10
Agas diffuses 1/7 times faster than hydrogen gas (h2). what is the molar mass of the gas? 100.10 g/mol 98.78 g/mol 86.68 g/mol 79.98 g/mol
Answers: 3
Chemistry, 22.06.2019 04:30
This question is about electrolysis. metal spoons can be coated with silver. this is called electroplating. suggest one reason why spoons are electroplated?
Answers: 1
Hi me solve this questions1. after 38 days, all that is left of a 50g sample of an isotope is 0.04...
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