An entire group of elements was unknown when the periodic table was first developed because they were unreactive and no known compounds were composed of them. what most likely led to the inclusion of these elements in the periodic table? the formation of a compound in the laboratory new technology that showed how to identify one of the elements improvements in instruments to measure small masses more careful experiments to create synthetic elements
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Chemistry, 21.06.2019 19:10
Imagine that you have produced several versions of lactase, each of which differs from normal lactase by a single amino acid. describe a test that could indirectly determine which of the versions significantly alters the three-dimensional shape of the lactase protein.
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Chemistry, 22.06.2019 01:30
In a spacecraft, the following reaction occurs: co2(g) + 2lioh(s) -> lico3(s) + h2o(i) (i attached picture of equation) how many liters of carbon dioxide will 4 moles of lithium hydroxide (lioh) absorb? (one mole of any gads occupies 22.4 l under certain conditions of temperature and pressure. assume those conditions for this equation.) 45l 6.0l 3.0l 34l
Answers: 1
Chemistry, 22.06.2019 02:30
Based on the equation and the information in the table, what is the enthalpy of the reaction?
Answers: 2
An entire group of elements was unknown when the periodic table was first developed because they wer...
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