Iron(ii) sulfate forms a blue-green hydrate with the formula feso4 ·n h2o(s). if this hydrate is heated to a high enough temperature, h2o(g) can be driven off, leaving the dirty yellow anhydrous salt feso4(sa 18.300-g sample of the hydrate was heated to 300 °c. the resulting feso4(s) had a mass of 9.9993 g. calculate the value of n in feso4 ·n h2o(s).
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Chemistry, 21.06.2019 20:30
Asample of radium-226 will decay 1/4 of its original amount after 3200years. what is the half-life of radium-226?
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Chemistry, 22.06.2019 06:00
Ethanol (c2h5oh) is produced from the fermentation of sucrose in the presence of enzymes. c12h22o11(aq) + h2o(g) 4 c2h5oh(l) + 4 co2(g) determine the theoretical yield and the percent yields of ethanol if 680. g sucrose undergoes fermentation and 326.5 g ethanol is obtained. theoretical _ g _ percent %
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Chemistry, 22.06.2019 11:00
Freezing and boiling are endothermic processes. this means that these processes absorb energy from their surroundings in order to occur. use this information and the data you collected in the phase change gizmo to describe what happens to the temperature of water when you boil it, then explain why this result occurs.
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Chemistry, 23.06.2019 05:30
Based on the formulas, select the compounds below that are covalent: kbr sif4 al2o3 co2 naco3 s7o2 pcl3 fe3n2 h2o s2f10
Answers: 3
Iron(ii) sulfate forms a blue-green hydrate with the formula feso4 ·n h2o(s). if this hydrate is hea...
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