Chemistry, 15.04.2020 02:58 hdjsjfjruejchhehd
A 2.026g sample of a hydrate of sodium carbonate (Na2CO3) is heated to remove water. After heating, the mass of the sample is 0.750 g. Calculate the percentage by mass of water in the sample.
Answers: 2
Chemistry, 22.06.2019 11:00
Which are examples of how technology has advanced scientific understanding.1using hot water to sterilize medical equipment.2transplanting a human organ into another individual.3inserting genes from one sheep into another cell to make a cloneunderstanding the different structures that make up a cell.4examining microorganisms from the deepest parts of the ocean
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Chemistry, 23.06.2019 01:00
Iron (fe) reacts with copper sulfate (cuso4) to form iron (ii) sulfate. in this reaction, cu2+ gains electrons to form cu. which statement is true about this reaction? fe(s) + cuso4(aq) β feso4(aq) + cu(s)
Answers: 3
Chemistry, 23.06.2019 03:00
Analyze the reaction to determine whether the reaction is exothermic or endothermic. explain your reasoning.
Answers: 1
Chemistry, 23.06.2019 04:31
What are the coefficients that will balance the skeleton equation below? n2 + h2 β nh3
Answers: 1
A 2.026g sample of a hydrate of sodium carbonate (Na2CO3) is heated to remove water. After heating,...
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