Chemistry, 26.05.2021 14:00 shradhwaip2426
2.
Coal is a fossil fuel. When heated strongly, sulfur dioxide gas is one of the products
formed,
Sulfur dioxide changes the colour of acidified potassium manganate(VII) from
purple to colourless.
Plan an investigation to show which of the two different types of coal produces the
most sulfur dioxide when heated. You are provided with one lump of each type of
coal.
Answers: 2
Chemistry, 22.06.2019 00:30, Bryanguzman2004
Water (2510 g ) is heated until it just begins to boil. if the water absorbs 5.09×105 j of heat in the process, what was the initial temperature of the water?
Answers: 3
Chemistry, 22.06.2019 05:20, jtingley0502
Temperature is _related to the average kinetic energy of a gas. inversely directly not disproportionally
Answers: 1
Chemistry, 22.06.2019 09:00, dante766
Achemist 16 drop copper metal from copper chloride solution. the chemist place is 0.50 g of aluminum foil in a solution containing 0.75 g of copper (ii) chloride. a single replacement reaction takes place. which statement explains the maximum amount of copper that the chemist can extract using this reaction?
Answers: 1
2.
Coal is a fossil fuel. When heated strongly, sulfur dioxide gas is one of the products
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