Chemistry, 23.02.2021 01:00 borgesalfonso12
When magnesium ribbon is placed in sulfuric acid, a chemical reaction takes
place and heat energy is given off.
Liang and Naranbaatar are planning an investigation into the effect of the
length of magnesium ribbon on the increase in temperature. They decide to
carry out some preliminary work.
Explain what preliminary work they could do and how this would help them
plan their investigation.​
Answers: 1
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The table below shows the freezing points of four substances. substance freezing point (°c) benzene 5.5 water 0 butane –138 nitrogen –210 the substances are placed in separate containers at room temperature, and each container is gradually cooled. which of these substances will solidify before the temperature reaches 0°c? benzene water butane nitrogen
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When magnesium ribbon is placed in sulfuric acid, a chemical reaction takes
place and heat energy i...
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