AQA Combined science: Synergy 4. AQA Combined science: Trilogy 5. Edexcel Chemistry Topic 4 - Extracting metals and equilibria Reversible reactions and equilibria 4. Consider chemical reactions in terms of energy, using the terms exothermic, endothermic and activation energy, and use simple energy profile diagrams to illustrate energy changes.
Leaving Certificate Chemistry 5. Fuels and heats of reactions 5. Exothermic and endothermic reactions and changes of state. Option 2B: Additional electrochemistry and the extraction of metals 2B. Related articles. Topic web Recycling and melting plastics 7—9 years Connect your curriculum teaching on materials to engaging sustainability contexts. Topic web Saving water and pollution in the water cycle 7—9 years Connect your curriculum teaching on water and the water cycle to engaging sustainability contexts.
Load more articles. You're not signed in. Only registered users can comment on this article. Sign in Register. More Experiments. Experiment Practical potions microscale 11—14 years TZ Observe chemical changes in this microscale experiment with a spooky twist.
Experiment Antibacterial properties of the halogens Use this practical to investigate how solutions of the halogens inhibit the growth of bacteria and which is most effective. When a hydrate is heated the water molecules are driven off as steam, leaving. The first step to finding the formula for a hydrate is to record the mass of the hydrate. How long must you heat the contents of the crucible?
The contents of the crucible must be heated in low and medium flame for five minutes respectively then in high flame in ten minutes. Re: Copper Sulfate - How long does it take? Similar for larger plants.
Uses for Copper Sulfate Bluestone Antiseptic agent. In electroplating processes. Antifungal agent for topical use. Treatment of copper deficiency. Curing "Proud Flesh" on Horses. Etching - Copper sulfate is also used to etch zinc plates for intaglio printmaking.
Some people may exhibit a sensitivity to copper if copper sulfate makes contact with their skin. Copper sulfate is a severe eye irritant and can cause substantial damage to the eyes. If inhaled, the dust can cause respiratory irritation. Copper sulfate should not be ingested. Copper sulfate is an inorganic compound that combines sulfur with copper. It can kill bacteria, algae, roots, plants, snails, and fungi. The toxicity of copper sulfate depends on the copper content.
Copper sulphate is a poison often used to discourage tree roots from growing into vulnerable areas such as sewer lines. It can , however, kill a whole tree if it is properly applied. Instead, use the copper sulphate to poison the tree more directly.
As a fungicide and herbicide Copper sulfate pentahydrate is used as a fungicide. However, some fungi are capable of adapting to elevated levels of copper ions. Bordeaux mixture, a suspension of copper II sulfate CuSO 4 and calcium hydroxide Ca OH 2 , is used to control fungus on grapes, melons, and other berries.
Well…we say…that is because copper sulfate is not the product you use to kill pond weeds. Copper, when heated, will oxidize more readily, producing copper oxide chemical , it will also expand slightly when heated physical , and its resistance will increase a bit electrical. When heated in air, copper will oxidize to form black copper II monoxide and red copper I oxide. Copper oxidizes to copper When copper is heated in air, it is oxidised to copper II oxide and the reddish brown metal turns black as the copper is oxidised to copper II ions.
Explanations including important chemical equations : Heated copper metal reacts with oxygen to form the black copper oxide. The copper oxide can then react with the hydrogen gas to form the copper metal and water.
The linear expansion from the table above is approximately 0. Expansion Loops Calculation for expansion and contraction should be based on the average coefficient of expansion of copper which is 0.
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