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Is heating copper sulfate and water a chemical change?
Yes, it undergoes the clues that indicate that a chemical change has happened.new colour appearsheat or light is producedbubbles or gas are formeda solid forms into a liquidchange is hard or impossible to reverseFour out of the five are met. A solid does not turn into a liquid during this process.
How does the size of and number of atoms contained in a hydrocarbon affect its properties?
As the base number of carbon atoms in a simple hydrocarbon increases, the higher the potential energy contained in the compound. More complex hydrocarbons can also have shifting melting and boiling ranges.
Heating a substance until it glows?
Heating a substance until it glows typically means that it is being heated to a very high temperature, causing it to emit visible light. This process is often used in materials science for annealing or tempering processes, or in physics experiments to study the behavior of materials at high temperatures.
What are examples of a physical property?
A physical property is any property of matter or energy that can be measured. It is an attribute of matter that can be observed or perceived. 1. Density - Mass per unit volume of a substance 2. Solubility - Ability of a substance to dissolve 3. Conductivity - Ability to conduct electricity 4. Mass - An object's resistance to being accelerated 5. Volume - Space that a substance occupies
What are the decomposition steps for copper sulphate pentahydrated?
Initial chemical formula is: CuSO4.5H2O. Dehydration: - CuSO4.3H2O at 63 0C - CuSO4.H2O at 109 0C - CuSO4 at 200 0C Thermal decomposition after 650 0C: CuSO4 = CuO + SO3
How does a solubility curve work?
A solubility curve shows how the solubility of a substance changes with temperature. It plots the amount of solute that can dissolve in a specific amount of solvent at different temperatures. As temperature increases, solubility typically increases for solid solutes but can decrease for gases. Understanding the solubility curve can help predict how much of a substance will dissolve under different conditions.
Marie and Calvin tried dissolved 45 grams of NO3 in 100 grams of water at 25oC Five grams of solute settled out so they heated the water to 55oC and they were able to dissolve the extra 5 grams of so?
Increasing the temperature of the solution allowed more of the solute (NO3) to dissolve due to an increase in solubility. As temperature increases, the kinetic energy of the solvent molecules also increases, making it easier for the solute molecules to break apart and dissolve. At 55°C, the solubility of the compound was high enough to dissolve the extra 5 grams that initially settled out at 25°C.
What is the contributing factor to a fish kill that occurs in during summer months that may be traced to temperature effect on solubility if gas in water?
The contributing factor to a fish kill in summer months could be related to a decrease in the solubility of oxygen in water as temperature increases. Warmer water holds less oxygen, making it harder for fish to breathe. This decreased oxygen availability can lead to fish suffocation and mass die-offs in bodies of water during hot weather.
What velocity does the student have after five seconds?
Velocity increases after 5 seconds
Five letter word meaning To convert into vapor?
A five letter word which means to convert into vapor is steam. It is the process of heating or boiling water and turning it into vapor.
What is a exponent?
It is a little floating number at the top of a whole number that increases it. For example five squared would be five with a floating 2 and the answer would be 25 because five times 5 is 25
Explain the effect of temperature on the rate of dissolving using the particle theory.?
One of the five particle theory's of matter states that particles move faster at a higher temperature. When you put salt in warm water, it dissolves much faster then when you put salt in cold water because the higher the temperature the faster the salt will dissolve in the water.
Find the percent from fifty-five to sixty and tell whether it increases or decreases?
55 to 60 is an increase of 9.09%
Is it safe to drive after taking a narcotic?
No, when you take a narcotic, your chances of getting into a car accident increases by seventy-five percent.
What is the five list down of uses of electricity in the home and community?
* Lights. * Appliances. * Heating/air conditioning. * Security systems. * Traffic control.
If a jogger runs 22 miles/hour for five hours. How far did the runner run in five hours?
110 miles
Why is the percent increase from forty five to seventy five not equal to the percent decrease from Seventy five to forty five?
Because percentage changes increases or decreases - are calculated relative to the starting value, which appears as the denominator in the calculations. In the above example, the increase will be relative to 45 whereas the decrease will be relative to 75.
