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How might a thermometer help you decide if there was any chemical change on mixing iron and charcoal?

For a chemical change to occur, there must be a chemical reaction. A chemical reaction would be either endothermic (uses energy, mostly heat), or exothermic (produces energy, again mostly heat). Any change in temperature of the reactants, as measured by a thermometer, will tell you not only ifa chemical reaction occurred, but also which kind of chemical reaction. No temperature change usually indicates that no reaction has occurred, a decrease in temperature would indicate an endothermic reaction, while an increase in temperature would indicate an exothermic reaction.


How fast can urine drop in temperature?

Urine can drop in temperature fairly quickly after leaving the body, especially in colder environments. However, the rate of temperature decrease can vary depending on factors like the initial temperature of the urine, the ambient temperature, and whether the urine is contained or spread out.


Is bht preservative bad for you?

The safety of BHT (butylated hydroxytoluene) as a preservative is a topic of debate. While it is approved by regulatory bodies like the FDA, some studies suggest potential health concerns, such as acting as an endocrine disruptor. It's best to consume BHT in moderation and focus on a balanced diet with mostly whole, unprocessed foods.


What is produced when a base dissolves in water?

When a base dissolves in water, it produces hydroxide ions (OH-) which can increase the pH of the solution. This increase in hydroxide ions can lead to the neutralization of acids in a chemical reaction.


What is the fatty substance that sticks to the inner surface of the arteries?

Cholesterol is the fatty substance that can stick to the inner surface of arteries, forming plaque. This can lead to a condition called atherosclerosis, which can restrict blood flow and increase the risk of heart disease and stroke.

Related Questions

Which service are mostly affected when number of people increase or decrease in an area?

Public transportation services are mostly affected when the number of people increase or decrease in an area. More people may lead to overcrowding and longer wait times, while a decrease in population may result in reduced routes or frequency of service.


Is scabies on the increase or decrease now in America?

Scabies is a skin infection that is contagious. It is mostly seen in children. It is not on the increase or decrease in 2014. At least 1.5 percent of the population have this skin condition.


Who was afected by the plague and were they young old rich or poor?

Mostly young and servants were affected. While rich managed to hide safely.


Will a net income of 95000 increase or decrease retained earnings?

Since increases in retained earnings mostly come from income accumulation, a net income of $95,000 will increase retained earnings.


Does density increase decrease or stay the same if temp and mass of a liquid increase?

Depends on the other conditions. If the volume remains constant, the density will remain the same (but the pressure will increase). If the pressure remains constant, the volume will increase - and therefore the density (mass / volume) will decrease.


Where is the ozone layer likely to decrease th most?

Ozone is likely to decrease at poles. Mostly at Antarctica.


What are the situations in which a marketer may increase and decrease prices?

Prices are mostly based on the laws of supply and demand. If a product is very popular and there is a low supply, the marketer would probably raise the price.


How cyclone decrease the fertility of the soil in coastal area?

Mostly by erosion but if it deposits briny water, that will also decrease fertility


What kind of math do chef's use?

Mostly simple addition, subtraction, multiplication, and division including fractions. This is so that they can measure the right amount of ingredients and are able to scale (increase or decrease) the output based on a single recipe.


How can you increase brain picking power?

mostly by reading books..


Did Facebook increase bad behavior?

mostly...no...but it depends on u


What continent sought to increase trade with nations?

Europe, mostly.