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Is it true or false that indications of a chemical change include light heat and gas production?
True. Light, heat, and gas production are indications of a chemical change. These signs suggest that a chemical reaction is taking place, which involves the formation of new substances with different properties than the original substances.
How does temperature affect the formation of anthocyanin?
Temperature, light, and water supply have an influence on the degree and the duration of fall color. Low temperatures above freezing will favor anthocyanin formation producing bright reds in maples. However, early frost will weaken the brilliant red color. Rainy and/or overcast days tend to increase the intensity of fall colors
What are the factors affecting of heat of solution?
Factors affecting the heat of solution include the nature of the solute and solvent, temperature, pressure, and the presence of any other substances in the solution. The heat of solution can vary based on the enthalpies of the solute and solvent, as well as the interactions between them. Temperature changes can also impact the heat of solution, with higher temperatures generally leading to higher heat of solution values.
How cold does it have to be for something to freeze instantly?
For something to freeze instantly, it typically needs to be exposed to temperatures well below freezing, such as -40 degrees Fahrenheit or Celsius. These extreme conditions can vary depending on the specific substance and its composition. Rapid freezing is influenced by factors like thermal conductivity and heat capacity of the material.
Does wood burn at 3000 degrees?
Wood does not burn at exactly 3000 degrees Fahrenheit. Wood typically ignites and begins to burn at temperatures around 500 degrees Fahrenheit, but the exact temperature can vary based on factors such as moisture content and type of wood. Once ignited, the heat from the burning wood can reach temperatures well above 3000 degrees Fahrenheit.
How does heat and cold affect a compost pile?
Extreme heat and cold will effect compost formation. Many times I have measured very active compost piles, with sufficient moisture, at 120 degrees F. Temperatures above may begin to adversely effect decomposition, depending on moisture present. I do not know at what higher temperatures decomposition slows or stops. Cold temperatures slow the metabolism of decomposition organisms. Therefore compost formation eventually stops at temperatures approaching freezing. The decay organisms vary greatly and their heat/cold tolerances will vary also.
Do all parts of a flame heat equally?
No, different parts of a flame have different temperatures. The inner blue cone of a flame is typically the hottest part, while the outer yellow part is cooler. Heat distribution in a flame can vary based on factors such as fuel type and combustion efficiency.
How do temperatures on the moon different from the earth?
Temperatures vary so much because the moon does not have an atmosphere.
How do temperatures on the moon different from those on earth?
Temperatures vary so much because the moon does not have an atmosphere.
Do air temperature and cloud formation vary in different places?
Of course they do.
The ocean's surface temperatures vary with time of year and?
Oceans are able to absorb and holds energy from sunlight A thermal exchange Ocean absorbs and releases thermal energy much more slowly than dry land. Have heat, will travel Different temperatures at different locations.
Why does the earth's air temperature vary greatly during the day while its ocean temperatures vary only slightly?
The atmosphere has a lower heat capacity.
How do do different color lights vary in the amount of heat energy that they carry?
i think it does vary
Tematures and precipitation vary with altitude in which climate zone-?
Temperatures and precipitation tend to vary with altitude in mountain climates. As altitude increases, temperatures usually decrease, leading to unique climate patterns and precipitation regimes in mountainous regions. This results in diverse ecosystems and weather conditions at different elevations.
Why does a writer who wrote recipes suggest different times for preparation and baking?
There are many different techniques used for different recipes and for many different reasons. It could depend on the type of cooking equipment you are using, your heat source, the climate where you live, and much more. Also, oven temperatures may vary from oven to oven.
Why does earth's temperature vary greatly during the day while its ocean temperatures varies only slightly?
The atmosphere has a lower heat capacity.
Why does heat loss vary all over the earth?
Heat loss varies all over the Earth due to differences in surface characteristics, such as land vs. water, altitude, and vegetation cover. Factors like sunlight angle, cloud cover, and atmospheric circulation patterns also play a role in how heat is distributed and lost across different regions. Patterns of heat loss are further influenced by ocean currents, prevailing winds, and the Earth's tilt and rotation.
