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Temperature

This category is for questions about the various units and conversions of temperature, as well as the freezing point and boiling point of elements and compounds.

19,212 Questions

Why only positive numbers are needed to record temperature in and degK?

Temperature in Kelvin (K) is an absolute scale, meaning it starts at absolute zero, the theoretical point where all molecular motion ceases, which is 0 K. Since temperatures cannot fall below absolute zero, only positive numbers are used in this scale. This is in contrast to other scales like Celsius or Fahrenheit, which can include negative numbers, as they are relative scales based on the freezing and boiling points of water.

What does c equal to?

The value of "c" can vary depending on the context in which it is used. In mathematics, "c" could represent a constant, a variable, or a specific value in an equation. For example, in physics, "c" often stands for the speed of light in a vacuum, approximately (3 \times 10^8) meters per second. If you have a specific context in mind, please provide more details for a precise answer.

Can metric temperature measure in Celsius and Fahrenheit?

Metric temperature primarily measures in Celsius, as it is part of the metric system. Fahrenheit is part of the imperial system, commonly used in the United States. While Celsius and Fahrenheit are different scales, temperature can be converted between the two, allowing for measurement in either system. However, Celsius is the standard metric unit for temperature.

What is 15 deg btdc?

15 degrees BTDC (Before Top Dead Center) refers to the position of the piston in an internal combustion engine relative to the top of its stroke. Specifically, it indicates that the piston is 15 degrees before reaching the topmost point of its travel during the compression stroke. This timing measurement is crucial for optimizing engine performance, as it affects when the fuel-air mixture is ignited in relation to the piston's position. Proper timing ensures efficient combustion and power delivery.

How hot can it get in Congo jungles?

In the Congo jungles, temperatures can reach up to 30-35°C (86-95°F) during the day. The region experiences high humidity, often exceeding 80%, which can make it feel even hotter. Additionally, the dense canopy of the rainforest can create a microclimate, resulting in warmer temperatures near the forest floor. Nighttime temperatures typically drop slightly but remain warm, averaging around 20-25°C (68-77°F).

What is minus 8 degrees?

Minus 8 degrees refers to a temperature that is 8 degrees below zero on a given temperature scale, typically Celsius or Fahrenheit. In Celsius, it represents a cold temperature often associated with winter conditions. In Fahrenheit, it is also quite cold, equivalent to approximately -13 degrees Celsius. Such temperatures can lead to freezing conditions and require appropriate precautions to stay warm.

What temperature is ten deerees higher than -7?

Ten degrees higher than -7 degrees is 3 degrees. This is calculated by adding 10 to -7, resulting in -7 + 10 = 3. Therefore, the temperature you're looking for is 3 degrees.

What is the temperature in 10000m?

At an altitude of 10,000 meters (approximately 32,800 feet), the temperature typically ranges from -30°C to -50°C (-22°F to -58°F). This is due to the decrease in atmospheric pressure and the thinning of the air as one ascends. Factors like geographic location, time of year, and weather conditions can also influence the exact temperature at this altitude.

What is the most accurate food temperature?

The most accurate food temperature for ensuring safety and quality typically depends on the type of food. For meats, the USDA recommends an internal temperature of 165°F (74°C) for poultry, 145°F (63°C) for whole cuts of meat, and 160°F (71°C) for ground meats. For cooked seafood, a safe temperature is also around 145°F (63°C). Using a calibrated food thermometer is essential for accuracy in measuring these temperatures.

What does scale point mean on an application form?

A scale point on an application form typically refers to a specific level or position within a grading or evaluation system used by an organization. It indicates where an applicant stands in relation to predefined criteria, such as skills, experience, or qualifications. Scale points can help employers assess candidates more objectively and make informed decisions based on standardized metrics.

Is brimingham colder than walsall?

Birmingham and Walsall, being relatively close to each other in the West Midlands of England, typically experience similar weather conditions. However, slight differences in temperature can occur due to local geography and urban heat effects. Generally, any temperature variations between the two cities are minimal and often not significant enough to make one consistently colder than the other.

What is considered high temperature for adults?

A high temperature for adults is generally considered to be 100.4°F (38°C) or higher. This threshold indicates a fever, which can be a sign of infection or illness. It's important to monitor other symptoms and consult a healthcare professional if the fever persists or is accompanied by severe symptoms.

What is silver solubility in water at zero degrees C?

Silver has very low solubility in water, even at zero degrees Celsius. Its solubility is approximately 0.000019 grams per 100 milliliters of water, which is about 19 micrograms per liter. This low solubility is consistent across various temperatures, making silver largely insoluble in water.

How hot is 170 deg C?

170 degrees Celsius is equivalent to 338 degrees Fahrenheit. This temperature is quite hot, typically used in baking and roasting in cooking. It is significantly higher than the boiling point of water, which is 100 degrees Celsius (212 degrees Fahrenheit). At this temperature, many foods will cook thoroughly and develop a nice golden-brown crust.

Can you show how to multiply 32 and 74?

To multiply 32 and 74, you can use the standard multiplication method. First, multiply 32 by 4 (which equals 128) and then multiply 32 by 70 (which equals 2240). Finally, add the two results together: 128 + 2240 = 2368. Therefore, 32 multiplied by 74 equals 2368.

What temperature is the human body in terms of Fahrenheit Celsius and kelvin?

The average human body temperature is typically around 98.6°F, which is approximately 37°C. In Kelvin, this translates to about 310.15 K. However, normal body temperature can vary slightly among individuals and can range from about 97°F (36.1°C) to 99°F (37.2°C).

What is equal to sin 21 degress?

The value of (\sin(21^\circ)) is approximately 0.3584. This value can be calculated using a scientific calculator or trigonometric tables. Additionally, (\sin(21^\circ)) is equal to (\cos(69^\circ)) due to the co-function identity of sine and cosine.

How hot is benidorm?

Benidorm, located on Spain's Costa Blanca, typically enjoys a Mediterranean climate characterized by hot summers and mild winters. In the summer months, temperatures often soar to around 30-35°C (86-95°F), while in winter, they generally range from 10-20°C (50-68°F). The warm weather attracts tourists year-round, though the peak season is during the summer.

Why As water is cooled from 4 and deg to 0 and deg its density?

As water is cooled from 4°C to 0°C, its density decreases due to the unique molecular structure of water. At 4°C, water reaches its maximum density because the molecules are closely packed. As it cools further to 0°C, the formation of hydrogen bonds causes the molecules to arrange themselves in a more open structure, leading to a decrease in density. This is why ice floats on liquid water.

What was the first temperature scale to be widely used?

The first temperature scale to be widely used was the Celsius scale, originally known as the centigrade scale, developed by Swedish astronomer Anders Celsius in 1742. It was based on the freezing and boiling points of water, defined as 0 degrees Celsius and 100 degrees Celsius, respectively. The scale gained popularity due to its simplicity and ease of use in scientific contexts. While the Fahrenheit scale was also in use, Celsius became the standard in most of the world.

Meaning of the white wooden bird is wafted by the warm air rising from the stove in the kitchen where the neighbors are drinking outside in -25 degrees Celsius the real birds are freezing to death?

The white wooden bird symbolizes a sense of warmth and comfort in stark contrast to the harsh reality outside, where real birds struggle to survive in extreme cold. It reflects the human tendency to create comforting illusions or representations of nature amidst uncomfortable truths. While neighbors enjoy the warmth of their kitchen, the wooden bird serves as a metaphor for the fragility of life and the separation between human experiences and the harshness of the natural world.

How does raising the temperature from 25 degree Celsius to 35 degree Celsius affect the digestion of starch?

Raising the temperature from 25°C to 35°C can enhance the digestion of starch by increasing the activity of enzymes such as amylase, which breaks down starch into simpler sugars. Enzymatic reactions generally occur more rapidly at higher temperatures, leading to a more efficient conversion of starch. However, if the temperature increases too much, it may denature the enzymes, reducing their effectiveness. Therefore, a moderate increase within the optimal range can improve starch digestion.

Is there a planet more than 4000 degrees Fahrenheit?

Yes, there are exoplanets with surface temperatures exceeding 4000 degrees Fahrenheit (about 2200 degrees Celsius). For example, some "hot Jupiters," which are gas giants located close to their stars, can achieve extremely high temperatures due to intense radiation from their host stars. One such example is KELT-9b, which has been measured to have temperatures around 7000 degrees Fahrenheit (approximately 3700 degrees Celsius). These extreme conditions contribute to unique atmospheric and physical characteristics.

What is the temperature range of the Savannah?

The temperature in the Savannah can vary significantly, typically ranging from about 60°F (15°C) to 95°F (35°C) throughout the year. Summers are generally hot and humid, while winters are mild and drier. The region experiences a distinct wet and dry season, influencing temperature fluctuations. Overall, it's characterized by warm to hot temperatures year-round.

What are the hot and cold receptors in the body?

Hot and cold receptors are specialized nerve endings in the skin that detect temperature changes. Cold receptors, primarily located in the upper layers of the skin, respond to decreases in temperature, while hot receptors, found deeper in the skin, activate in response to increases in temperature. These receptors send signals to the brain, allowing the body to perceive temperature sensations and respond accordingly to maintain homeostasis. They play a crucial role in thermoregulation and protecting the body from temperature extremes.