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What does -270 degrees Celsius mean?
(-270) degrees Celsius = (-454) degrees Fahrenheit
What amount of energy is released when you freeze then cool a 75g of liquid water to -20 degrees Celsius?
To freeze liquid water at 0 degrees Celsius, you need to remove 334 J/g of energy. To cool it from 0 degrees Celsius to -20 degrees Celsius, you need to remove an additional 80 J/g. Therefore, for 75g of water, the total energy released would be 75g * (334 J/g + 80 J/g) = 33,200 J.
How many calories are needed to convert 12.5 grams of ice at 0 degrees Celsius to steam at 100 degrees Celsius?
To convert 12.5 grams of ice at 0 degrees Celsius to steam at 100 degrees Celsius, you would need to provide heat energy for three main processes: heating the ice from 0 degrees Celsius to 100 degrees Celsius, melting the ice into water at 0 degrees Celsius, and then heating the water from 0 degrees Celsius to steam at 100 degrees Celsius. The total calorie requirement would be determined by the specific heat capacities and heat of fusion and vaporization of water.
If 4.2kj of energy will raise the temperature of 1kg of water by 1 degree Celsius 1g of fat contains 38.5kj of energywhat would the temperature of 1kg of water if 0.5 g of fat is burned?
The temperature of the water would be 4.58333 degrees Celsius higher.
How does the vapor pressure of water at 10 degrees celsius compare with its vapor pressure at 50 degrees celsius?
The vapor pressure of water at 10 degrees Celsius is lower than at 50 degrees Celsius. As temperature increases, so does the vapor pressure of water because more water molecules have enough energy to escape into the gas phase.
Which contains more heat 1 kg of ice at o degree celsius or you kg of water at o degree celsius?
1 kg of water at 0 degrees Celsius contains more heat than 1 kg of ice at 0 degrees Celsius. This is because the water has higher thermal energy due to its liquid state compared to the ice in its solid state.
Is heat energy measured in units of joules degrees Celsius and in degrees Fahrenheit?
Heat energy is typically measured in joules (J) or calories (cal). Degrees Celsius and degrees Fahrenheit are units of temperature, not energy.
Explain whether your body gains or loses thermal energy if your body temperature is 37 degrees Celsius and the temperature around you is 25 degrees Celsius?
25degres celsius has more thermal energy
Heat is measured in Celsius degrees true or false?
False. Heat is measured in units of energy such as calories or joules, not in degrees Celsius. Temperature, on the other hand, is measured in degrees Celsius.
How much energy is required to transform solid water at 0 degrees Celsius to liquid at 0 degrees Celsius?
80cal/g
Would thermal energy be greater at 0 degrees Celsius or 48 degrees Fahrenheit?
Thermal energy is a measure of the internal energy of a system and is not dependent on the unit of temperature used. Therefore, the thermal energy at 0 degrees Celsius would be the same as at 48 degrees Fahrenheit.
What temperature is absolute zero in degrees Celsius?
Absolute zero is -273.15 degrees Celsius. At this temperature, particles have minimum movement and energy.
How cold is absolute zero in Celsius?
Absolute zero is -273.15 degrees Celsius and -459.7 degrees Fahrenheit. Kelvin = degrees Celsius + 273.15
Is 2 degrees Celsius colder than 6?
Yes, 2 degrees Celsius is colder than 6 degrees Celsius. The numerical value of the temperature indicates the amount of heat energy present, so a lower number represents a lower temperature. In this case, 2 degrees Celsius is 4 degrees lower than 6 degrees Celsius.
What does -270 degrees Celsius mean?
(-270) degrees Celsius = (-454) degrees Fahrenheit
Is heat is measured in degrees Celsius?
Heat itself is not measured in degrees Celsius; rather, temperature is measured in degrees Celsius. Heat is a form of energy that is transferred between objects or systems due to a temperature difference. The SI unit for heat energy is the joule (J), while the SI unit for temperature is the degree Celsius (°C).
What is the mercury's motion particles as it's heated from 45 degrees Celsius to 365 degrees Celsius?
As mercury is heated from 45 degrees Celsius to 365 degrees Celsius, its particles will gain energy and move faster. This increased thermal energy causes the particles to vibrate more quickly and spread out, leading to an expansion in volume. At the higher temperature, the motion of mercury particles will be more rapid and chaotic compared to when it was at 45 degrees Celsius.
