A body cools form 7o°c to 6g°c in sminules in a surrounding at 30°c Flow much time weill it take to cool. from 60°c lo 50°c.
Q: One of the hottest temperatures ever recorded on the surface of Earth was 134oF in Death Valley, CA.…
A:
Q: How much heat is needed to melt 28.20 kg of silver that is initially at 21 ∘C?
A:
Q: When liquid freezes O it absorbs heat. O it releases heat. its temperature decreases. O its…
A:
Q: Calculate the heat needed to take 0.500 kg of ice at -10 celsius to liquid water at 50 celsius
A:
Q: what is the tempertureq of 3.0 moles pf gas at a pressure of 25- kpa held in a vomume of 15 L
A:
Q: How much heat is needed to change 425 g of ice at 0 deg * C to water at 0 deg * C
A: Given data: The ice at 0°C Mass (m) = 425 g Required: The heat energy needed to change the ice to…
Q: A hot body is placed in cooler surrounding. Its rate of cooling is 3°C per minute when its…
A: We need to compute- (1) Temperature of surrounding θ0=? (2) Rate of cooling when body is at 400 C…
Q: You want to heat an ice cube from -10 C to 110 C. Write out all the equations you would need to…
A: The following are the steps involved in the proces Step 1: Heating the ice from -10°C to 0°CStep 2:…
Q: How much heat energy is required to raise 2 kg of copper by 5º C?
A: Given: Mass, m=2 kg ∆T=5°C Specific heat capacity of copper, c=390 Jkg-1K-1
Q: The cold junction of a thermocuplo is uaintamd at o°C $f thermo'emf. developed by the thermo couple…
A: To find-Neutral temperature (θn)=?Given-Thermo e.m.f (E)=20θ-θ230At neutral temperature we have,θ=θn…
Q: How much heat is required to raise the temperature of 250 mL of water from 20 o C to 35 o C ? How…
A: Given: The volume of water is 250 mL is equal to 250 ml* 1 gm/ ml of water = 250 grams The raise in…
Q: Explain why a body of water freezes from the top down rather than from the bottom up.
A: Step 1Freezing from bottom up would happen when instead of water, there is presence of acetone or…
Q: Find change in Gtrofy cn J/k after ice hoe melted ond water is heated to 25% ond festly a sky Llck…
A: Mass of ice block m=5 Kg, Initial temperature of iceT1=-5°C=268 K Final temperature of water…
Q: How much heat is required to melt 30 kg of ice at 0°C to water at 10 deg * C ? The latent heat of…
A: Given data: Mass (m) = 30 kg Initial temperature (T0) = 0°C Final temperature (T) = 10°C Latent heat…
Q: How many joules of heat does it take to turn 3kg of -20oC ice into 115oC vapor?
A: So initially 3Kg ice from -20 degree Celsius to 0 degree Celsius. Then in next step the 3Kg ice…
Q: The force of air particles over an area is O temperature. O pressure. O volume. O kelvins.
A:
Q: Find the heat flow during 300 minutes through a glass window of thickness 0.15 inches with that is 7…
A:
Q: Q17 - Three bodies are having temperatureTA = - 42 °FTB = - 10 °CTC = 200 KWhich body among these…
A: TA=-42°FTB=-10°cTc=200k
Q: HOW MUCHWORK WILL YoU NEED TO COMPRESS AIR IN AN INSULATED CONTAINER FROM 0.27 m² TO 0.09 m? usE t,…
A:
Q: ow many grams of ice with temperature of O degree celcius must be mixed wit 50 grams of water at 100…
A: Given: The intial temperature of the ice is 0oC. The mass of the water is 50 g. The initial…
Q: When water vapor condenses to a liquid it a. absorbs energy from the surroundings b. its…
A: Condensation is the process when water vapor changes to liquid.
Q: Calculate the amount of heat to be added to warm 300 g of ice from -20°C to produce steam at 220°C?
A:
Q: If the temperature of the surface of the object is 745.1 K, then calculate its value in °F.
A: SOlution: Given that T = 745.1 K
Q: you take an ice-cream out if the freezer, ketp at - 18°C .outside it is 32°C after ine minute the…
A:
Q: Consider a flat steel plate with a hole through its center. When the temperature of the plate is…
A: When the temperature is decreased, the hole will contract as the plate contract around it. Because…
Q: (a) Two identical concrete slabs lie flat and in contact with each other as shown in If the…
A:
Q: Suppose you are an astronaut in the vacuum of space, hard at work in your sealed spacesuit. The only…
A: In this case, the astronaut is in the vacuum space, wearing a sealed spacesuit. There is no solid…
Q: During hot summer season sometime railway tracks are bent because of O a. Isothermal expansion O b.…
A: Ans - Linear expansion
Q: Sea breezes are often encountered on sunny days at the shoreof a large body of water. Explain,…
A: When the temperature of the air is increased, the density of the air decreases, and the air becomes…
Q: discret maths A thermometer is taken from an inside room to the outside, where the air…
A:
Q: If the temperature of the surface of the object is 648.5 K , then calculate its value in °F. a.…
A:
Q: Identify whether the given situations are examples of conduction, convection or radiation. a.…
A: a. Solar ultraviolet radiation, precisely the process that determines the Earth's temperature. It is…
Q: The temperature fell 12∘ over 4 hours. What was the average change in temperature per hour?
A: Given data: Fell in temperature (ΔT) = 12° Time (Δt) = 4 h Required: The average change in…
Q: A 25-gram metal ball is heated at 2000C with 2330 Joules of heat. What is the specific heat of…
A: Given : Mass of a metal ball (m) = 25-gram Temperature difference (∆t) = 200°C Heat (Q) = 2330 J
Q: If placed in outer space where there is a near vacuum, a heated object will lose almost all of its…
A:
Q: blw two paualle) plates 9 A space of 20m m led oilh castor oil ata temp. of 38°c. One of plate is…
A: Given: The distance between the plates is 20 mm. The temperature is 38 C. The speed of the plate is…
Q: If cooling occured at the bottom of pond instead at the surface, would the pond freeze from the…
A:
Q: One of the hottest temperatures ever recorded on the surface of Earth was 134oF in Death Valley, CA.…
A: 1340F is converted into Celsius as follows.
Q: write at least 5 points about Specific Heat capacity of liquids.
A: Specific heat capacity is defined the amount of heat required to raise the temperature of a unit…
Q: A body is at 75 degrees and cools in the surroundings at 25 degrees. At what temperature will its…
A: Concept: Given: Initial Body Temperature (Ti)=75°Surrounding Temperature (T∘)=25° As given in the…
Step by step
Solved in 2 steps
