Description : How do inter molecular forces affect the boiling point of a liquid?
Last Answer : What is the answer ?
Description : Bacterial species in fish are naturally adapted to the cold environment in which most fish live and thus, _____ will not affect them; _____ is preferred. a. heating, cooking b. cooling, refrigeration c. warming, boiling d. cooling, freezing
Last Answer : d. cooling, freezing
Description : Electricity is passed through water in electrolysis and two gases are formed. If one gas has a boiling point of -183 degrees and other has a boiling point of -253 degrees what are the gasses?
Last Answer : We know that the gas oxygen has a boiling point of about -183 degrees C. The gas hydrogen has a boiling point of about -253 degrees C.
Description : With rise of boiling point of a water, what will be the latent heat of steam? -Do You Know?
Last Answer : answer:
Description : What is the boiling point of water ?
Last Answer : Boiling point of water is 100 ° C. |
Last Answer : Boiling point of water is 100 degree Celsius
Last Answer : water Boiling point 100 ° C
Description : For the process : `H_(2)O (l, 1 atm, 373 K) rArr H_(2)O(g, 1 atm, 373 K)` [Given normal boiling point of water `= 373` K at 1 atm pressure.] The corre
Last Answer : For the process : `H_(2)O (l, 1 atm, 373 K) rArr H_(2)O(g, 1 atm, 373 K)` [Given normal boiling ... lt 0, DeltaU gt 0, Delta H = 0` D. none of these
Description : Assertion : Phenol has lower boiling point then water Reason : Water forms more number of hydrogen bonds
Last Answer : Assertion : Phenol has lower boiling point then water Reason : Water forms more number of hydrogen ... false D. Assertion is false, Reason is true
Description : What is the boiling point of water at an elevation of 1.55 and times104 ft?
Last Answer : The boiling point of water at this altitude is 84,2 oC.
Description : How many degrees are there between the melting point of ice and boiling point of water?
Last Answer : On the centigrade scale there is 100.On the fahrenheit scale there is 180.
Description : Is the boiling point of water is extensive?
Last Answer : Boiling point is an intensive property.
Description : How much would the boiling point of water increase if 4 mol of sugar were added to 1 kg of water kb0.51c cmolkgfor water nd I1 for sugar?
Last Answer : Feel Free to Answer
Description : How much would the boiling point of water increase if 4 mol of NaCl were added to 1kg of water?
Description : Why is it easier to cook in a pressure cooker? (a) High pressure creates turbulence (b) More steam is formed inside the cooker (c) Boiling point of water is raised (d) Boiling point of water is lowered
Last Answer : Ans:(c)
Description : At high altitudes it is difficult to cook eggs or vegetables properly because of (a) High boiling point of water and low atmospheric pressure (b) Low boiling point of water and low atmospheric ... Low value of acceleration due to gravity (d) High atmospheric pressure and low billing point of water
Last Answer : Ans:(b)
Description : The boiling point of water, on the Kelvin scale of temperature is-K (a) 100 (b) 273 (c) 373 (d) 212
Description : Pick the wrong statement: hydrogen bonding results in (a) Increased solubility in water (b) Higher Van der Waal's forces (c) Molecular association (d) Abnormal boiling point
Description : Which of the following is not a property of heavy water? (1) Boiling point of heavy water is lower than that or ordinary water (2) Density of heavy water is higher than that of ordinary water (3) Freezing point of heavy water is higher than that of ordinary water (4) It produces corrosion
Last Answer : (1) Boiling point of heavy water is lower than that or ordinary water Explanation: Heavy water, formally called deuterium oxide or 2H90 or D20, is a form of water that contains the hydrogen ... well: for instance heavy water used in CANDLE reactors is 99.75% enriched by hydrogen atom-fraction.
Description : Vegetables are cooked in lesser time by adding a pinch of salt while cooking because (1) boiling point of water increases (2) latent heat of vaporization of water decreases (3) latent heat of vaporization of water increases (4) boiling point of water decreases
Last Answer : (1) boiling point of water increases Explanation: Adding salt raises the boiling point of water, which allows food to cook at higher temperature. The higher the temperature, the higher the rate of heat transfer between the food and water, thus it cooks more quickly.
Description : At hill stations, the boiling point of water will be – (1) same as at sea level (2) less than that at sea level (3) more than that at sea level (4) equal to the melting point of ice
Last Answer : (2) less than that at sea level Explanation: The boiling point is the temperature at which the vapour pressure of the liquid equals the environmental pressure surrounding the liquid. Atmospheric pressure ... The atmospheric pressure at high altitudes like hill station is less than at the sea level.
Description : The boiling point of water decreases at higher altitudes is due to – (1) low temperature (2) low atmospheric pressure (3) high temperature (4) high atmospheric pressure
Last Answer : (2) low atmospheric pressure Explanation: At higher altitudes, the air pressure is decreased, which forces water's boiling point to lower. The air pressure decreases with altitude because of the ... of air. The lowered boiling point of water requires an increase in cooking times or temperature.
Description : The boiling point of water depends upon the – (1) atmospheric pressure (2) volume (3) density (4) mass
Last Answer : (1) atmospheric pressure Explanation: The boiling point corresponds of water to the ternperature at which its vapour pressure equals the surrounding environmental pressure. So it is dependent on ... pressure decreases. As this pressure decreases, the boiling point of the water also decreases.
Description : Alcohol is more volatile than water because ______ is lower than water. (1) its boiling point (2) its density (3) its viscosity (4) its surface tension
Last Answer : (1) its boiling point Explanation: Drinking alcohol (ethanol) and a lot of other simple alcohols are more volatile than water because they are less polar. Thus, alcohol has higher vapor pres-sure and ... C is what makes it possible to distill alcohol into a much stronger solution than wine or beer.
Description : Water is used in car radiator because of its – (1) low density (2) easy availability (3) high specific heat capacity (4) low boiling point
Last Answer : (3) high specific heat capacity Explanation: Water is used in car radiators because the Specific heat capacity of water is high as a result of which it takes away the heat from engine better compared to ... coolant used in the radiator. If the radiator was to overheat the car would come to a stop.
Description : Water is a good solvent of ionic salts because - (1) It has no colour (2) It has a boiling point (3) It has a high dipole moment (4) It has a high specific heat
Last Answer : (3) It has a high dipole moment
Description : Water is not suitable as a calorimetric substance because it – (1) has high specific heat (2) is a good conductor (3) has high boiling point (4) low latent heat of vaporization
Last Answer : (1) has high specific heat Explanation: The specific heat of water is higher than all other common substances. Hence, water is used for heating purposes (as in hot water bottles) and for cooling ... the liquids, mercury has the lowest specific heat due to which it is used as a thermometric liquid.
Description : With rise of boiling point of a water, what will be the latent heat of steam?
Last Answer : Decreases
Description : Why Boiling Point of water decrease with Altitude?
Last Answer : Low atmospheric pressure
Description : Why is the boiling point of sea water more than that of pure water?
Last Answer : Ans: Sea water contains salts and other impurities with different points which jointly rise its boiling point.
Description : Water has high boiling point due to the presence of?
Last Answer : Hydrogen bonding
Description : High boiling point of water is due to?
Description : Explain the following (a) The density of ice is less than that of liquid water? (b) The boiling point of water is less than that of H2S. (c) NaH has higher reducing character than H2O.
Last Answer : Ans-a) In structure of ice , Oxygen atom is tetrahedrally surrouneded by four hydrogen (with two hydrogen by hydrogen bond and with two hydrogen by covalent bond ) and have vacant spaces in ... Due to extensive hydrogen bonding in water c)NaH is ionic compound while water is a covalent compound
Description : steam distillation, the (A) Temperature is 100°C(B) Temperature is more than 100° C (C) Product must be immiscible with water (D) Temperature is higher than the boiling point of either component
Last Answer : (C) Product must be immiscible with water
Description : Boiling point of a solution according to Duhring's rule is a linear function of the __________ of water. (A) Boiling point (at the same pressure) (B) Viscosity (C) Density (D) Thermal conductivity
Last Answer : (A) Boiling point (at the same pressure)
Description : . Boiling point elevation for a strong and concentrated solution is found by Duhring's rule, which states that at the same pressure, the boiling point of a solution is a linear function of the __________ of pure water. (A) Boiling point (B) Dynamic viscosity (C) Kinematic viscosity (D) Density
Last Answer : (A) Boiling point
Description : In cold countries ethylene glycol is added to water in car radiators. This helps to (a) Reduce the viscosity (b) Make water a better lubricant (c) Lower the freezing point (d) Lower the boiling poin
Last Answer : Lower the freezing point
Description : Use of water as a manometric liquid suffers from the disadvantage of its (A) Low vapour pressure (B) Corrosive nature (C) High vapour pressure (D) High boiling point
Last Answer : (C) High vapour pressure
Description : Glycerine is used as a coolant in cooling of some engines instead of water, because (A) Its higher boiling point (290°C) increases its heat carrying capacity (B) Comparatively less weight of coolant is required (C) Smaller radiator can be used (D) All a, b & c
Last Answer : (D) All a, b & c
Description : Boiling point of water gets lowered at high altitudes (e.g., hills), because (A) Temperature is low (B) Atmospheric pressure is low (C) Atmospheric pressure is high (D) None of these
Last Answer : Option B
Description : The use of pressurized radiator cap is to a) Reduce evaporation loss b) Increase engine operating temperature c) Increase boiling point of water d) Reduce heat losses
Last Answer : ans c
Description : A __________ is a type of heat exchange system where water is heated to its' boiling point via combustion of a fuel blown through a tube submerged in water. a. Condensate loop b. Hyperbolic cooling tower c. Steam boiler d. All of above
Last Answer : c. Steam boiler
Description : What is TRUE: A. Boiling point of acrylic acid > boiling point of water B. Boiling point of acrylic acid is similar to that of water C. Boiling point of acrylic acid < boiling point of water
Last Answer : B. Boiling point of acrylic acid is similar to that of water
Description : List four temperature scales and state its icepoint and boiling point of water on each scale.
Last Answer : Temperature scales with ice point and boiling point of water :
Last Answer : boiling point of water increases
Description : At hill stations, the boiling point of water will be (1) same as at sea level (2) less than that at sea level (3) more than that at sea level (4) equal to the melting point of ice
Last Answer : less than that at sea level
Description : The boiling point of water depends upon the (1) atmospheric pressure (2) volume (3) density (4) mass
Last Answer : atmospheric pressure
Description : Alcohol is more volatile than water because _________ is lower than water. (1) its boiling point (2) its density (3) its viscosity (4) its surface tension
Last Answer : its boiling point