Description : Is ice heavier or lighter than liquid water?
Last Answer : I would think it would weigh the same? A scientific mind, I have not. Good question though. Makes me think.
Description : Solid and liquid phases of a substance are in equilibrium at the (A) Critical temperature (B) Melting point (C) Freezing point (D) Both (B) and (C)
Last Answer : D) Both (B) and (C)
Description : What would happen if you ate a 16oz cup of salt?
Last Answer : You die.
Description : How much does 16oz styrofom cup weigh?
Last Answer : Styrofoam weighs 0.05 gram per cubic centimeter or 50 kilogram per cubic meter, i.e. density of styrofoam is equal to 50 kg/m³; at 20°C (68°F or 293.15K) at standard atmospheric pressure.
Description : The point at which the solid, liquid and gaseous forms of a substance co-exist is called its (a) boiling point (b) melting point (c) triple point (d) freezing point
Last Answer : Ans:(c)
Description : The point at which the solid, liquid and gaseous forms of a substance co-exist is called its (a) Boiling point (b) Melting point (c) Triple point (d) Freezing point
Description : The point at which all the three (solid, liquid and gas) phases co-exist, is known as the __________ point. (A) Freezing (B) Triple (C) Boiling (D) Boyle
Last Answer : B) Triple
Description : Shrinkage allowance on pattern is provided to compensate for shrinkage when the (A) Metal changes from liquid state to solid state at freezing temperature (B) Solid phase temperature drops ... to room temperature (D) Liquid metal temperature drops from pouring temperature to freezing temperature
Last Answer : (B) Solid phase temperature drops from freezing temperature to the room temperature
Description : The phase transition of a liquid to a solid a. Solidification b. Freezing c. Fusion d. All of these
Last Answer : All of these
Description : Regenerators as compared to recuperators for the same duty(A) Store smaller quantity of waste heat (B) Are lighter & compact (C) Involve higher initial cost (D) All (A), (B) & (C)
Last Answer : (C) Involve higher initial cost
Description : Ceramic recuperators compared to metallic recuperators for the same duty (A) Are lighter (B) Occupy more space (C) Are less costly (D) Have higher pressure differential between flue gas & air side
Last Answer : (B) Occupy more space
Description : At triple point (for one component system), vapour pressure of solid as compared to that of liquid will be (A) More (B) Less (C) Same (D) More or less; depending on the system
Last Answer : (C) Same
Description : Compared to fresh Water, the freezing point of sea water is - (1) Higher (2) Lower (3) Same (4) Depends on the sea from which the water is sourced
Last Answer : (2) Lower Explanation: Ocean water freezes just like freshwater, but at lower temperatures.
Description : On average, how do low clouds affect the surface temperature (compared to a clear sky)? (a) Low clouds warm the surface by increasing the greenhouse effect (b) Low clouds cool the surface by ... surface by increasing the albedo (d) It depends on whether they are comprised of ice or liquid water
Last Answer : (c) Low clouds cool the surface by increasing the albedo
Description : On average, how do high clouds affect the surface temperature (compared to a clear sky)? (a) High clouds warm the surface by increasing the greenhouse effect (b) High clouds cool the surface ... surface by increasing the albedo (d) It depends on whether they are comprised of ice or liquid water
Last Answer : High clouds warm the surface by increasing the greenhouse effect
Description : Why does liquid water take the shape of the cup but solid ice cubes do not?
Last Answer : Solids have their own shape that does not depend on the container; the molecules in a solid are stronger linked.
Description : Dry ice is ------? A. Methane hydrate B. Liquid Nitrogen C. Solid Carbon dioxide (Answer) D. Frozen Water E. None of these
Last Answer : C. Solid Carbon dioxide (Answer)
Description : Do solid black cats suffer more from extreme hot weather than lighter colored cats?
Last Answer : Possibly, but it probably depends much more on thickness and length of coat. Shaving cats is popular in the summer months even though it makes them look demonic to help them deal with the heat.
Description : Polypropylene compared to polythene is (A) Harder (B) Stronger (C) Lighter (D) All (A), (B) and (C)
Last Answer : (D) All (A), (B) and (C)
Description : Coke oven gas compared to blast furnace gas is (A) More explosive and inflammable (B) Less poisonous (C) Lighter (D) All (A), (B) and (C)
Description : A liquid would wet the solid, if adhesion forces as compared to cohesion forces are (A) Less (B) More (C) Equal (D) Less at low temperature and more at high temperature
Last Answer : Answer: Option B
Description : is an ice lolly a solid liquid or gasIs juice a solid liquid or gas?
Last Answer : liquid
Description : Pipelines in cold countries often burst in winter, because – (1) Water freezes and expands in its volume (2) Temperature of ice is less than that of water (3) Pipelines contract in their volume (4) Pipelines expand due to freezing
Last Answer : (1) Water freezes and expands in its volume Explanation: Water expands on freezing. When liquid water is cooled, it contracts like one would expect until a temperature of approximately 4 degrees ... it expands by approximately 9%. The fact that water expands upon freezing causes icebergs to float.
Description : Give scientific reasons (in not more than four lines each) for the following: (i) Meat takes longer to cook on the mountains (ii) Water remains cool in earthen pitchers (iii) Ice and salt ... to sleep under trees during the night. (v) Greenhouse operators paint their glass roofs white in summer.
Last Answer : (i) Meat takes longer to cook on the mountains: The atmospheric pressure decreases as the altitude increases. The boiling point of water is 100 c at standard atmospheric pressure. At the mountains this ... of light to a maximum. And therefore white colour is painted on the roofs in the summer.
Description : Pipelines in cold countries often burst in winter, because (1) water freezes and expands in its volume (2) temperature of ice is less than that of water (3) pipelines contract in their volume (4) pipelines expand due to freezing
Last Answer : water freezes and expands in its volume
Description : LPG when brought to atmospheric pressure & temperature will be a (A) Liquid lighter than water (B) Liquid heavier than water (C) Gas lighter than air (D) Gas heavier than air
Last Answer : (D) Gas heavier than air
Description : If water contracts on freezing, which of the following would happen? (a) Icebergs will completely float on the surface of water (b) Ice would become more dense (c) Lakes would freeze from top to bottom (d) Rocks will crack due to freezing of internal water
Last Answer : Ans:(b)
Description : What is the temperature when water and vapor are in equilibrium with the atmospheric pressure? a. Ice point b. Steam point c. Critical point d. Freezing point
Last Answer : Steam point
Description : What is the temperature when water and vapor are in the equilibrium with the atmospheric pressure? a. Ice point b. Steam point c. Critical point d. Freezing point
Description : Paul Robeson testified before the house un-American activities committee to argue that?
Last Answer : Racial inequality was against American principles (APEX 2021)
Description : A gas thermometer is more sensitive than a liquid thermometer because a gas: (1) is lighter than liquid (2) expands more than a liquid (3) is easy to obtain (4) does not change state easily
Last Answer : (4) does not change state easily Explanation: Gas is easily compressed so it would have a more versatile range of measurement at least in our atmospheric conditions. Liquid is not so ... apparatus is a constant volume thermometer. Gas thermometers are often used to calibrate other thermometers.
Description : Gas thermometers are more sensitive than the liquid thermometers because the gases – (1) have large coefficient of expansion (2) are lighter (3) have low specific heat (4) have high specific heat
Last Answer : (1) have large coefficient of expansion Explanation: Gases are more sensitive to the temperature than liquids (such as mercury). That means gas expands more than the mercury for the same increase of temperature. Hence the has thermometer is more sensitive than liquid (mercury) thereto-meter.
Description : Gas thermometers are more sensitive than the liquid thermometers because of the gases - (1) have low specific heat (2) have high specific heat (3) have large coefficient of expansion (4) are lighter
Last Answer : (1) have low specific heat Explanation: Gas thermometers are more sensitive because gas has low specific heat than liquids.
Description : Gas thermometers are more sensitive than the liquid thermometers because the gases (1) have large coefficient of expansion (2) are lighter (3) have low specific heat (4) have high,specific heat
Last Answer : have large coefficient of expansion
Description : A gas thermometer is more sensitive than a liquid thermometer because a gas : (1) is lighter than liquid (2) expands more than a liquid (3) is easy to obtain (4) does not change state easily
Last Answer : does not change state easily
Description : What would happen if you put dry ice into a closed plastic container?
Last Answer : the container would pop open
Description : How long does 1 of dry ice last in a 10 gal container?
Last Answer : Need answer
Description : when do I prune a rose bush that got caught in ice and freezing temp
Last Answer : Need Answer
Description : When lake starts freezing the formation of the ice will start first at which point? -Do You Know?
Last Answer : This process continues until all the water in the lake is at 4° C, when the density of water is at its maximum. With further cooling (and without mechanical mixing) a stable, lighter layer of water forms ... As this layer cools to its freezing point, ice begins to form on the surface of the lake."
Description : How many joules of heat are necessary to melt 500 g of ice at it's freezing point?
Last Answer : Heat required to melt 1 g of ice at 0°C is approximately 80 cal . This is also called latent heat of fusion of ice.
Description : (2) stabilise the colloid and prevent crystallisation Explanation: Gelatine, being a colloid, has the property of preventing crystallization. In ice lollies and icecream this is demonstrated by the formation ... does not become grainy or sandy due to the slow crystallisation of lactose with time.
Last Answer : Glycol is added to aviation gasoline because it - (1) reduces evaporation of petrol (2) increases efficiency of petrol (3) prevents freezing of petrol (4) reduces consumption of petrol
Description : When lake starts freezing the formation of the ice will start first at which point?
Last Answer : Top
Description : Ice and salt mixture is used as a freezing agent by manual ice-cream makers.
Last Answer : Ans: In manual ice-cream making a mixture of salt and ice is always used because salt has capacity to reduce the temperature of ice by decreasing its freezing point. That’s why ice and salt mixture is used as freezing agent in manual ice cream making.
Description : A rectangular tank 10 m x 5 m in plan and 3 m deep is divided by a partition wall parallel to the shorter wall of the tank. One of the compartments contains water to a depth of 3 m, and the other a lighter ... pressure thrust on the partition wall is (a) 1000 kg (b) 1500 kg (c) 2000 kg (d) 2500 kg
Last Answer : Correct Answer is 15000 kg
Description : The temperature at which both liquid and gas phases are identical, is called the __________ point. (A) Critical (B) Triple (C) Freezing (D) Boiling
Last Answer : (A) Critical
Description : An essay can have many purposes, but the basic structure is the same no matter what. You may be writing an essay to argue for a particular point of view or to explain the steps necessary to complete a?
Last Answer : This question is actually not in a question form there for I do not know how to answer to this. Also it does not pertain to the topic of cell phones.
Description : Pick out the correct statement. (A) If an insoluble gas is passed through a volatile liquid placed in a perfectly insulated container, the temperature of the liquid will increase (B) A ... compound is defined as the heat of reaction leading to the formation of the compound from its reactants
Last Answer : (D) The heat of formation of a compound is defined as the heat of reaction leading to the formation of the compound from its reactants
Description : In cold countries alcohol is preferred to mercury as a thermometric liquid because (a) alcohol is a better conductor of heat (b) alcohol can be coloured and its level seen easily (c) alcohol has a lower freezing point than mercury (d) alcohol is cheaper than mercury
Description : You are given a set of scales and 12 marbles. The scales are of the old balance variety. That is, a small dish hangs from each end of a rod that is balanced in the middle. The device enables ... than the others. You are asked to both identify it and determine whether it is heavy or light -Riddles
Last Answer : Most people seem to think that the thing to do is weight six coins against six coins, but if you think about it, this would yield you no information concerning the whereabouts of the only different coin. ... . The heavier one is the different coin. If they balance, then 2 is a different light coin.
Description : (3) prevents freezing of petrol Explanation: Ethylene glycol (IUPAC name: ethane-1,2-diol) is an organic compound widely used as an automotive antifreeze and a precursor to polymers. In its pure form, it is ... A mixture of 60% ethylene glycol and 40% water freezes at -45 degree C (- 49 degree F).
Last Answer : Rust is - (1) A mixture of Fe₂O₃ and Fe(OH) ₂ (2) A mixture of FeO and Fe(OH)₂ (3) FeO only (4) A mixture of Fe₂O₃, 3H₂O and FeO