Description : The combustion of one mole of propane, C3H8, produces how many moles of H2O? (a) 2 (b) 3 (c) 4 (d) 5
Last Answer : 4
Description : What volume is occupied by 10 moles of ammonia NH3 at standard conditions?
Last Answer : The volume of ammonia is 244,652 L.
Description : What is the volume occupied by 4 moles of hydrogen molecules (H2) at standard conditions?
Last Answer : The volume of hydrogen is 97, 86 L.
Description : What volume is occupied by 4 moles of hydrogen molecules (h2) at standard conditions?
Description : What is the volume occupied by one mole of a gas under standard conditions called?
Last Answer : ANSWER: A MOLAR VOLUME
Description : How many moles of C3H8 contain 4.95 1024 hydrogen atoms?
Last Answer : What is the answer ?
Description : A cylinder contains 640 gm of liquid oxygen. The volume occupied (in litres) by the oxygen, when it is released and brought to standard conditions (0°C, 760 mm Hg) will be __________ litres. (A) 448 (B) 224 (C) 22.4 (D) Data insufficient; can't be computed
Last Answer : (A) 448
Description : The specific volume of air is expressed as the volume of: a. 1 kg of air at 101.325 kPa in cm3 b. 0.833 kg of air at standard pressure and temperature in m3 c. 1 kg of air at 101.325 ... d. 1 g of air occupied at any temperature and pressure e. 1 kg of air, regardless of temperature and pressure
Last Answer : Answer: C
Description : Main constituent of natural gas is (A) CH4 (upto 90%) (B) C2H6 (C) C3H8 (D) H2
Last Answer : (A) CH4 (upto 90%)
Description : what is the density of CO GAS IF 0.196 g occupied a volume of 100 ml?
Last Answer : 100ml = 1 dm3 0.196g = 196x10-6kg Density = mass/volume Density of CO = 196x10-6 / 1 = 196x10-6 kg/dm3
Description : As compared to the volume occupied by gas, the volume of particles is A. more B. infinite C. negligible D. less than the volume of gas
Last Answer : negligible
Description : Space occupied by gas is A. area B. volume C. space D. mass
Last Answer : volume
Description : How many C atoms are present in the sample of C3H8 with mass 5.31 g?
Last Answer : Need answer
Description : A compound of formula C3H8 does not react with bromine in CCl4 in the dark. The compound could be (a) Alkane (b) Cycloalkane (c) Alkene (d) Cycloalkene
Last Answer : Alkane
Description : If heat contents of CH4, C2H4 and C3H8 are -17.9, 12.5 and -24.8 kcal/mole respectively, than ΔH for the reaction CH4(g) + C2H4(g) ⇌ C3H8(g) will be __________ Kcal. (A) -19.4 (B) -30.2 (C) 55.2 (D) -55.2
Last Answer : (A) -19.4
Description : Can I use any standard propane tank with the Weber Performer gas grill?
Last Answer : The Weber Performer is a charcoal grill with propane assisted lighting. It uses mini-propane tanks.
Description : What volume of oxygen gas `(O_(2))` measured at `0^(@)C` and 1 atm, is needed to burn completely 1L of propane gas `(C_(3)H_(8))` measured under the s
Last Answer : What volume of oxygen gas `(O_(2))` measured at `0^(@)C` and 1 atm, is needed to burn completely 1L of propane gas ... ? A. 5 L B. 10 L C. 7 L D. 6 L
Description : For which pair of the fuel gases, calorific value (C.V.) of one fuel is almost double that of the other on volume basis (i.e., kcal/Nm3 ), while the C.V. is same on weight basis (i.e., kcal/kg)? (A) Propane and acetylene (B) Propane and LPG (C) Sewage gas and gobar gas (D) B.F. gas and coke oven gas
Last Answer : (A) Propane and acetylene
Description : For which pair of the fuel gases, calorific value (C.V.) of one fuel is almost double that of the other on volume basis (i.e., kcal/Nm3) while the C.V. is same on weight basis (i.e., kcal/kg)? (A ... and acetylene (B) Propane and LPG (C) Sewage gas and gobar gas (D) B.F gas and coke oven gas
Last Answer : D) B.F gas and coke oven gas
Description : a gas has a pressure of 766.7 torr at a temperature of 10.0°C. the sample contains 2.35 moles of xenon. what is the volume of the gas in liters?
Last Answer : Using PV=nRT, 10.0ºC = 283.15ºK, R = 62.36 L torr/mol KV= (nRT)/PV = (2.35m*(62.36 L torr/mol K)*283.15ºK)/766.7 TorrV = 54.12 L
Description : Nitrogen gas is filled in a container of volume 2.32 L at 32°C and 4.7 atm pressure. Calculate the number of moles of the gas.
Last Answer : Nitrogen gas is filled in a container of volume 2.32 L at 32°C and 4.7 atm pressure. Calculate the number of moles of the gas.
Description : When a gas of 3.4 moles occupies a volume of 40.6 L at 298 K what is the pressure of the gas in kPa?
Last Answer : The pressure is 207,5 kPa.
Description : How many moles of an ideal gas will occupy a volume of 20 liters at 3.5 ATM and 280K?
Last Answer : The number of moles is 3,046.
Description : In a reversible chemical reaction (where, Δx = number of moles of products-number of moles of reactants) (A) Addition of inert gas favours the forward reaction, when Δx is positive (B) Pressure has no effect on equilibrium, when Δn = ... any value of Δx (+ ve, - ve) or zero) (D) All 'a', 'b' & 'c'
Last Answer : D) All 'a', 'b' & 'c'
Description : The volume occupied by 4.4 gram of `CO_(2)` at STP is :-
Last Answer : The volume occupied by 4.4 gram of `CO_(2)` at STP is :- A. 22.4 L B. 2.24 L C. 0.224 L D. 0.1 L
Description : Volume occupied one molecule of water `(density = 1g cm^(-3))` is :-
Last Answer : Volume occupied one molecule of water `(density = 1g cm^(-3))` is :- A. `3.0 xx 10^(-23) cm^(3)` B. `5.5 ... 23) cm^(3)` D. `6.023 xx 10^(-23) cm^(3)`
Description : In a ball mill, the volume occupied by the balls (when the mill is stopped) is about __________ percent of the volume of the mill. (A) 35 (B) 50 (C) 70 (D) 85
Last Answer : (B) 50
Description : Calculate the volume occupied by 10 mole of CO2 at STP.
Last Answer : Ans. 1 mol of CO2 at STP = 22.7 L 10 mole of CO2 at STP = 22.7 x 10 =227 L
Description : Pick out the wrong statement pertaining to the rotary dryer. (A) Flights (located in the inside shell of rotary dryer) lift the material being dried and shower it down through the current of ... D) Recommended peripheral speed of a rotary drier is in the range of 10 to 30 metres/minute
Last Answer : (C) Rotary dryer is suitable for drying sticky materia
Description : Pick up the incorrect statement from the following: (A) No deduction is made for the volume occupied by reinforcement (B) No deduction is made for the openings upto 0.1 sq.m (C) No deduction is made for volumes occupied by pipes, not exceeding 100 sq.cm in crosssection (D) None of these
Last Answer : (D) None of these
Description : The activities of the cine club will conclude early next year owing to the volume of work that has kept its members occupied. (1) continue (2) commence (3) comprehend (4) conduct
Last Answer : (2) commence
Description : Standard air is the: a. Mass of 1 cubic meter of dry air at 20°C and atmospheric pressure b. Mass of a cubic meter of air at atmospheric conditions c. Volume of air at ambient temperature and atmospheric pressure ... pressure at sea level or 101.325 kPa e. Volume of 1 kg of air at 15°C and 100 kPa
Last Answer : Answer: D
Description : Equal masses of oxygen, hydrogen and methane are taken in a container in identical conditions. Find the ratio of their moles.
Last Answer : Equal masses of oxygen, hydrogen and methane are taken in a container in identical conditions. Find the ratio of their ... 1 : 8` D. `16 : 1 : 8`
Description : Under anaerobic conditions the glycolysis one mole of glucose yields __ moles of ATP. (A) One (B) Two (C) Eight (D) Thirty
Last Answer : B
Description : The concentration of sodium ions in the standard WHO oral rehydration solution is: A. 40 m moles/L B. 60 m moles/L C. 90 m moles/L D. 110 m moles/L
Last Answer : C. 90 m moles/L
Description : At `25^(@)` C for complete combustion of 5 mol propane `(C_(3)H_(8))` . The required volume of `O_(2)` at STP will be .
Last Answer : At `25^(@)` C for complete combustion of 5 mol propane `(C_(3)H_(8))` . The required volume of `O_(2)` at ... . A. 560 L B. 560 mL C. 360 L D. 360 mL
Description : The pressure gauge on a 2000 m³ tank of oxygen gas reads 600 kPa. How much volumes will the oxygen occupied at pressure of the outside air 100 kPa? a) 14026.5 m³ b) 15026.5 m³ c) 13026.5 m³ d) 16026.5 m³ Formula: P1V1/T1 =P2V2/T2
Last Answer : 14026.5 m³
Description : What volume of `O_(2)` is liberated when 3 moles of `SO_(2)` reacts with sufficient volume of `O_(3)`
Last Answer : What volume of `O_(2)` is liberated when 3 moles of `SO_(2)` reacts with sufficient volume of `O_(3)` A. Zero B. 2 Vol C. 3 Vol D. `0.5` Vol
Description : What is the volume of 2 moles of ammonia at room pressure?
Last Answer : The volume is 46,66 L.
Description : What is the volume of 2 moles of ammonia at room temperature?
Description : What volume in mL of a 0.10 M NaOH solution would be required to neutralize 0.0091 moles of CH3COOH in a given vinegar sample?
Last Answer : The volume of NaOH is 99 mL.
Description : An adult human lung has a volume of 2.9 liters. If its volume decreases to 1.2 liters and it contains 0.049 mole of air after it exhales, how many moles of air does it contain when full A. 0.025 mol B. 0.041 mol C. 0.083 mol D. 0.12 mol E. 0.14 mol?
Last Answer : An adult human lung has a volume of 2.9 liters. If its volume decreases to 1.2 liters and it contains 0.049 mole of air after it exhales, how many moles of air does it contain when full? A. 0.025 mol B. 0.041 mol C. 0.083 mol D. 0.12 mol E. 0.14 mol
Description : Rate constant for a first order reaction does not depend upon reaction time, extent of reaction and the initial concentration of reactants; but it is afunction of reaction temperature. In a chemical reaction, the time required to ... Then the order of this reaction is: (A) 0 (B) 1 (C) 2 (D) 3
Last Answer : (B) 1
Description : Which of the following is not a unit of reaction rate? (A) Moles for med/(surface of catalyst) (time) (B) Moles formed/volume of reactor) (time) (C) Mole formed/volume of catalyst) (time) (D) None of these
Description : In a first order reaction, the time required to reduce the concentration of reactant from 1 mole/litre to 0.5 mole/litre will be __________ that requiredto reduce it from 10 moles/litre to 5 moles/litre in the ... (A) More than (B) Less than (C) Same as (D) Data insufficient; can't be predicted
Last Answer : (C) Same as
Description : The extensive properties are (A) Volume, mass and number of moles (B) Free energy, entropy and enthalpy (C) Both (A) and (B) (D) None of these
Last Answer : (C) Both (A) and (B)
Description : Pick out the correct statement. (A) Like internal energy and enthalpy, the absolute value of standard entropy for elementary substances is zero (B) Melting of ice involves increase in enthalpy and ... of an ideal gas depends only on its pressure (D) Maximum work is done under reversible conditions
Last Answer : (D) Maximum work is done under reversible conditions
Description : A gaseous organic compound that is best known for its use in preservative solutions has the chemical formula HCHO (read: H - C - H CHEM-92; Short Answer: Give me the name and atomic number ... element is a clear, odorless gas. This element is one of the essential ingredients in the burning process.
Last Answer : ANSWER: OXYGEN ATOMIC NUMBER = 8