Description : How many grams of ice are formed when 100g of steam turn to water and then to ice?
Last Answer : There is no mass loss (nor gain) in state change, so there wouldbe 100 grams of ice formed.
Description : What would human caviar look like? How would it taste? And what would be the price for a 100g tin?
Last Answer : Probably would taste like HEP-C if there is a flavor for that.
Description : Calculate the energy released in kilowatt-hours when 100g of `._(3)^(7)Li` are converted into `._(2)^(4)He` by proton bombardment. Mass of `._(3)^(7)L
Last Answer : Calculate the energy released in kilowatt-hours when 100g of `._(3)^(7)Li` are converted into `. ... = 1.0081 amu. Write down the nuclear reaction.
Description : What is greater 1kg or 100g?
Last Answer : 1
Description : What is 710 of 100g?
Last Answer : 100g x 10 = 1kgAnswer: 71kg
Description : How many mols in 100g of KMnO4?
Last Answer : 0.006327754
Description : What is Potassium Nitrate ( KNO3) known in Bangladesh ?
Last Answer : Salt Peter or Nitrate of Potash.
Description : How many atoms are in 2 KNO3?
Last Answer : The number of atoms in two formula units of potassium nitrate is 10.
Description : What are Two Reasons why the percent composition of Zn(No3)2 plus 2 KOH Zn(OH)2 plus 2 KNo3 is not 100?
Last Answer : Your question is not clear: the mass of products is equal to the mass reactants.
Description : How do you balance KNO3 plus H2CO3 K2CO3 plus HNO3?
Last Answer : 2KNO3 + H2CO3 ==> K2CO3 + 2HNO3 would be the balanced equation but since all of the species are ionizable and soluble, this reaction won't actually take place.
Description : Out of (a) 0.01 M KNO3 , (b) 0.01 M Na2 SO4 which aqueous soln. will exhibit high B. P.?
Last Answer : (a) 0.01 M Na2 SO4
Description : Which of the following is not used as a medium for high temperature heating ? (A) Dowtherm (B) Mercury (C) Liquid metal (e.g. molten sodium) (D) Fused salts (e.g., an eutectic mixture of 53% KNO3 , 40% NaNO2and 7% NaNO3 )
Last Answer : (B) Mercury
Description : Murate of potash is (a) K2SO4 (b) KCI (c) KNO3 (d) K2HPO4
Last Answer : (b) KCI
Description : Raw materials required for the production of CAN (Calcium ammonium nitrate) is NH3 (A) HNO3 & limestone (B) CO2 & H2SO4 (C) HNO3 & NH4Cl (D) CO2 & KNO3
Last Answer : (A) HNO3 & limestone
Description : Potassic fertiliser is graded based on its __________ content. (A) KCl (B) K2O (C) KNO3 (D) K2SO4
Last Answer : (B) K2O
Description : Fertiliser value of a nitrogenous fertiliser is expressed in terms of its __________ content. (A) N2 (B) KNO3 (C) NO2 (D) NHO3
Last Answer : (A) N2
Description : Pyridine reacts with a mixture of KNO3 and H2SO4 at 300°C to give (a) 1-Nitropyridine (b) 2-Nitropyridine (c) 3-Nitropyridine (d) 4-Nitropyridine
Last Answer : 3-Nitropyridine
Description : Inside the ____ is a gas generator containing a mixture of NaN3 (Sodium Azide), KNO3 (Potassium Nitrate) and SiO2 (Silicon Dioxide). When the undesired event happens, an electric circuit is ... chemical reactions generate nitrogen gas that fills ____ in 20 to 30 milliseconds. Fill up the blank
Last Answer : Air-bags in automobiles.
Description : When conc. H2 SO4 is added to dry KNO3 , brown fumes are evolved. These fumes are due to (1) SO3 (2) SO2 (3) NO2 (4) N2O
Last Answer : NO2
Description : A pungent smelling gas X after being dried by concentrated `H_2SO_4` was dissolved in water to give strongly acidic solution. The gas also gives dense
Last Answer : A pungent smelling gas X after being dried by concentrated `H_2SO_4` was dissolved in water ... `CO_2` from the solution of sodium hydrogencarbonates.
Description : 10g sample of bleaching powder was dissolved into water to make the solution one litre. To this solution 35 mL of 1.0 M Mohr salt solution was added c
Last Answer : 10g sample of bleaching powder was dissolved into water to make the solution one litre. To this solution 35 ... Cl_(2)` approximately is (mol wt = 71)
Description : The species present in solution when `CO_(2)` is dissolved in water is/are:
Last Answer : The species present in solution when `CO_(2)` is dissolved in water is/are: A. `CO_(2), H_(2)CO_(3), HCO_(3)^ ... (3)^(-)` D. `CO_(2), H_(2)CO_(3)`
Description : Which of the following compounds when dissolved in water, gives a solution with pH less than seven ?
Last Answer : Which of the following compounds when dissolved in water, gives a solution with pH less than seven ? A. `CH_(3)COCH_( ... (5)NH_(2)` D. `C_(2)H_(5)OH`
Description : What happens when? a) A cleaned iron plate or iron nail is kept in 10g of copper sulphate solution. b) A pinch of mercuric oxide is kept in a test tube. c)A small crystal of silver nitrate is dissolved in distilled water and a drop of ammonium hydroxide & a pinch of glucose powder are added.
Last Answer : a) A cleaned iron plate or iron nail is kept in 10g of copper sulphate solution. After a few hours a coating of copper is seen on iron nail/plate. It is based on displacement reaction. ... on the inner walls of the test tube. Aldehyde group in glucose reduced silver nitrate to metallic silver.
Description : The enthalpy change when ammonia gas is dissolved in water is called the heat of (A) Solution (B) Formation (C) Dilution (D) Combustion
Last Answer : (A) Solution
Description : On opening the soda water bottle the dissolved CO2 comes out, would the pH of the solution increase or decrease as the gas comes out? Give reason.
Last Answer : Answer. The pH of soda water increases. Because soda contains carbonic acid which is the weak one. When CO2 escape the carbonic acid’s strength weakens and therefore pH would increases.
Description : 20 gram of caustic soda are dissolved in water to prepare 500 ml of solution. Find the normality and molarity of solution.
Last Answer : Basis: 500 ml solution. Weight of solute = 20 gm Molecular weight of NaOH = 40 Gram moles of solute = 20/40 = 0.5 Molarity = Gram moles/ Volume of solution in lit 0.5/0.5 = 1 M Normality = gram equivalent of solute/ volume of solution in lit = 0.5/0.5 = 1N
Description : When CO2 (carbon dioxide) is dissolved in water, i yields a solution that: a) has acidic properties b) has basic properties c) is neutral
Last Answer : ANSWER: A -- HAS ACIDIC PROPERTIES
Description : A solution is (1) a homogeneous mixture of two or more substances (2) a solid dissolved in a liquid (3) a solid dissolved i water (4) a mixture of two liquids
Last Answer : a homogeneous mixture of two or more substances
Description : a) 110 g of salt is present in 550g of solution. Calculate the concentration of solution. b) 10 ml of H2SO 4 is dissolved in 90 ml of H2O. Calculate the concentration of solution. -Chemistry
Last Answer : The concentration of salt is determined by the division of mass of the solute by the mass of the solution and the percentage is obtained by multiplying the value by 100. The quotient of the division of 110 by 550 is 0.2 here. So after multiplying it with 100, it is 20%. So the concentration is 20%.
Description : When 25 g of `Na_(2)SO_(4)` is dissolved in `10^(3)` Kg of solution, its concentration will be
Last Answer : When 25 g of `Na_(2)SO_(4)` is dissolved in `10^(3)` Kg of solution, its concentration will be A. 2.5 ppm B. 25 ppm C. 250 ppm D. 100 ppm
Description : To measure the quantity of `MnCl_(2)` dissolved in an queous solution, it was completely converted to `KMnO_(4)` using the reaction `MnCl_(2)+K_(2)S_(
Last Answer : To measure the quantity of `MnCl_(2)` dissolved in an queous solution, it was completely converted to `KMnO_(4)` ... g `mol^(-1)`: Mn=55,Cl=35.5)
Description : Is a solid is dissolved to make a solution used to clean jewellery physical or chemical?
Last Answer : jhzeiusduhjreest
Description : What term describes a substance that can be dissolved in solution?
Last Answer : What is the answer ?
Description : What no more solute can be dissolved in the solvent the solution is what?
Last Answer : The word you're looking for is..... saturated.
Description : When you open a bottle of carbonated cola you see bubbles of gas bursting from the surface. What can you infer about the amount of gas dissolved in the solution before you opened the bottle?
Last Answer : If gas comes out of solution when a bottle is opened, then there must have been a greater amount of dissolved gas in the substance while it was under pressure prior to opening the bottle.
Description : What is a solution A. a solid dissolved in a gas B. a solute and a solvent C. a liquid dissolved in a gas D. an amalgam of solids, liquids, and gases?
Last Answer : B. A solute and a solvent
Description : (1) a homogeneous mixture of two or more substances Explanation: A homogeneous mixture of two or more substances uniformly dispersed throughout a single phase is called solution. In such a mixture, a ... the solvent including its phase, and the solvent is commonly the major fraction of the mixture.
Last Answer : Choose the incorrect statement pertaining to organic compounds - (1) They have low melting and boiling points (2) They do not dissolve in water (3) They are not easily combustible (4) They contain mainly carbon and hydrogen
Description : If a 2% solution of sewage sample is incubated for 5 days at 20°C and the dissolved oxygen depletion was found to be 8 mg/l. The BOD of the sewage is A. 100 mg/l B. 200 mg/l C. 300 mg/l D. 400 mg/l
Last Answer : ANS: D
Description : The phenomenon occuring during pumping of a liquid solution containing dissolved gases, which may come out of the solution giving rise to gas pockets, is termed as (A) Evaporation (B) Cavitation (C) Sublimation (D) Stripping
Last Answer : (B) Cavitation
Description : HCl is dissolved in solvent A; the solution is non-conducting towards an electric current. Solvent A must be: w) polar x) non-polar y) organic z) more acidic than HCl
Last Answer : ANSWER: X -- NON-POLAR
Description : What is the osmolarity of a solution containing 100 grams of KCl in 250 ml of water?
Last Answer : moles of KCl = 100 g x 1 mole/74.5 g = 1.34 molesvolume = 250 ml= 0.25 Lmolarity = moles/liter = 1.34 moles/0.25 L = 5.37 MSince KCl dissociates completely into K+ and Cl-, you have 5.37M of each = total of 10.74 osmolar
Description : How many grams of CH3OH must be added to water to prepare 150 mL of a solution that is 4.5 M CH3OH?
Last Answer : The answer is 9.6 grams.
Description : What is the molality of a salt solution prepared by dissolving two moles of salt in 500 grams of water?
Last Answer : ANSWER: 4
Description : What is the strength (expressed as a percentage) of a 200 milliliter solution that contains 20 grams of dextrose?
Last Answer : The mass/mass percentage is 9.09 % (with the underlined digitsrepeating)
Description : How many grams of KI are in 25.0ml of a 3.0 (mv) KI solution?
Last Answer : The solution contain 12,47 g KI.
Description : How would you make 100 grams of a saltwater solution that is 20 percent salt.?
Last Answer : Need answer