Q1. Write any 4 properties of gases.

Q: Explain in terms of the Kinetic Molecular Theory the following situations: a) Why does compressing…

A: Kinetic molecular theory is bassed upon the interactions of molecules and movement of molecules…

Q: Two liters of liquid A are mixed with two liters of liquidB. The resulting volume is only 3.95 L.…

A: A solution is said to show -ve deviation if the measured partial vapor pressures of the components…

Q: The density of an aqueous solution containing 40.0% sulfuric acid (H2SO4) by mole is 1.681 g/mL. c)…

A:

Q: (a) The sodium ion did not take part in this chemical reaction(Diluted H2SO4(aq) versus NaOH(aq)).…

A: The ion which doesn't take part in a reaction calls spectator ion. So here Na ion is spectator ion.

Q: How does the solubility in water give you information about the bonding in a substance? Criteria: I…

A: To explain: The nature of bonding in the substance based on its solubility in water.

Q: A sample of concentrated nitric acid has a density of1.41 g/mL and contains 70.0% HNO₃by mass.(a)…

A: Given: Density = 1.41g/mL Mass % of HNO3 = 70.0% We need to find the mass of HNO3 and Molarity of…

Q: Is water available in ethanol?

A: Ethanol is an organic chemical compound. It is a primary alcohol. Its formula is CH3−CH2−OH. It…

Q: A solution was prepared by dissolving 1.058 g of NAOH pellets with 100 mL of distilled water and…

A:

Q: Nitric acid is usually purchased in a concentrated form that is 70.3% HNO3 by mass and has a density…

A:

Q: 5. How many grams of potassium sulfate would be recovered by evaporating 623 mL of 22.5 % potassium…

A: Mass = Volume x density %Mass = 100 x Mass of solute/Mass of solution Number of moles = Molarity x…

Q: freezing

A:

Q: The mass of solute per 100 mL of solution is abbreviated as (m/v). Mass is not technically the same…

A: Since 33 % (w/v) => that we have 33 g of sucrose in 100 mL solution as it is mentioned that mass…

Q: Write the correct phase symbols next to each term. A through F A. Iron in elemental form _______ B.…

A: Given,  A. Iron in elemental form _______B. A solution of sodium nitrate ______C. Water ______D.…

Q: Muriatic acid is the commercial name for hydrochloric acid that can be purchased from hardware…

A: Consider the given information is as follows; Percent weight/weight = 33% Mass of HCl (solute) = 5.5…

Q: “Concentrated” hydrochloric acid is an aqueous solution of 37.2% HCl that is commonly used as a…

A: 37.2 % HCl means that 37.2 g of HCl is present in 100 g of solution.

Q: what is a solvent?

A: Solvent are those substance which provide a medium for a reaction to occur.

Q: A 12.5 mL portion of a base solution of an element from Group 2A is diluted to 500 mL, and the…

A: Initial volume of base solution (of elements group 2A ) = 12.5 ml  New Volume of base solution = 500…

Q: A 1M NaOH solution must be prepared, using 40 g of sodium hydroxide to that end. Up to which volume…

A: Given : Mass of sodium hydroxide i.e NaOH = 40 g And concentration of NaOH = 1 M

Q: 1. A blood serum sample is analyzed and found to contain 102.5 µg Ca*/mL serum. The density of the…

A: 1. Here we will calculate concentration of Ca2+ with different unit. The density of the serum is…

Q: *10. An antifreeze solution is made by mixing ethylene glycol(r 5 1116 kg/m3 ) with water. Suppose…

A:

Q: Your know-it-all classmate just explained to the class that NaCl is a gas because the line on the…

A: The solubility of a solute in a particular solvent is the concentration of its saturated solution at…

Q: Fill in the Blanks Chemical Price/kg (in dollars) NaOH 21.17 CaCl2 41.28 КОН 31.38 CuSO4 93.32…

A: Solution is provided in the image below.

Q: 1. A blood serum sample is analyzed and found to contain 102.5 ug Ca2*/mL serum: The density of the…

A:

Q: How many grams of KBr are contained in 161 g of a 6.66% by mass KBr solution? g KBr

A:

Q: A chemist samples a river's water to measure the amount of fertilizer runoff from the area farms. In…

A: Given , mass of Nitrate (solute) = 562 microgram  = 562 X 10-6 gram (As , 1 microgram = 10-6 gram)…

Q: Water and acetonitrile, CH3CN, are miscible (can be mixed in any proportions). However, when water…

A: The given statement indicates that the solution of water and acetonitrile shows deviation from…

Q: A mixture is made by mixing equal volumes of corn syrup (d=1.4 g/mL, C6H14O7) and water (d=1.0 g/mL)…

A:

Q: For convenience, one form of sodium hydroxide that is sold commercially is the saturated solution.…

A: Concentration of the stock solution of sodium hydroxide saturated solution is given as 19.4 M.…

Q: 240 220 200 NaCIO3 180 4KNO3 160 140 KBr 120 100 NaCI 20 40 100 120 Temperature (°C) Solubility…

A: Solubility is defined as the amount of a substance dissolved per 100 g of a solvent at a particular…

Q: What conclusions can you draw about the solubility of gases as temperature increases? Figure 3…

A: As we know that the solubility of the gases in the solvent depends on the temperature and pressure…

Q: A solid that forms when liquids are mixed during a chemical reaction is called: O an enzyme O a…

A:

Q: How many grams of CaCl, are needed to make 474.8 g of a solution that is 32.0% (m/m) calcium…

A: We have given 32% (m/m) solution of CaCl2 Mass of solution is 474.8 g Mass of CaCl2 =? Mass of water…

Q: What is the difference between dissolving and melting

A: We need to write the differences between melting and dissolving.

Q: Question 23 A student pours vegetable oil and water together into a cup. Two distinct layers form…

A: Answer is option (B) immiscible

Q: 1. Zinc metal reacts with aqueous hydrochloric acid to produce zinc(II) chloride and hydrogen gas.…

A:

Q: What mass of phosphoric acid is needed to react with 102 ml of 3.1 M calcium hydroxide? Please…

A: i) Normality of Ca(OH)2 : Since Ca(OH)2 is a di acidic base , n-factor =2 N = M x n -factor     =…

Q: Please note that "y" values are plotted versus "x" values. For example, if you are asked to plot…

A: While plotting the solubility versus temperature graph, the y- axis would be labelled in solubility…

Q: An aqueous solution of acetone is made by transfering 38.1 mL of liquid acetone to a 500. mL…

A:

Q: 24.71 cm (24.71 m) of this solution is delivered from a buret, what amount of HCI has been…

A: Molarity is defined as the ratio of the number of moles of solute to the volume of solution in…

Q: Q1. Write any 4 properties of gases and liquids.…

A: Properties of gases:- Low Density. Gases contain scattered molecules that are dispersed across a…

Q: Pb(NO3)2 is placed in water. Please predict the physical state using our solubility rules from…

A: Pb(NO3)2 is soluble in water , so it is in aqueous form in water.

Q: A solution is prepared by dissolving 133 g of NaCl in 947 g water to make a total solution volume of…

A: a) Molarity = moles of NaCl / volume of solution (in L)                    = mass of NaCl/Molar mass…

Q: The dictionary defines homogeneousas “uniform in compo-sition throughout.” River water is a mixture…

A: Heterogeneous mixture: A mixture in which components combine to give a non-uniform composition is…

Q: 1. What type of dilution is this? 2. Please place the dilution factor under each tube 3. Which is…

A: Since you have posted questions with multiple sub-parts we will solve the first three for you. To…

Q: If you by accident add more water than needed to your flask would the determined concentration of…

A: The solution becomes more dilute when water is added to a solution.

Q: 1.44 grams of a sample of marble (impure calcium carbonate) dissolved in 40 ml of 1.0 normality (N)…

A: Introduction: Molarity and Normality is often used to express the concentration of the solution.…

Q: A solution of HCI is standardized against a sample which has been previously found to contain 71.22%…

A: Given: Weight of Na2CO3 sample= 0.5962 g Purity of sample = 71.22 %

Q: According to the label on a bottle of concentrated hydrochloric acid, the contents are 36.0% HCl by…

A: By considering the total mass of the solution be 100 g. The amount (m) of HCl present is 36.0 g. The…