Name the hydrated compound with the chemical formula Li2CO3 . 7H2O

Q: Room temperature:   294.0 K Barometric pressure:   763.0 mmHg Vapor of water:   18.6 mmHg Volume of…

A: Given that,Barometric pressure = 763mmHgVapour pressure = 18.6 mmHg

Q: choose the pair of substances that are most likely to form a homogenous solution

A: Homogeneous Solutions are the solutions with uniform composition and solute gets completely…

Q: Given: 0.35g NaCI, 0.25 g NaHCO3, 0.15 g KCI & 2 g C6H1206 are present in 100 mL ORS solution (MW:…

A: Mass of NaHCO3 = 0.25 g Volume of solution = 100 mL Concentration of bicarbonate = ?

Q: If you increase the mass of an aqueous solution by dissolving a salt in water, does the density of…

A: Density may be defined as the mass of a substance per unit volume.  Mathematically,  it can be given…

Q: How many grams of calcium nitrate are present in 3.4 L of a 0.11 M solution of calcium nitrate

A: Using formula of molarity the mass of calcium nitrate can be calculated  Given Molarity = 0.11M ,…

Q: Calculate the Molar mass of a volatile liquid (g/mol) from the following data:- Mass of dry flask,…

A: To calculate the molar mass of the liquid we should know the value of moles of liquid and the mass…

Q: What is the molarity of a solution prepared by dissolving 125 g of C2H6O2 in 850 mL of water

A: Molarity is the ratio of moles of solute to the volume of solution (in L)  Number of moles =…

Q: molarity

A:

Q: Which one of the following statements is False (not correct): o Vapor pressure is an extensive…

A: (a) vapour pressure is an extensive property. False

Q: 14. Which of the following substances has the highest solubility in water? A) O2 B) N2 C) H2 D) CO2

A: "Like dissolves like" is the thumb rule for dissolution of solute in solvent. This means ionic…

Q: Which of the following would have a hydration shell in water?     Na+       Cl-       Ba++…

A: Hydration shells allow particles to be dispersed evenly in water. Water molecules forming hydration…

Q: Which of the following substances is MOST soluble in water? CHCl3 C6H14 C2H5OH C2Br4

A: Water is a polar solvent , so the substance which is more polar among the given substances is most…

Q: Question 19 Which liquid, water or hexane (CgH14) would likely be a better solvent for a compound…

A: Given compound - C6H14N4O2    There are different type of compounds, with different physical and…

Q: Which of the following substances would be less soluble in water at higher temperatures? Group…

A: O2

Q: The unique physical properties of water are controlled by what? O by conductivity O by the formation…

A:

Q: 10. Which one of the following substances is most likely to be a solid at room temperature? A) D)…

A: The physical state of a compound at room temperature depends on the intermolecular force present…

Q: Room temperature:   294.0 K Barometric pressure:   763.0 mmHg Vapor of water:   18.6 mmHg Volume of…

A: From the balanced chemical reaction of dissociation of hydrogen peroxide, number of moles of O2…

Q: Which of the following are NOT important in regards to water's polarity? O The positively charged…

A: Important  regards  to water 's polarity

Q: Na3AlF6 is synthesized according to the following reaction. Al2O3 (k) + 6 NaOH (aq) + 12HF (g) à 2…

A: " Since you have posted a question with multiple sub-parts , we will solve first three sub-parts for…

Q: If 14.3 g of NH3 is dissolved in 375. ml of water, what is the concentration of the resulting…

A: "Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: Why is water covalent if there is hydrogen bonding which is non-covalent?

A:

Q: What percentage of water is in Na2S2O5•2h20?

A: The formula given is Na2S2O5•2H2O Hence the molar mass of compound = 2 X Atomic mass of Na + 2 X…

Q: Calculate the volume of concentrated sulfuric acid necessary to prepare 240 mL of 3M H2SO4

A: Molarity is defined as “the mole of the solute per unit volume of the solution”. It is represented…

Q: NaCl will depress the freezing point of water more than CaCl2. True False

A: The depression in the freezing point is one of the 4 colligative property and only depends upon the…

Q: What is the percent of water in Na2SO4 10H₂O?

A: Solution  The %H2O in Na2SO4.10H2O is 55.9%

Q: expected to have decreased solubility in water as temperature increases?     CO2     MgSO4…

A: CO2 is the gas when temperature increase it will vaporise from water so Solubility decrese And do…

Q: Water is a volatile liquid. O True O False

A:

Q: Arrange the following in order of ease of liquifaction (easiest to liquify first):CF4CCl4CBr4CH4CI4

A: Liquefaction depends on intermolecular forces of attraction which in turn depends on vanderwaals…

Q: ethylene glycol, HOCH2 CH2 OH

A: Water is polar solvent.  As we know "like dissolves like"  Means , polar substance is dissolved in…

Q: Is barium sultate predicted to be more or less soluble that CASO4? Explain.

A: CaSO4 is slightly soluble in water, whereas BaSO4 is almost insoluble in water. Solubility of…

Q: Ocean water contains 3.5% NaCl by mass. How much salt is in 467 g of seawater?

A: Ocean water contains 3.5 % NaCl by mass . How much Salt is in 467 g of seawater ?

Q: For Exercises 11–15, calculate the quantities needed to prepare the solid and semisolid compounds.…

A: Given : mass of zinc oxide ointment = 20 gram Percent of zinc powder = 15 % To find : mass of zinc…

Q: Consider the following reaction. How many moles of oxygen are required to produce 10.0 moles of…

A:

Q: Which of the following would be soluble in a nonpolar solvent? O NO2 SO3 PH3 О НCN

A: To find: The compound which is soluble in non-polar solvent.

Q: Calculate the percent by mass of methylene chloride in the boiling solution use some data you may…

A: The relation between partial pressure and mole fraction is given by,

Q: How many moles of water are contained in 3.40g of H2O?

A: Given, Mass of water = 3.40g

Q: Calculate the Molar mass of a volatile liquid (g/mol) from the following data:- Mass of dry flask,…

A: Mass of dry flask = 142.722g Mass of vapor = 143.801 Volume = 1.127 liter Temperature of degree…

Q: Select the compound that will have the lower equilibrium vapor pressure based on predicted…

A: The liquid molecules tend to convert into the vapour phase. In a closed container, the pressure of…

Q: June has also made a nonvolatile covalent compound, equally mysterious. A 40.0 g sample dissolved in…

A:

Q: Define covalent, ionic and hydrogen bonding. Which of these bonds is/are important in determining…

A: In this question we have to define the different types of in chemical bonding. there are three types…