Solutions of ammonia (NH3) and water can be purchased at most grocery stores. What best explains why ammonia can dissolve in water? O Ammonia is a polar covalent compound. O Ammonia is a nonpolar covalent compound. O Ammonia is an ionic compound. O Pure ammonia is a solid at room temperature.

Q: 20. fill in the blanks in the following table for the compound carbon dioxide, CO2 Moles Molecules…

A: We know, Molecular weight of CO2 is 44 g

Q: Calculate (to the nearest 0.1 u) the formula mass of these compounds. a. Magnesium Fluoride MgF2 b.…

A:

Q: Your roommate is having trouble understanding why solids form. He asks, "Why would atoms bond into…

A: Formula :   Potential energy of two charges q1 and q2 at a distance r is given as follows :…

Q: How can you separate salt from three salty chicken wings? Write a procedure that can give you an…

A:

Q: An irregularly shaped piece of metal of density 7.8g/cm3 weighs 429 grams when completely immersed…

A: Archimedes' principle states that when an object is fully or partially immersed in a fluid, it…

Q: Bonds What kind of chemical bond is formed when electrons are transferred from atom to atom (when…

A: When electrons are transferred from one atom to another then the atom which loses the electrons gets…

Q: What is the solubility of PbF₂ in a solution that contains 0.0600 M F⁻ ions? (Ksp of PbF₂ is 3.60 ×…

A:

Q: *19. mmh The drawing shows sodium and chloride ions positioned at the corners of a cube that is part…

A: A part of crystalline structure of the sodium chloride is shown below: Refer the Figure, Each of…

Q: To increase the concentration of a solution, you would O increase the amount of solute O increase…

A:

Q: Analyze the following statements and determine if it is correct or wrong. 1. SiCla is a nonpolar…

A: 1) SiCl4 is a non-polar molecule. Explanation: SiCl4 is a non-polar molecule because in SiCl4 all of…

Q: How many o and a bonds are in each compound? :C0: number of o bonds: number of n bonds: number of o…

A: The sigma bonds are made by head-head overlapping and the pi bond are made by lateral overlapping

Q: Analv ze the following statements and determine if it is correct or wrong. 1. SiCl, is a nonpolar…

A: To determine: Whether the given statements are correct or wrong.

Q: The active ingredient in the allergy medication Claritin contains carbon (C), hydrogen (H), chlorine…

A: Given: The allergy medication of Claritin C22H23Cl N2O2 contains 1.424 x 1019 molecules

Q: By using phenolphthalein as indicator ( in titration of hydrochloric acid with sodium carbonate )…

A: By using phenolphthalein as indicator (in titration of hydrochloric acid with sodium carbonate )…

Q: The diagram shows what occurs when water is used to dissolve a crystal of salt. Which statement best…

A: A water molecule consists of 2 hydrogens atoms and an oxygen atom. They are bonded with covalent…

Q: How many covalent bonds would the following atom usually form?     Question options:   2   3…

A: Refer the given figure, there are 3 single electrons are available in the atom. So, three covalent…

Q: N2 + 3H2  → 2NH3 How many moles of hydrogen, H2, are needed to react with 2.0 moles of nitrogen,…

A: here , N2 +3H2   → 2NH3

Q: A 250 mL aqueous solution contains 2.37 g of copper(II) chloride. The dissolved copper(II) chloride…

A: The number of ions in 1.12 g of copper (II) ion is calculated as shown below. The number of ions in…

Q: What does the 2 in front of NaCl mean?

A:

Q: An irregularly shaped piece of metal of density 7.8g/cm^3 weighs 429 grams when completely immersed…

A: Given data m=429 gmρ=7.8 gm/cm3

Q: A (deoxyribonucleic acid) is 2.28 µm long. The ends of the molecule become singly ionized: negative…

A:

Q: 5. Calculate (to the nearest 0.1 u) the formula mass of these compounds (if your answer is 47 then…

A:

Q: QUESTION 13 According to naming rules, the types of compound that use prefixes in their names are A)…

A: Types of compounds that use prefixes in their names.

Q: Choose the correct number of molecules in a mole of: Gold VChoose... 197 Water 6.02 x 10 23 18…

A: To find:  the number of molecules in a mole of different elements or compounds

Q: Methane, CH4, is the simplest hydrocarbon molecule and in its natural state is a gaseous substance.…

A: Mass of methane = 64 g  Molecular mass of methane = (12 +4) = 16 g  Number of moles of methane =…

Q: What is the chemical formula for sulfur dibromide? O SB 3 O SBr SBR2 O S2B13

A:

Q: b) Complete the table below LIQUID Benzene (20°C) Surface Tension (N/m) Blood (37°C) Glycerin (20°C)…

A: Surface tension is calculated by,                          S = ρhga2 Here, S is surface tension…

Q: nocolate bar 6.0g/ lozenge om Oil 2.0g/ lozenge emental Calcium 333.Omg/lozenge the formulation…

A:

Q: . How many milliliters of 0.200 M NH2OH are needed to react with 12.0 mL of 0.550 M FeCl3? FeCl3…

A: Let substance1 be FeCl3 and subtance2 be NH4OH. Given: M2=0.2 MV1=12 mL=12×10-3 LM1=0.55 M Let the…

Q: Which substance's solubility decreases with an increase in temperature? 100 90 80 NANO, 70 60 CaCl,…

A: Given : Solubility vs temperature graph of different salts. Asked which substance's solubility…

Q: If an electron is removed from each molecule, it is observed that N2+ has a weaker bond than N2, but…

A: In N2 14 electrons need to be filled.

Q: Calculate the number of moles and atoms/molecules from the following:          a. 67.83 grams of H2O…

A: Part A. Molecular mass of H2O  is 18 g/mol. Therefore, 1 g=118 mol Hence, 67.83 g=118×67.8367.83…

Q: All of the following are bases except A. NaOH B. Al(OH)3 C. HBr D. Ca(OH)2

A: Given : Four options and to identify the acid from the list.

Q: Carbon and oxygen, both nonmetals, bond to form a compound. What is the name of the carbon compound…

A: With one carbon and two oxygen The molecule will be Carbon dioxide.

Q: An irregularly shaped piece of metal of density 7.80 g/cm3 weighs 429 g when completely immersed in…

A: The weight of an object is the product of the mass and acceleration due to gravity. The mass of the…

Q: Is this sentence correct: “Even a tiny speck of table salt contains billions of salt atoms”? If not,…

A: There is nothing called salt atoms. Since, the chemical formula of table salt is Nacl. Table salt is…

Q: Isra is analyzing the properties of several samples of elements to find out which sample is a…

A:

Q: Why is it incorrect to speak of a molecule of solid NaCl?

A: Required : Why is it incorrect to speak of a molecule of solid NaCl.