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Question #9b627 + Example - Socratic Changes in state are physical changes Let's take water as an example H2O In the gaseous state, we sometimes call it steam or water vapor; it's chemical formula is still H2O In the liquid state and in the solid state (ice), the chemical formula is H2O In a physical change, the original substance is still there - it may be in a different state or shape, but there are no new substances
Through multiple reactions, a chemist uses C, CaO, HCl, and H2O to . . . Through multiple reactions, a chemist uses C, CaO, HCl, and H2O to produce dichlorobenzene, C4H4Cl2 Assuming that the efficiency of this lab is a minimum of 65 0%, how many molecules of dichlorobenzene could be produced in the lab from 0 500 kg of C?
Site Map - Dipole-Dipole Interactions Questions and Videos | Socratic Is HCl a dipole dipole? Are dipole dipole forces stronger? Is CH3CO2H a dipole dipole? Which intermolecular forces in h2o make ice less dense than liquid water: hydrogen bonding or dipole-dipole? What type of intermolecular force would water molecules have? London dispersion? Dipole dipole? Or hydrogen bonding? What causes dipole-dipole
How do grignard reagents react with water? - Socratic Irreversibly This is sometimes exploited by chemists The carbanionic nucleophile reacts with the electrophilic proton on the water molecule: R-MgX + H_2O rarr R-H + MgXOHdarr The reaction is irreversible, but it does have some synthetic utility if you want to label an hydorcarbyl chain with an isotope of hydrogen, ""^2H or ""^3H, simply by using heavy or tritiated water
(full question below) How much water would you expect to . . . - Socratic Use the enthalpy of vaporization as a conversion factor to calculate how many moles of water would evaporate 0 283kJ ⋅ 1 mole H2O 40 7kJ = 0 0069533 moles H2O To convert this to grams, use the molar mass of water 0 0069533moles H2O ⋅ 18 015 g 1mole H2O = 0 13 g −−−−− The answer is rounded to two sig figs, as requested by the problem
Answers created by Ernest Z. - Socratic If density is 0 92 g cm–3 at a given temperature, then what is the number of H2O molecules per unit cell? A 9 380 mol sample of nitrogen gas is maintained in a 0 8198 L container at 301 8 K What is the pressure in atm calculated using the van der Waals' equation for N2 gas under these conditions?