Q: What is the mass of 4.50 x 1022 Cu atoms? Multiple Choice O 747 x 102 amu O 747 x 1029 O 475 g O 63....
A:
Q: Metals lose electrons under certain conditions to attain a noble gas electron configuration. How ma...
A: Given - Na
Q: Which of the following processes is exothermic, given the following N2lg) + 202lg) - N204) AH"=9.67 ...
A: Any reaction that gains energy is endothermic while exothermic reaction looses energy. So, for exoth...
Q: In the coal-gasification process, the reaction is: CO(g) + H2O(g) ⇌ CO2(g) + H2S(g) + H2(g). With 0....
A:
Q: the choices are: (1): weak or strong (2): dipole-dipole dipole-induced dipole ion-dipole ion-reduced...
A: Answer: 1) The low solubility of CH3CH2CH2CH2CH2OH in water. In that the Hydrogen bonding interactio...
Q: tow much heat (kJ) is evolved when 4.50 g of Fe203 is reacted with excess carbon monoxide using e203...
A: Fe2O3 (s) + 3CO (g)----> 2Fe(s) + 3CO2(g) Mass of Fe2O3 = 4.50 g ∆Horxn = -24.8 kJ/mol
Q: 4. What weight (in grams) of lactose (C12H22011 , MW= 342 g/mole) is required to prepare each of the...
A: Note: As per company policy we are supposed to attempt first three subparts only. Please repost othe...
Q: Determine the cmpd name?
A: Rules for IUPAC NOMENCLATURE - 1. First of all, mark the longest chain of hydrocarbon containing mo...
Q: Which of the following processes is exothermic, given the following: N2(9) + 202(9) - N204) AH"= 9.6...
A: Both the given reaction are endothermic reaction... N2 (g) + 2O2 (g) - - > N2O4(l) Enthalpy of ...
Q: 6. Lysozyme is an enzyme that breaks bacterial cell walls. A solution containing 0.150 g of this enz...
A: Given Data : 1. Mass = 0.150 2. Osmotic pressure = 0.953 torr π = 0.953 torr × 0.00316 atm...
Q: The diagram below represents an operating electrolytic cell used to plate silver onto a nickel key. ...
A:
Q: 5. Predict the major product of the following reaction ТСРВА NaHCOз
A: Given: structure of reactant.
Q: You have a 250 mM stock solution of Tris. What volume of this stock...
A:
Q: A chemistry graduate student is given 300. mL of a 1.40M ammonia (NH, solution. Ammonia is a weak ba...
A:
Q: CH CH3 ON CH3 HNO, CH HSO, .CH CH NO2
A: ->If electron donating group present then ortho ,para product is major. ->If electron withdraw...
Q: Enter your answer in the provided box. 38 The atomic masses of the twe stable isotopes of chlorine, ...
A:
Q: Select the single best answer. Which of the following has more atoms: 3.13 g of hydrogen atoms or 17...
A:
Q: Ammonia has been studied as an alternative "clean" fuel for internal combustion engines, since its r...
A:
Q: If you calculated the molar mass of your unknown liquid to be 70.1 g/mol, which of the following do ...
A: Given-> Calculated molar mass of unknown liquid =70.1 gm/mole.
Q: 5. Calculate the vapor pressure of water above a solution prepared by adding 22.5 g of lactose (C12H...
A:
Q: A 0.5228 g sample of an unknown monoprotic acid was titrated with 9.96x10-2 mol L-1 NaOH The equival...
A:
Q: When (S)-2-bromopropanoic acid [(S)-CH;CHBFCO,H] reacts with concentrated sodium hydroxide, the prod...
A: When an electron-donating neighboring group is present, the rate of SN2 reaction increases and the c...
Q: A chemist measures the amount of chlorine gas produced during an experiment. She finds that 1.35 g o...
A: According to mole concept, one mole of a substance = One gram molecule = GMW = N molecules Further, ...
Q: Activity 2. Complete the table to prepare the given solutions with different concentrations: Mass So...
A: Molarity = Mass / Volume (L)
Q: 5. Consider the phase diagram of Cu-Be shown below. At 1000°C with an overall alloy composition of 1...
A: Given phase diagram:
Q: set of quantum numbers
A:
Q: A chemist measures the amount of chlorine gas produced during an experiment. She finds that 1.35 g o...
A: This question is related to stoichiometry which determines the quantitative relation between reactan...
Q: Which of the following occurs when products are added to a chemical reaction in solution or the gas ...
A: -> when reactant or product added then it follow Le-chatelier principle.
Q: If 30 g of NaCl are dissolved in water to a final volume of ...
A:
Q: When 0.7521 g of benzoic acid was burned in a calorimeter containing 1,000. g of water, a temperatur...
A: Mass of benzoic acid burned is = 0.7521 g The heat of combustion of benzoic acid s= -26.42 kJ/g
Q: Nitrogen dioxide and water react to form nitric acid and nitrogen monoxide, like this: 3 NO,(9)+H,O(...
A:
Q: Part A What is the pH of a buffer prepared by adding 0.708 mol of the weak acid HA to 0.507 mol of N...
A: Well, to calculate the pH of the buffer we need to use the Henderson Hasselbalch equation. We can us...
Q: A 22.0 g block of copper at 45°C absorbs 2.50 kJ of heat. Given the specific heat of Cu is 0.385 Jig...
A:
Q: le sure to answer all parts. he AG for the reaction IHg) + Ig(g) 2g) 2.60 k/mol at 25°C. la one expe...
A: H2(g) + I2(g) <==> 2HI (g) ∆Go = 2.60 kJ/mol T = 298 K
Q: The diagram below represents an operating electrolytic cell used to plate silver onto a nickel key. ...
A: Given cell is an electrolytic cell. In the electrolysis, silver is coated on a Nickel key. In electr...
Q: Calculate the standard enthalpy change for the reaction 2C8H18() + 1702(g) -16CO(g) + 18H20(). Given...
A:
Q: e standard entropy change for the following reaction at 25° S(rhombic) + O2(g) SO2(g)
A: From the given data, □Srxn = Total entropy of products- Total entropy of reactants □Srxn =( 248.5 ...
Q: Enter your answer in the provided bex. Calculate the molar mass of a compound if 0.382 mole of it ha...
A: This question is related to stoichiometry which determines the quantitative relationship between rea...
Q: Write the balanced COMPLETE ionic equation for the reaction when (NH4)3PO4 and Na2SO4 are mixed in a...
A: Write the balanced COMPLETE ionic equation for the reaction----
Q: You are asked to prepare a 1.000L of a 6.000 M of sodium hydroxide. Calculate the mass of solute req...
A:
Q: the combustion of 0.0272 mole of a hydrocarbon produces 1.9609 g h2o and 3.5927 g co2. what is the m...
A: Given, Combustion of 0.0272 mole of a hydrocarbon produces 1.9609 g H2O and 3.5927 g CO2. Then, fin...
Q: 12.49.Explain why it is essential that fl uids used in intravenous injections have approximately the...
A: Answer of 12.49 is given below
Q: Why we need artificial methods for oil and gas production, illustrate different artificial methods b...
A: Answer: We need artificial methods for oil and gas production for the better production of oil and ...
Q: A reaction occurs between hydrogen gas and chlorine gas. This causes their container to expand from ...
A: Given that, The amount of work done in the reaction, W = 14 J Let the container expand from V1 to V...
Q: 12.45 What is osmosis? What is a semipermeable membrane?
A: Answer: Osmosis is a natural phenomenon and it found in plants where xylem sap travels across the pl...
Q: The reaction between aluminum and iron(III) oxide can generate temperatures approaching 3000°C and i...
A: Mass of Al = 118 g Mass of Fe2O3 = 601 g
Q: At a certain temperature, the equilibrium constant K for the following reaction is 0.54: NO,(g) + NO...
A:
Q: Given that pKa = 4.72 at 25 °C for HN3, what is the pH of 0.125 mol L-1 NaN3(aq) at 25 °C? What is t...
A: A question based on equilibrium concept that is to be accomplished.
Q: 2. How would you carry out each of the following syntheses? Each may require more than one step.
A: Please see the attachment
Q: What is not correct in computing for the buffer capacity, if an additional acid is added a. The volu...
A: Buffer capacity is the amount of acid or base that it can effectively neutralize.
Give 5 examples of Nonpolar and Polar Solvents.
Step by step
Solved in 2 steps
- List the properties of water that make it a valuable solvent, anddistinguish between hydrophilic and hydrophobic substances.Water’s highly polar character is responsible for its exceptional ability to dissolve a wide range of ionic and polar-covalent substances?Why is water an excellent solvent for most ionic compounds and polar covalent molecules, but not for non-polar compounds?
- Select the compounds that you would expect to be soluble in water. -HF -CH3OH -CCL4 -CH3NH2 -CBr43) Explain the difference between the covalent bonds and the hydrogen bonds in water.Of the following solvents indicate whether they are polar or nonpolar.1. Pyridine2. Ethyl ether3. Ethanol4. Hexane5. Acetone
- Discuss the Intermolecular Forces of Attraction between individual particles of a substance(water, ethyl alcohol, vinegar and acetone) in the condensed states.How does the polar and non-polar portions of an organic molecule contribute to its solubility in water?Determine the polarity of this molecule and its solubility in water.
- Which side of the structure of KHP is more polar than the other?Which of the following substance would have the highest solubility in a non-polar solvent e.g. CCl4? Hexane( C6H6) H2O CH3OH HClAspirin has a higher molar mass compared to salicylic acid, however aspirin melts at a lower temperature than salicylic acid. Provide a brief explanation for this observation. Table 1 Compound: Formula: Salicylic Acid C;H6O3 Aspirin C9H3O4 Molar Mass: 138.12 Melting point: Ka 158-160°C 1.08 x 10³ 180.15 140-142°C 2.72 x 10$ pKa Solubility (g/100ML) 2.99 4.57 0.18 0.25