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Chemistry concepts and calculations

117302 questions • Page 1986 / 2347

What was your average value for K_eq What it \"big\" or \"small?\" What does thi
What was your average value for K_eq What it "big" or "small?" What does this tell you about the reaction? was your value for K_eq constant? If not, why not? Explain how different…
What was your experimental Ksp from Part 2? What was your experimental Ksp from
What was your experimental Ksp from Part 2? What was your experimental Ksp from Part 3? Ideally the results from Part 2 and Part 3 should be the same. What could account for any d…
What wavelength of light would you report in units of nm, if the light had a of
What wavelength of light would you report in units of nm, if the light had a of 7.60 times 10^-10 m? Read the length of the metal bar with the correct number of significant figure…
What we want to do in this assignment is we want to break our main file into thr
What we want to do in this assignment is we want to break our main file into three files: interface, client, and implementation. What you will need to decide the following: There …
What weight of Ag_2CO_3, (FW-275.7) is fanned? W hat is the difference between c
What weight of Ag_2CO_3, (FW-275.7) is fanned? W hat is the difference between constant error and proportional error? Give illustrative examples of each. Indicate whether each is …
What weight of carbon (graphite) must be burnt to produce 1000kj of energy What
What weight of carbon (graphite) must be burnt to produce 1000kj of energy What weight of carbon (graphite) must be burnt to produce 1000kj of energy or CHM 113 EXPERIMENT 7 HESS'…
What will be the concentration after 465 s? Chrome File Edit View History Bookma
What will be the concentration after 465 s? Chrome File Edit View History Bookmarks People Window Help -100%-), Wed 5:36 PM a E CUNY Borough of Manhat www.saplinglearning.com/x Em…
What will be the effect on the mass of the MSH sample of: Overheating the MSH hy
What will be the effect on the mass of the MSH sample of: Overheating the MSH hydrate so the compound decomposes. Will this likely load to a higher or lower coefficient value on t…
What will be the effect on the mass of the MSH sample of: a. overheating the MSH
What will be the effect on the mass of the MSH sample of: a. overheating the MSH hydrate so the compound decomposes. Will this likely lead to a higher or lower coefficient value o…
What will be the effect upon the equilibrium if the pressure on the system is in
What will be the effect upon the equilibrium if the pressure on the system is increased? What will be the effect of the concentration of CO if the concentration of H_2 is decrease…
What will be the effect upon the equilibrium if the pressure on the system is in
What will be the effect upon the equilibrium if the pressure on the system is increased? What will be the effect upon the concentration of CH_4 if the concentration of H_2 is decr…
What will be the effect upon the equilibrium if the pressure on the system is in
What will be the effect upon the equilibrium if the pressure on the system is increased? What will be the effect upon the concentration of CO if the concentration of H_2 is decrea…
What will be the mass of Magnesium using the values and the formula above? ( sol
What will be the mass of Magnesium using the values and the formula above? ( solution highly appreciated) Percent Magnesium in a Mixture Background In this experiment you will det…
What will be the products of the Friedel-Crafts acylation below? acetophenone an
What will be the products of the Friedel-Crafts acylation below? acetophenone and acetic acid benzophenone and acetic acid 2-hydroxybcnzoic acid and methanol benzaldehyde and etha…
What will be the result when 15.0 mL of 0.040 M Pb^2+ is mixed with 15.0 mL of 0
What will be the result when 15.0 mL of 0.040 M Pb^2+ is mixed with 15.0 mL of 0.040 M Cl? K_Sp = 1.7 times 10^5 A clear solution with no precipitate will result. Solid PbCl_2 wil…
What will happen as the temperature of a system increases? a. The activation ene
What will happen as the temperature of a system increases? a. The activation energy of the system will increase, causing an increased reaction rate. All the particles will have mo…
What will happen if 2.3 L of nitrogen gas is added to a 5 L flask that contains
What will happen if 2.3 L of nitrogen gas is added to a 5 L flask that contains a mixture of monoxide, oxygen, and carbon dioxide? ll happen if 2.3 L of nitrogen gas is added to a…
What will happen if a small amount of hydrochloric acid is added to a 0.1 M solu
What will happen if a small amount of hydrochloric acid is added to a 0.1 M solution of HF? a) The percent ionization of HF will increase. b) The percent ionization of HF will dec…
What will happen if a small amount of hydrochloric acid. HCI. is added to a 0.1
What will happen if a small amount of hydrochloric acid. HCI. is added to a 0.1 M solution of HF? The percent ionization of HF will increase. The percent ionization of HF will dec…
What will happen if you overheat the copper in your evaporating dish and how wil
What will happen if you overheat the copper in your evaporating dish and how will this affect your determination of the moles of copper in the empirical formula? A.The copper will…
What will happen to a blood cell that is placed in pure water? Answer A. Nothing
What will happen to a blood cell that is placed in pure water? Answer                              A. Nothing will happen because the cell is impermeable.                 B. The c…
What will happen to the concentrations of A, B, C, and D under each of the follo
What will happen to the concentrations of A, B, C, and D under each of the following conditions? A+B+Heat (DOUBLE ARROW) C+D a. a catalyst is added to the system, which is at equi…
What will happen to the pH of a Na_2CO_3 solution if a small amount of NaHCO_3 i
What will happen to the pH of a Na_2CO_3 solution if a small amount of NaHCO_3 is added to it? pH will increase because NaHCO_3 is basic when placed in water. pH will not change b…
What will happen to the solubility of sulfur dioxide gas in water as the tempera
What will happen to the solubility of sulfur dioxide gas in water as the temperature of water goes down? Explain your answer. Why? List the following compounds from weakest acid (…
What will happen when a HCl (aq) solution is added to a Na2CO3 (aq) solution? Ex
What will happen when a HCl (aq) solution is added to a Na2CO3 (aq) solution? Explain and give the molecular and net ionic equations for the reaction.
What will happen when a HCl (aq) solution is added to a Na2CO3 (aq) solution? Ex
What will happen when a HCl (aq) solution is added to a Na2CO3 (aq) solution? Explain and give the molecular and net ionic equations for the reaction.
What will happen when the valve between a 2.00-L bulb, in which the gas pressure
What will happen when the valve between a 2.00-L bulb, in which the gas pressure is 2.00 atm, and a 3.00-L bulb, in which the gas pressure is 4.50 atm, is opened? Assume the tempe…
What will occur if S is added to the following reaction after equilibrium has be
What will occur if S is added to the following reaction after equilibrium has been reached? SO2 <---->S + O2 A. the equilibrium will be shifted to the left B. the equilibriu…
What will the following shell command do? What would the permissions string look
What will the following shell command do? What would the permissions string look like for the following octal value? Try creating a directory in the system directories /bin and /t…
What will the solution vapor pressure be for a solution of 2.23 mol of sucrose (
What will the solution vapor pressure be for a solution of 2.23 mol of sucrose (C_12H_22O_11) dissolved in 1.000L of water at 20.0 degree C? The vapor pressure of pure water at 20…
What would a TLC plate look like on a TLC analysis of benzophenone and diphenylm
What would a TLC plate look like on a TLC analysis of benzophenone and diphenylmethanol in a 9:1 petroleum ether: ethyl acetate. Please help me draw the plate, calculating the RF …
What would be Which position will be attacked most rapidly by the nitronium ion
What would be Which position will be attacked most rapidly by the nitronium ion (NO,2 wben the compound undergoes nitration with of this reaction? (B) CH,CHCH CH (A) a (B) b (C) (…
What would be a good hyothesis for this Lab? Procedure 1. Label five beakers as
What would be a good hyothesis for this Lab? Procedure 1. Label five beakers as copper gluconate, tin sulfate, aluminum sulfate, iron sulfate, and zinc sulfate. 2. Measure and pou…
What would be a good way to authenticate a user to a smart phone? By good, I mea
What would be a good way to authenticate a user to a smart phone? By good, I mean that it is both secure, and user-friendly. Passwords don't seem to be the best fit because a pass…
What would be a suitable indicator for the titration of vinegar (0.1 M acetic ac
What would be a suitable indicator for the titration of vinegar (0.1 M acetic acid pKa=4.76)? A.Crystal Violet B.Bromophenol blue C.Methyl orange D.Bromocresol purple E.Phenophtha…
What would be an acceptable measurement to make with the buret shown? 69. 70. Sa
What would be an acceptable measurement to make with the buret shown? 69. 70. Salicylic acid is a common Sample Absorbance impurity in aspirin. Below is a Beer's Law plot of the a…
What would be observed if the phase-transfer catalyst, tetrabutylammonium bromid
What would be observed if the phase-transfer catalyst, tetrabutylammonium bromide, was omitted? Why? It was essential to stir the reaction mixture vigorously to obtain acceptable …
What would be required to make hydrogen part of a renewable energy system? O Ren
What would be required to make hydrogen part of a renewable energy system? O Renewable energy would need to be used to make hydrogen gas. O Fuel cell technology would need to adva…
What would be the best approach to count number of words in a microsoft word doc
What would be the best approach to count number of words in a microsoft word document in terms of attributes like font size or font color . Eg: Return number of words in red font.…
What would be the change in pressure in a sealed 10.0 L vessel due to the format
What would be the change in pressure in a sealed 10.0 L vessel due to the formation of N2 gas when the ammonium nitrite in 1.60 L of 1.50 M NH4NO2 decomposes at 25.0°C? 07 Questio…
What would be the conclusion for this experiment 60 CHE115 The puzzle: Most basi
What would be the conclusion for this experiment 60 CHE115 The puzzle: Most basically, the law of mass conservation states that matter can neither be created nor destroyed. When A…
What would be the effect (increase, decrease, no change) on the calculated value
What would be the effect (increase, decrease, no change) on the calculated value of R for the following procedural error. Explain why. You forgot to account for the water vapor pr…
What would be the effect (too high, too low, no effect) on the experimental valu
What would be the effect (too high, too low, no effect) on the experimental value of the gas constant in each of the following scenarios? Justify your answers. A small amount (say…
What would be the effect of each of the following on the calculated molar mass o
What would be the effect of each of the following on the calculated molar mass of the solute? 1. some cyclohexane evaporated while the freezing point of pure cyclohexane was being…
What would be the effect of each of the following on the calculated molecular we
What would be the effect of each of the following on the calculated molecular weight of the solute? A)some cyclohexane evaporated while the freezing point of pure cuclohexane was …
What would be the effect of removing some NO_2 from the following system after t
What would be the effect of removing some NO_2 from the following system after the reaction reaches equilibrium at 25 degree C 2 NO_2(g) 2NO(g) + O_2(g) K_c = 7.4 times 10^-16 The…
What would be the effect of working at pH 8 instead of pH 10 on the following; b
What would be the effect of working at pH 8 instead of pH 10 on the following; be sure to specifically cite the difference in each case between pH 8 and pH 10: a.    the value of …
What would be the effect on the molarity of the NaOH solution if some of the wat
What would be the effect on the molarity of the NaOH solution if some of the water evaporated from the Florence flask after the NaOH solution was standardized with the KHP? (highe…
What would be the effect on the observed melting point if sample were: a) too sm
What would be the effect on the observed melting point if sample were: a) too small- b) too large - c) poorly packed - d) heated too rapidly- Some compounds sublime in the capilla…
What would be the effect on the observed melting point if sample were: a) too sm
What would be the effect on the observed melting point if sample were: a) too small- b) too large - c) poorly packed - d) heated too rapidly- Some compounds sublime in the capilla…