Chemistry concepts and calculations

12. (6 pts.) Superglue is a monomer, methyl cyanoacrylate, which polymerizes upo

12. (6 pts.) Superglue is a monomer, methyl cyanoacrylate, which polymerizes upon exposure to air to give polymethylcyanoacrylate. The polymer is the glue. Shown below is an infra…

12. (8 points) Given the below code and 2 mutants (X and Y) answer the following

12. (8 points) Given the below code and 2 mutants (X and Y) answer the following questions for each mutant. int max (int A, int B) {      int maxVal;      maxVal = B;     /* X */ …

12. (8 pts) In your reaction, ONE molecule (mole) of the reactant makes ONE mole

12. (8 pts) In your reaction, ONE molecule (mole) of the reactant makes ONE molecule (mole) of the product. However, this is not always the case. Shown below is a reaction where T…

12. (TCO 4) What event listener interface must be implemented by an object to en

12. (TCO 4) What event listener interface must be implemented by an object to enable it to handle events from a JButton? (Points : 6)        ActionEventListener        ActionListe…

12. -0.1 points 0/4 Submissions Used My Notes Ask Your The electron microscope h

12. -0.1 points 0/4 Submissions Used My Notes Ask Your The electron microscope has been widely used to obtain highly magnified images or biological and other types of materials. W…

12. -10.1 points 0/4 Submissions Used (a) How many milliliters of 0.155 M HCI ar

12. -10.1 points 0/4 Submissions Used (a) How many milliliters of 0.155 M HCI are needed to neutralize completely 25.0 mL of 0.101 M Ba(OH)2 solution? (b) How many milliliters of …

12. 100 points Select the keyword or phrase that will best complete each sentenc

12. 100 points Select the keyword or phrase that will best complete each sentence Key terms: A is the attractive intermolecular forces between the permanent dipoles of twomoleculk…

12. 4) Predict the product formed in the following reaction. (Assume that each p

12. 4) Predict the product formed in the following reaction. (Assume that each product compound exi as a 1/1 mixture with its enantiomer). 2Hs 1. BH3 H3 CaHs Hs Hs HOH H3 d. a. b.…

12. A 15.7 -g sample of sodium carbonate is added to a solution of acetic acid w

12. A 15.7-g sample of sodium carbonate is added to a solution of acetic acid weighing 19.4 g. The two substances react, releasing carbon dioxide gas to the atmosphere. After reac…

12. A hydrocarbon molecule contains carbon and hydrogen atoms in equal numbers.

12. A hydrocarbon molecule contains carbon and hydrogen atoms in equal numbers. Its molar mass is 130.18 g/mol. What is the molecular formula for the d, C10H a. ChH, e. CH b. C12H…

12. A room is under standard pressure (1 atm). Five samples of water are boiled

12. A room is under standard pressure (1 atm). Five samples of water are boiled at different pressure conditions:      A. Open to the atmosphere (1 atm)      B. 0.97 atm      C. 1…

12. A solution contains 1.00 nM Cu at 25 °C. Will adding one of the following sp

12. A solution contains 1.00 nM Cu at 25 °C. Will adding one of the following species and concentrations react with the 1.00 nM Cu? Basically, will a reaction be spontaneous or no…

12. Acetaldehyde is shown below. Answer the following questions about this molec

12. Acetaldehyde is shown below. Answer the following questions about this molecule. (1 point each). a) What is the shape of the methyl carbon9 b) What is the shape of the carbony…

12. After the two solutions in Q11 are mixed, write an equation that shows what

12. After the two solutions in Q11 are mixed, write an equation that shows what happens when 0.00500 mole of HCl(aq) is added to the solution. 13. A 20.0 mL aqueous solution of 0.…

12. Air (consisting mostly of nitrogen (N2), oxygen (O2), and argon (Ar)) dissol

12. Air (consisting mostly of nitrogen (N2), oxygen (O2), and argon (Ar)) dissolves in water due to ________ A. ion–dipole forces. B. dipole–dipole forces. C. dispersion forces. D…

12. An unknown concentration solution (50.00 mL) of the salt, trimethylammonium

12. An unknown concentration solution (50.00 mL) of the salt, trimethylammonium chloride, is titrated with 0.1014 M NaOH. It requires 37.44 mL to reach the end point. Ka for trime…

12. Analytical chem question on sapling correct answer will get rated! Thanks A

12. Analytical chem question on sapling correct answer will get rated! Thanks A student researcher performed a chromatographic separation of caffeine and aspartame with methanol a…

12. As catalysts, enzymes are; a) significantly less effective than non-enzymati

12. As catalysts, enzymes are; a) significantly less effective than non-enzymatic catalysts. b) slightly less effective than non-enzymatic catalysts. c) significantly more effecti…

12. Assuming that the density of water is 1.00 g/mL, how many moles of water are

12. Assuming that the density of water is 1.00 g/mL, how many moles of water are there in a liter of water? a. 0.0180 moles d. 100 moles b. 18.0 moles e. 1.00 moles c. 55.5 moles …

12. At 50°C, the solubility of silver chloride, AgCl, is 5.2 x 104g/100 mL. Calc

12. At 50°C, the solubility of silver chloride, AgCl, is 5.2 x 104g/100 mL. Calculate the Kap at this temperature. Answer 1.3 x 10-9 13. If 1.00 g of MgF2 (FW 62.31) is added to 5…

12. At 50°C, the solubility of silver chloride, AgCl, is 5.2 x 10g/100 mL. Calcu

12. At 50°C, the solubility of silver chloride, AgCl, is 5.2 x 10g/100 mL. Calculate the Kue at this temperature. Answer: 1.3 × 10-9 13. If 1.00 g of MgF2 (FW = 62.31) is added to…

12. Based on the solubility rules, which of these processes will occur when a so

12. Based on the solubility rules, which of these processes will occur when a solution containing about 0.1 g of Pb(NO3)2(aq) is mixed with a solution containing 0.1 g of KI(aq)/1…

12. Based on the solubility rules, which of these processes will occur when a so

12. Based on the solubility rules, which of these processes will occur when a solution containing about 0.1 g of Pb(NO3)2(aq) is mixed with a solution containing 0.1 g of KI(aq)/1…

12. C+ 14.5 points I Previous Answers A key step in the metabolism of glucose fo

12. C+ 14.5 points I Previous Answers A key step in the metabolism of glucose for energy is the isomerization of glucose-6-phosphate (G6P) to fructose-6-phosphate (F6P) as shown b…

12. Calculate the maximum energy, in the form of labor, involved in the combusti

12. Calculate the maximum energy, in the form of labor, involved in the combustion of 1.00 mol of C2H6 ethane (g) at 25 ° C and 101.325 kPa (standard conditions). According to you…

12. Check that the vertical axis has pll scaled from o to 14 plH units. The hor

12. Check that the vertical axis has pll scaled from o to 14 plH units. The hor eter window shows a pH value between 1.8 and 3.2 3 Turn on the stirring to a medium speed 14. Befor…

12. Check that the vertical axis has pll scaled from o to 14 plH units. The hor

12. Check that the vertical axis has pll scaled from o to 14 plH units. The hor eter window shows a pH value between 1.8 and 3.2 3 Turn on the stirring to a medium speed 14. Befor…

12. Complete the table: (11) Element Symbol Atomic Mass Protons Neutrons Electro

12. Complete the table: (11) Element Symbol Atomic Mass Protons Neutrons Electrons Period Family Mass Number 92 8 8 TI 13 13. Which has lower ionization energy: Beryllium or Calci…

12. Complete the table: (11) Element Symbol Atomic Mass Protons Neutrons Electro

12. Complete the table: (11) Element Symbol Atomic Mass Protons Neutrons Electrons Period Family Mass Number 92 8 8 TI 13 13. Which has lower ionization energy: Beryllium or Calci…

12. Consider the following equilibrium at 25°C: Which of the following would be

12. Consider the following equilibrium at 25°C: Which of the following would be true if the temperature were increased to 100°C? 1. The value of Kp would increase. 2. The concentr…

12. Consider the following equilibrium process: Predict the direction of the shi

12. Consider the following equilibrium process: Predict the direction of the shift in equilibrium when (a) the temperature is raised mixture with no volume change (b) more chlorin…

12. Consider the following mono-protic acids. lactic acid: HC 3 H 5 O 3 ( K a =

12. Consider the following mono-protic acids. lactic acid: HC3H5O3 (Ka = 1.4 × 10-4) water H2O (Ka = 1.8 × 10-16) hypochlorous acid: HOCl (Ka = 3.5 × 10-8) hydrocyanic acid: HCN (…

12. Consider the following reaction! Which of the following statements istrue re

12. Consider the following reaction! Which of the following statements istrue regarding this meacson? as Hir is the osidizing agent. b Magnesium is osidiaed in this reaction. This…

12. Consider the interaction of two fluorine 2p orbitals of the same phase on th

12. Consider the interaction of two fluorine 2p orbitals of the same phase on the internuclear axis. Which of the following is not a correct description of this interaction? a) A …

12. Consider the photons inside an oven. The chemical potential of a photon is z

12. Consider the photons inside an oven. The chemical potential of a photon is zero. Photons are bosons, so any number of photons may occupy one state. A certain state has energy …

12. Consider the simple one-step reaction: Because the reaction occurs in a sing

12. Consider the simple one-step reaction: Because the reaction occurs in a single step, the forward reaction has a rate of kiomardlAl. What happens to the rate of the forward rea…

12. Determine the molar concentration of ethanol (CH,CH:OH, 46.08 g/mol) in a w

12. Determine the molar concentration of ethanol (CH,CH:OH, 46.08 g/mol) in a w I) in a wine that is 14% ethanol by mass. The density of this wine is 0.93 g/cm? a. 0.063 M b. 13.0…

12. During what reaction upon heating, does one solid phase turn into another so

12. During what reaction upon heating, does one solid phase turn into another solid phase plus one liquid phase? a. Eutectic b. Eutectoid c. Peritectic d. Peritectoid 13. Which of…

12. During what reaction upon heating, does one solid phase turninto another sol

12. During what reaction upon heating, does one solid phase turninto another solid phase plus one liquid phase? a. Eutectic b. Eutectoid Peritectic d. Peritectoid 13. Which of the…

12. Find correct comparison of Electron Affinity, EAdloment, the energy required

12. Find correct comparison of Electron Affinity, EAdloment, the energy required to remove an electron from anion, in its gaseous phase, of different elements (a) EAB>EACEAo (c…

12. For each of the situations given, state whether frictional forces do positiv

12. For each of the situations given, state whether frictional forces do positive, negative, or zero work on the italicized object. (a) A plate slides across a table and is brough…

12. For each reaction below determine if the entropy (AS) and enthalpy (AH) favo

12. For each reaction below determine if the entropy (AS) and enthalpy (AH) favours the reactants (R) or products (P). Based on that information determine if the reaction will go …

12. Given the following equation, write the net ionic equation and indicate circ

12. Given the following equation, write the net ionic equation and indicate circle the spectator ions 13. Look up the structure for Polyethylene, draw a portion of it and explain …

12. How many electrons are in a neutral atom of chromium-53? 13. There are three

12. How many electrons are in a neutral atom of chromium-53? 13. There are three naturally occurring isotopes of Carbon. They differ in the number of c) nuelear charge d) protons …

12. How many electrons are in a neutral atom of chromium-53? 13. There are three

12. How many electrons are in a neutral atom of chromium-53? 13. There are three naturally occurring isotopes of Carbon. They differ in the number of c) nuelear charge d) protons …

12. How many grams of salt are contained in 3 kg of seawater that has a salinity

12. How many grams of salt are contained in 3 kg of seawater that has a salinity of 34 ‰? _________ g 13. According to the Gatorade website, “Water is not enough”. Apparently, you…

12. How many moles of helium are needed to fill a balloon that has a volume of S

12. How many moles of helium are needed to fill a balloon that has a volume of S.4S L and a pressure of 820 mm Hg at room temperature of 23°C? Assume ideal gas behavior. 13. 2.358…

12. How many moles of helium are needed to fill a balloon that has a volume of s

12. How many moles of helium are needed to fill a balloon that has a volume of sAS L and a pressure of 820 min Hg at room temperature of 23?? Assume ideal gas behavior. 13. 2.358 …

12. How many non-bonding electron pairs are found on the iodine atom in the IBr

12. How many non-bonding electron pairs are found on the iodine atom in the IBr ion? a. 1 b. 2 c. 3 d.4 e. 0 13. What is the formal charge on the iodine atom in the ion in questio…

12. Hydrogen iodide undergoes decomposition according to the equation 2E11(g) -

12. Hydrogen iodide undergoes decomposition according to the equation 2E11(g) - H2(g) + 12(g) The equilibrium constant K, at 500 K for this equilibrium is 0.060. Suppose 0.316 mol…