The reaction between ethanoyl chloride and the hydroxide ion to give an acid is classified as: electrophilicaddition electrophilic substitution nucleophilic substitution nucleophilicaddition A B D

All changes save 7. When two solutions are mixed, a color change occurs. The data tables show the time between mixing and the color change for two sets of conditions. For Condition One, the solution concentrations were constant and temperature varied. For Condition Two, the temperature was constant and concentrations varied. Condition One: Concentration Time for Temperature (°C) Sample Color to Change 1 10° 36 sec 22° 14 sec Condition Two: Temperature Time for Concentration Sample Color to % Change 1. 100% 15 sec 2. 50% 24 sec Which of these statements is true according to the data? O The reaction rate is greater at 22°C than at 10°C. O Reducing the temperature increases the rate of the reaction. The reaction is affected by changes in temperature not by changes in concentration. O Decreasing the concentration increases the reaction rate. PREVIOUS 17 of 25 NEXT SAVE & EXIT

Part D One of these liquids is used as a "blowing agent" in the manufacture of polystyrene foam because it is so volatile. Which liquid would you expect to be used as a blowing agent? Match the words in the left column to the appropriate blanks in the sentences on the right. Reset Help Pentane is used as the "blowing agent" because it has a boiling point and is Ethylene glycol volatile low high Submit Request Answer < Return to Assignment Provide Feedback 6:16 PM O 4) 12/12/2021 amazon B. Mastering. Spotify Free 65°F

12:50 ← d2fcc1b0-17ba-42ff-a... 15/24 SCIENCE (086) 9 જે SCIENCE 224 Science Project Create a comprehensive and informative project on ' Natural resources' in the form of an artistically crafted, decorated project file Include pictures, illustrations,examples, surveys, advertisements, newspaper cuttings and headings etc in your project to make your project appealing, relevant, easy to understand and memorable Keypoints . Introduction to Natural Resources • Air pollution and its causes Water pollution and its causes Soil pollution and its causes . Biogeochemical Cycles 1. Oxygen Cycle 2. Carbon Cycle 3. Nitrogen Cycle 4. Water Cycle Rain and effect of acid rain . Green-house Effect Ozone Layer and reason for ozone depletion Assignment Sheet 1.Look at Fig. 1.1 and suggest in which of the vessels A,B, C or D the rate of evaporation will be the highest? Explain. PDF to Long Images PDF to Images =

Chapter 7 Mastery 1. Classify Solubility 2. Write NIE from Equation or Desc... 1 pts 2req 3. Chemical Equations: Combination ... 1 pts 4. Decomposition: Write Equations 5. Write NIE: Chloride Preparation Preparation Question Question Question 6. Write NIE: Sulfate Periodic Table 8. Write NIE: Review 1 pts 9. Chemical Equations: Combustio... Progress: 4/9 groups Due Mar 14 at 11:55 PM Finish Assignment 7. Write NIE: Sulfide, Carbonate, Pho... 1 pts M 1 pts 2req 60 1 pts 2req M 1 pts 2req 1 pts (M) 1 pts 2req 0 h prod02-cnow-owl.cengagenow.com COWLv2 | Online teaching and learning resource from Cengage Learning [Review Topics] [References] Use the References to access important values if needed for this question. Does a reaction occur when aqueous solutions of barium chloride and lead(II) nitrate are combined? Oyeso no If a reaction does occur, write the net ionic equation. + Use the solubility rules provided in the OWL Preparation Page to determine the solubility of compounds. Be sure…

250 mL of water sample was collected from a river and sent to a laboratory to determine the concentration of the total suspended solid. In the laboratory, 5 mL of the water sample was transferred to a 100 mL volumetric flask before diluted with distilled water to 100 mL. After that, 50 mL of the diluted water sample was transferred to a funnel containing a glass fiber filter and attached to a glass flask with the sidearm connected to a operating vacuum pump. Transferred diluted water sample was left drained through the glass filter before glass fiber was transferred to an oven to heat at 105 oC under a constant weight of 0.2654 g was obtained. If the initial weight of the glass fiber filter is 0.2431 g. Calculate the amount of the suspended solid in mg unit contained in the 250 mL collected water sample.

Below is a simple set of weights obtained while immersing potato slices in various sugar solutions over 30 minutes. I need help calculating all of this for a 30 min period  a. For each solution, calculate the rate of weight change over this 30-minute period. Show your work in the space below. Once you calculate these rates - fill in the blanks below and then add these answers to your Canvas exam. Write your answer in standard notation and use  3 digits past the decimal point - e.g. 0.005, 0.030. (Note that the last zero in an answer is considered to be a digit). Show your work in the space below.  0.0 M sucrose = _______  _____________ g/min 0.4 M sucrose = _______ ____________ g/min 0.6 M sucrose = ________ ____________ g/min 0.8 M sucrose = ____________________ g/min 1.0 M sucrose = ________   __________ g/min Using the osmosis data in the question above, determine the percent weight change for each sucrose solution and fill in the blanks given below and then add these answers to…

Select one for each box

Real life applications of standardization of NaOH.

6. While cleaning you find out that you unfortunately only have run out of your usual cleaning solutions. Your friend thankfully has the cleaner you want, but not at the dilution you want. If their solution is at a 1/15 dilution, devise a serial dilution scheme to get a 1/30, 1/60, and 1/180 dilution as a result.