The problems associated with recycling/disposal does not ir Group of answer choices Virgin resins are usually cheap ecycled plastics Plastics are durable and hard t is relatively inexpensive to o plastic products Plastics are often made of sew Eypes of plastics

Q: When salt (NaCI) is dissolved in water, the molar enthalpy of solution (AHsol) is +3.9kJ/mol. If 40g…

A:

Q: Substance "C" is identified to have a specific heat capacity of 0.452 J/(g.°C). Which substances…

A: Answer: Specific heat capacity of the substance is defined as the amount of energy added into the…

Q: Write the structure of the key intermediate and the product (with correct stereochemistry) for the…

A:

Q: Below are particle-level representations of four different solutions. Water molecules are not shown.…

A: An acid-base reaction is a type of chemical reaction that involves the exchange of one or more…

Q: Draw the Fischer projections representing the D and L forms of the following: a) phenylalanine b)…

A: Detail description for the drawing of D and L isomer is given below

Q: Čalculate the molar concentration of ÕH- in a 0.050 M solu- tion of ethylamine (C2H;NH2; Kp, the pH…

A:

Q: Practice Exercise Which of the following couples are buffer systems? (a) KF/HF, (b) КBr/НBr, (с)…

A: Buffer solution are those which doesnot change its pH by addition of small amount of acid , base or…

Q: In an endothermic reaction at equilibrium, what is the effect of raising the temperature? O The…

A:

Q: 15. When two systems are in contact with each other, energy will move between them to reach…

A:

Q: QUESTION 47 Which product would be formed in the reaction below? Bry HO O a. Br OH Ob. Br Br OH Od.

A: Detail mechanistic pathway is given below

Q: What is the wavelength of a wave that has a frequency of 6.1 · 10° Hz? Remember that c 2.998 10 m/s.…

A: Wavelength is inversely proportional to the frequency

Q: Bolts of Ohmi Akinbak fabric, which are woven in Sacralstan, are sold in Sacralstanian units of 43.8…

A: To Calculate the square disc , we would use dimensional analysis method. For this we use the given…

Q: what is the pH of 5.6 x 10^-4M HCl

A: Hydronium ion concentration is an important parameter of an aqueous solution. The concentration of…

Q: s0000 600 700

A: If we increase the kinetic energy of water molecules (usually done by heating them) then the…

Q: Chemical or physical processes that can proceed in both the forward and reverse directions are…

A: Chemical or physical processes can be divided into two types  Irreversible process Reversible…

Q: Can you show the steps to achieve the products and the mechanism? And can you see if the product is…

A: The addition of BH3 occurs in a such way that the hydrogen atom adds to more substituted carbon and…

Q: D. Write the formation equation for MgO(s) E. Use Hess's Law and the above information to calculate…

A: This can be done as follows

Q: Q1. Name parts a through d - draw parts e through CH3-CH2-CH-CH2-NH, CH3 а. b. CH3 `N' H3CH2C с. 0=

A:

Q: Automobile air bags use the decomposition of sodium azide as their source of gas for rapid…

A:

Q: What happens to a reaction at equilibrium when more reactant is added to the system? O The reaction…

A: What happens to a reaction at equilibrium when more reactant is added to the system ?

Q: 19. Boiling water on the stove for cooking can be classified as a(n) process. - O endothermic…

A: If ∆H>0, then that will be an endothermic process. If ∆H<0, then that will be an exothermic…

Q: voltaic cell 1 Questions - All Questions Are Required Cathode eroded Precipitate

A:

Q: 4 Would you expect the entropy to increase in each of the following reactions? Explain your answer.…

A: Entropy: Entropy can be defined as the measurement of randomness or disorderness in the…

Q: We are given the concentration of substance A at 15 sec. (0.90 mole/L) and at 45 sec (0.30 mole/L)…

A: Given Concentration at 15s = 0.90 mole/L Concentration at 45s = 0.30 mole/L

Q: 1. Give the skeletal structure and the IUPAC name for: a. n-propyl propenyl ether b. isobutyl…

A:

Q: What happens over time if you add some salt to a glass of water and explain why it happens?

A: What happens over time if you add some salt to a glass of water and explain why it happens ?

Q: エ

A:

Q: synthesized calcitriol in *

A: Here fill in the blank question is  given.

Q: 7. Which one of the following reagents will not transform an aldehyde to a carboxylic acia? E)…

A: I will do first three questions according to Bartley Q and A guidelines In question 7 answer (D) is…

Q: n Completion Status: Moving to another question will save this response. n 2 new element (Rr) has…

A:

Q: - is the nitrogenous waste of body urea uric acid O creatinine creatine O O O O

A: ★ Answer : Correct option is • Urea   **  Urea  is the nitrogenous waste of body .   ** The nitrogen…

Q: Write the reaction involved in Ferrox Test.              a. What is the species responsible?…

A:

Q: 4

A: DNA strands are negatively charged so, they are attracted by the positive electrode. In gel…

Q: Consider the reaction N2(g) + 3H: (g) 2NH3 (g). What is the effect of decreasing the volume on the…

A: A system in its equilibrium state will remain in that state indefinitely as long as it is…

Q: A Moving to another question will save this response. Question 17 SHOW WORK Molly Kule has…

A: Here we are required to find the empirical formula and molecular formula of compound formed between…

Q: 1.37 Calculate the Unsaturation Index of each Compound ( b = 1.37 ppm, resonances singlet, 9H…

A:

Q: 17. Draw the structures of Compound 17a. and 17b. resonances Calculate the Unsaturation Index of…

A:

Q: Question 3 For the following coordination complex (Co(em)2(11,0)2)" Cive the name Diaqua bisethylene…

A:

Q: 1. Determine the amount of heat abs orbed when 35.77 grams of O2 are produced according to the…

A:

Q: Mass of Inner cup with stirrer on the digital balance=36.7 Mass of Inner cup with stirrer and warm…

A: To find out the experimental value latent heat of fusion of ice.

Q: "A new element (Rr) has been synthesized and its properties analyzed. When 0.157g of Rro (s) is…

A: Given :  Mass of RrO(s) = 0.157 gm  Mass of water = 125 gm  Initial temperature = 22.2 °C  ∆H =…

Q: A coordination compound of ruthenium, [Ru(NH3)4Cl2]Cl, has shown some activity against leukemia in…

A:

Q: what is the pH  of 3.5 x 10^-4M NaOH

A:

Q: 10. Which of the following substances has the highest concentration of hydrogen ions in solution? F)…

A:

Q: Glycerol contains:   a. oxygens which are each bonded to two alkyl groups b. oxygens single-bonded…

A: Given,  Glycerol

Q: Directions: Use and interpret the phase diagram below to answer the following questions. Write your…

A:

Q: How much heat (in kJ) is needed when 133.43 g of water warms and boils from 33.45°C to 100°C?

A: The mass of the water sample is = 133.43 g The initial temperature of the water is = 33.45oC The…

Q: or the following coordination complex (Mn(C204)(H20)2C13} Sive the name diaquatrichloridooxalatomang…

A:

Q: How many calories 5000 Joules are? show computation

A: There are different units of heat-  1- joule 2- calorie

Q: Question 35 Match the following C. v AE A work done on the system by the surroundings B. energy…

A: