Chemistry Homework Help: Answers & Questions

• Chemistry volumetric analysis homework

  $10.00

  Chemistry

  Waiting for answer

• What are the boiling and freezing points of a solution in which 31.66g of naphthalene has been dissolved in 100g of benzene? Given that to and TF of benzene are 80.1°c and 2.5 °C respectively while kB

  $10.00

  Chemistry

  Waiting for answer

• Can someone read through the lab and procedures, and find plausible values for each section/measurement in data tables 1, 2, and 3?

  $10.00

  Chemistry

  Waiting for answer

• What is the particle diagrams for H2, Fe, Cu, CO, and SO2? Are they atoms or compounds?

  $10.00

  Chemistry

  Waiting for answer

• Please write about a protein of interest to you. Explain what special of it and any material or point that changed the way you think about it.

  $25.00

  Chemistry

  Answered

• Find the freezing point and boiling point of a solution containing 4g sucrose (C12H22O11) dissolved in 200g water.

  $10.00

  Chemistry

  Waiting for answer

• Determine the number of molecules of CO2 present if an industrial plant releases 4.557 × 103 moles into the atmosphere.

  $10.00

  Chemistry

  Waiting for answer

• Topic: Recent Advances of Hydrogen Storage and Energy For the literature review, you need to do the following things: 1) Choose 10 or more papers that focuses on the advances of hydrogen storage mate

  $15.00

  Chemistry

  Answered

• Name this compound and highlight the functional groups, stereochemistry, and why its interesting to synthesize. correlate the peaks to the molecule. Talk about the splitting and chemical shifts.

  $10.00

  Chemistry

  Waiting for answer

• preparation of nitro benzoic acid in presence of sodium hydroxide and hydrochloric acid

  $10.00

  Chemistry

  Waiting for answer

• I have provided the questions in the PDF files. Thank you for your help!

  $15.00

  Chemistry

  Waiting for answer

• determine the force needed to acelerate a 1,357 kg cr forward at 8.0 m/s2

  $10.00

  Chemistry

  Waiting for answer

• chemistry

  $10.00

  Chemistry

  Waiting for answer

• 1.Given below is the dissociation of NH3 in water having a Kb value of 1.8 × 10-5. The reaction started with the equilibration of 0.65 M NH3. A common ion that is 0.25 M NH4Cl, was added to the initia

  $10.00

  Chemistry

  Waiting for answer

• I'm having trouble finding the "Total moles of H+ (mol) In Solution" for both data tables. I need those values to continue the rest of the assignment.

  $10.00

  Chemistry

  Waiting for answer

• A compound contains 43.64% P with the remainder being oxygen. What is the empirical formula of the compound?

  $10.00

  Chemistry

  Waiting for answer

• Two different atoms have four protons each and the same mass. However, one has a positive charge while the other is neutral . Describe what each atomic structure could be , listing the possible number

  $10.00

  Chemistry

  Waiting for answer

• H2 is produced by the reaction of 115.1 mL of a 0.8980 M solution of H3PO4 according to the following equation.2 Cr + 2 H3PO4 → 3 H2 + 2 CrPO4

  $10.00

  Chemistry

  Waiting for answer

• Calculate the percent composition for H2SO4

  $10.00

  Chemistry

  Waiting for answer

• Limestone(CaCO3) is used to remove acidic pollutants from smokestack flue gases in a sequence of decomposition-combination reactions. The limestone is heated to form lime (CaO), which reacts with sulf

  $10.00

  Chemistry

  Waiting for answer

• Solid zinc oxide is added to hydrochloric acid to form zinc chloride in water. How many grams of water will be produced when 6.0 moles of zinc oxide is used?

  $100.00

  Chemistry

  Waiting for answer

• Question one.

  $10.00

  Chemistry

  Waiting for answer

• Potassium iodate is most often used to iodide table salt. The weight fraction of potassium iodate in table salt is 0.006%. 0.59 g of iodine is contained in 1.00 g of potassium iodate. e) Calculate

  $10.00

  Chemistry

  Waiting for answer

• TQ Artificial Intelligence (AI)

  $10.00

  Chemistry

  Waiting for answer

• I need examples for pure substances with only one element.

  $10.00

  Chemistry

  Waiting for answer

• 4.21 moles of S2Cl4 are introduced into a 2.0 L vessel. S2Cl4(g) 2SCl2(g) At equilibrium, 1.25 moles of S2Cl4 are found to remain in the container. Calculate Kc for this reaction.

  $10.00

  Chemistry

  Waiting for answer

• homework

  $10.00

  Chemistry

  Waiting for answer

• Context: will be measuring the absorbance of para-nitrophenol in a buffer solution with pH 6.3. Estimate the absorbance ("extinction") coefficient. For 100% anion the value is 1.86 x 10^4. Assume th

  $10.00

  Chemistry

  Waiting for answer

• 1. Answer the case study question. Research to gather any needed information. Assess the reliability or credibility of the source and only use credible sources. 2. Cite all sources used. 3.

  $15.00

  Chemistry

  Answered

• The equation below shows the reaction of sodium with water. In an experiment 0.85g of sodium were reacted with a large volume of water. 2Na+2H2O —> 2NaOH + H2 Find the number of moles of sodium r

  $10.00

  Chemistry

  Waiting for answer

• How do I know how a change in acetic acid involved in a buffer solution affects the order of the reactant [H+]. I got rate=k[H2O2][I-] and the order for [H=] is 0. However, would this affect the order

  $10.00

  Chemistry

  Waiting for answer

• Could you describe what types of reaction (synthesis, double displacement, single displacement, ect) is CCl4 + 2HF → CCl2F2 + 2HCl and 3O2 + Sunlight = 2O3?

  $10.00

  Chemistry

  Waiting for answer

• checkk attachment need answers in 1 hour

  $30.00

  Chemistry

  Waiting for answer

• Hi, i need help for details explanation and answer

  $10.00

  Chemistry

  Waiting for answer

• Write an 8-page narrative essay (about 2000 ish words) on your learnings in General Chemistry II and how those learnings intersect with your COVID experience and your larger learning journey (for coll

  $80.00

  Chemistry

  Answered

• ESSAY. Complete your minimum 3ish page (800 word) reflection on a separate sheet of paper. Make sure you address all of the questions asked. Grammar and spelling are considered so please check these w

  $40.00

  Chemistry

  Waiting for answer

• ESSAY. Complete your minimum 3ish page (800 word) reflection on a separate sheet of paper. Make sure you address all of the questions asked. Grammar and spelling are considered so please check these w

  $40.00

  Chemistry

  Answered

• All the instructions are in the attached file. Due date: December 3rd at 5pm.

  $15.00

  Chemistry

  Answered

• Q5 and 6 please

  $10.00

  Chemistry

  Waiting for answer

• Homework Questions 1)The pyruvate dehydrogenase complex utilizes multiple different cofactors. List each cofactor and where it is found in the enzyme and explain its role in the overall mechanism. 2)

  $65.00

  Chemistry

  Answered

• ionic problems. Al(OH)3

  $10.00

  Chemistry

  Waiting for answer

• The solubility of benzoic acid in water is 0.07 g/100 ml at 0oC and 6.8 g/100 ml at 100oC. Answer the following questions if 5.1 grams of benzoic acid were to be heated to boiling in 100 ml of water.

  $10.00

  Chemistry

  Waiting for answer

• plz help thanks. question is in attached file!

  $10.00

  Chemistry

  Waiting for answer

• 44 g of CO2 is compressed into a capsule used for propulsion. If the volume of the capsule is 0.03 L, what is the pressure?

  $10.00

  Chemistry

  Waiting for answer

• How to understand naming polyatomics

  $10.00

  Chemistry

  Waiting for answer

• If the Ka of a monoprotic acid is 3.8x10-6, what is the pH of a 0.24 M solution of this acid?

  $20.00

  Chemistry

  Waiting for answer

• If the Ka of a monoprotic acid is 3.8x10-6, what is the pH of a 0.24 M solution of this acid?

  $20.00

  Chemistry

  Waiting for answer

• Questions attached

  $10.00

  Chemistry

  Waiting for answer

• Please draw the structures of the two products that are formed from this acid catalyzed hydrolysis reaction. [Methanol is a third product and does not need to be drawn.]

  $10.00

  Chemistry

  Waiting for answer

• PERIODIC LAW PUZZLE In this exercise, you will use your knowledge of periodic properties and a list of clues to arrange the main group (representative) elements into a periodic table. Use the clues be

  $10.00

  Chemistry

  Waiting for answer