Chemistry Homework Answers & Questions

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  • Waiting for answer A sample of gas has an initial volume of 3.5 L at a pressure...

    A sample of gas has an initial volume of 3.5 L at a pressure of 970 torr and a temperature of 25*C. If the sample is heated to a temperature of 40*C and expands to a volume of 6.8 L, what is the final pressure in torr?

  • Waiting for answer If I have a cylinder that holds 10.7 L of gas at 298 K, how...

    If I have a cylinder that holds 10.7 L of gas at 298 K, how many liters of gas could it hold at 352 K?

  • Waiting for answer Chemistry

    Grade Level - 10/11 need help with 10 Chemistry questions that I got wrong. need to understand the calculations. 

  • Waiting for answer One way to make ammonia is to synthesize it directly from el...

    The equation for this reaction would be N2 + 3 H2 → 2 NH3. If you are able to stream in 7.0 g of N2, what would be the minimum amount of H2 in grams that would be required to completely react with this amount of N2?  A. 1.5 g  B. 0.5 g  C. 0.75 g  D. 3.0 g  E. none of the above

  • Waiting for answer Propane is commonly used to heat gas grills. Using the balan...

     A.  1 mole O2 = 32.00 g  B.  4 moles H2O = 72.08 g  C.  5 moles O2 = 2 moles CO2  D.  5 moles O2 = 4 moles H2O  E. none of the above

  • Waiting for answer Which of the following is NOT true regarding calculating per...

     A. percent yield = (actual yield / theoretical yield) × 100%  B. The theoretical yield is the amount of product that can be made based on the amount of limiting reactant.  C. The limiting reactant is completely consumed in a chemical reaction.  D. The actual yield is the amount of product actual...

  • Waiting for answer Below is a generic equation for a reaction. If I mix 2 uni...

     A. Both reactants will fully react.  B. Not enough information given  C. There would be no reaction.  D. Substance A will be the limiting reactant.  E. Substance B will be the limiting reactant.

  • Waiting for answer Organic Chemistry II - CHM 25600

    Looking for full course help in the subject "Organic Chemistry II - CHM 25600". I have attached syllabus. Please go through it carefully and let me know if you can do it very well assuring high grade. 

  • Waiting for answer chemistry questions

    in 100 words or more each with references and in text citations answer each of the 3 questions.    Energy conservation refers to reducing energy consumption through using less of an energy service. Energy cannot be created or destroyed, but only changed from one form into another or transferred from...

  • Waiting for answer 430 Unit 3 IP

    Deliverable Length:  400–500 words This week, you will explore the link between successful relationships and strategies. In addition to relationships and strategies, supply chains must be managed. Successful management of the supply chain includes measurement and managing risk. Create Section 5 of y...

  • Waiting for answer 400 word essay, APA ciation

    Devin lives in an old house with lead pipes and is concerned about the health impact of lead in their drinking water. Several water filters including the Brita® Longlast Filter advertise that the filters will effectively remove lead from the first 120 gallons of drinking water. Will this filter make...

  • Waiting for answer chem 4a

    everything explaned down Essays will be graded on your ability to identify and communicate how key requirements of experimental design apply to the prompt. Don't worry if you have a different response from your friends and study group, there is more than one correct answer to each prompt.  Your wor...

  • Waiting for answer Nina Pham - Ebola Case Assessment - 7 Hours Maximum Please....

    "Plaintiff's Petition in the Nina Pham - Ebola Lawsuit" - This is the document that you should be looking at to complete the Case Assessment assignment.  Again, this assignment simply asks you to read just this document , assess the merits of the lawsuit, and then write your personal assessment  - m...

  • Waiting for answer chem 4a h

    everything explaned down Essays will be graded on your ability to identify and communicate how key requirements of experimental design apply to the prompt. Don't worry if you have a different response from your friends and study group, there is more than one correct answer to each prompt.  Your wor...

  • Waiting for answer chem 4a

    everything explaned down Essays will be graded on your ability to identify and communicate how key requirements of experimental design apply to the prompt. Don't worry if you have a different response from your friends and study group, there is more than one correct answer to each prompt.  Your wor...

  • Waiting for answer chemistry questions

    in 100 words or more each with references and in text citations answer the 4 questions. What is energy? What is work? What are several types of energy that exist and describe the means by which one type of energy may be converted into another type of energy  What is meant by the heat capacity of a s...

  • Waiting for answer Algorithm Design

    Use the data format presented in the Week 1 summary for products and customers, and use the information provided in the following scenario: The number of products in the system is about 300 elements. The memory in the system is capable of holding all of the elements in the products list. The amount...

  • Waiting for answer Reflection Short Paper

    Please view the video at --  https://www.youtube.com/watch?v=B7NPtCOPAZ4  --  Submit a short paper (500 words) reflecting on the presentation.  Digital technology is quickly becoming a central part of our lives. But in our digital world, we cannot lose sight of the importance of tactile experiences...

  • Waiting for answer chemistry questions

    in 100 words or more each answer the 6 questions with references and in text citations. 1.       What is the definition of a "mole" of a substance? Why is the mole a convenient quantity to use in chemistry? 2.       Why is it important to know and classify various chemical reactions? Provide exampl...

  • Waiting for answer chemistry questions

    Address each of the 3 questions in 100 words or more each with references and in text citations. Classify matter as an element, compound, homogeneous mixture, or heterogeneous mixture with regard to its physical state and composition Apply the law of conservation of matter Describe the properties an...

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