1- What mass of Cu(s) is electroplated by running 28.5A of current through a Cu 2+ (aq) solution for 4.00 h ?Express your answer to three significant figures and include the appropriate units.
2-How many minutes will it take to electroplate 60.1g of gold by running 5.00 A of current through a solution of Au + (aq) ?Express your answer to three significant figures and include the appropriate units.
3-A Cu/Cu 2+ concentration cell has a voltage of 0.22V at 25 ∘ C . The concentration of Cu 2+ in one of the half-cells is 1.4×10−3M .What is the concentration of Cu 2+ in the other half-cell? Express your answer using two significant figures.
4- Calculate the equilibrium constant for each of the reactions at 25 ∘ C .O 2 (g)+2H 2 O(l)+2Cu(s)→4OH − (aq)+2Cu 2+ (aq) Express your answer using one significant figure.
5-Use tabulated electrode potentials to calculate ΔG ∘ rxn for each reaction at 25 ∘ C .2Fe 3+ (aq)+3Sn(s)→2Fe(s)+3Sn 2+ (aq) Express your answer using two significant figures.
Why Choose Us
Quality College Research Papers
We offer professionally written research papers to our clients. We ensure all instructions are followed and that your custom paper is perfect. For a custom research paper, we have expert writers to help you. They will write your paper and earn you good grades
Professional and Experienced Academic Writers
Are you looking for professional essay writers? Do you need custom paper writers to do your assignment? College essays online is packed with experienced writers who will handle your write my essay request. Order today to get quality services
Free Unlimited Revisions
Do you feel like your paper did not meet the requirements? Is there some instructions that have been skipped? Do not panic. Resubmit your essay for free and unlimited revisions. College essays online work to ensure our clients are satisfied.
Fast Delivery and 100% Money-Back-Guarantee
Do you have an urgent essay and you don't know what to do? Do you have very little to do your assignments. Visit our online essay writing service for assistance. We have professional essay writers who will take your urgent paper. We have the best turn-around timein the market
Plagiarism-free and Original Papers
If you are looking for a place to find original and plagiarism-free papers, visit collegessaysonline.com. We write your essay from scratch following your instructions. We ensure that every requirement is met, be it quality, delivery time, instructions etc.
24/7 Customer Support
If you have any concern or request, contact us anytime. We have a large team of customer support that are available 24/7. If it's a revision, send the revision file and any additional instructions and we will take care. Do not hesitate, Place an order with us today!
Chemistry Assignment Help
We offer quality chemistry assignment writing help to our clients. If you need any help with your chemistry assignment, talk to our custom paper writers. We also offer chemistry lab report writing service. Do not hesitate to seek paper writing help from college essays online.
Are you looking for help with an argumentative essay? Do you have difficulties writing an argumentative essay? College essays online is here to help you. We will write a custom essay that meets your requirements. Do not feel overwhelmed, visit our cheap college essay website for professional academic writing help.
Do you need help with a reflection paper? Are you feeling challenged when writing a reflective essay? Are you looking for someone to write my reflection essay help? College essay writers have the answer to your problems. Submit your reflective paper assignment and let our paper writers do the difficult work.
If you are looking for someone to write an award winning scholarship essay, you landed at the right place. Our custom essay writers are professionals and have a 10 year experience. We will write a scholarship paper that will impress the scholarship committee. Hurry to get 25% discount.
Are you looking for a critical analysis essay help? Do you need an online essay writing service to write your critical thinking essay? Visit our college essay website for help. We have professional essay writers who will develop a perfect critical essay for you.
Ethics is a prominent subject in many schools. Professors often ask students to reflect on a topic on ethics and write an essay. This requires a lot of research and knowledge. If you have been assigned an ethical research essay, contact essay writers at college essays online for assistance.
A narrative essay requires a student to tell a story about something. It might be historical or a present narration. This type of essay follows certain rules and instructions. When you face challenges writing a narrative paper, visit our narrative essay writing service.