A buffer consists of 1.00 M HC7H5O2 (Ka=6.46×10-5) and 1.50 M NaC7H5O2. What is the pH of this buffer? Give pH to two decimal places.
Consider the following chemical reactions: 2 K(s) + F2(g…
Consider the following chemical reactions: 2 K(s) + F2(g)
The molar solubility of silver sulfate, Ag2SO4, is 1.44×10-2…
The molar solubility of silver sulfate, Ag2SO4, is 1.44×10-2 M. Determine the Ksp of silver phosphate. Give your answer to two significant figures. Ksp = x 10^
Work out problems: You must SHOW ALL OF YOUR WORK (no work -…
Work out problems: You must SHOW ALL OF YOUR WORK (no work – no points). Unless stated otherwise, assume the temperature is 25°C. Report answers to three significant figures. Circle your final answers. Problem 1. (15 pts.) Determine the change in the freezing point of a solution that has 15.00 g of NaCl (58.44 g/mol) dissolved in 200.0 g of water. (Give
Spelling skills contribute to the instruction of phonics
Spelling skills contribute to the instruction of phonics
A new student swipes her ID card to enter a closed lab class…
A new student swipes her ID card to enter a closed lab classroom. The student should be allowed to access the room, but the card swipe fails due a hardware fault in the card. An intrusion detection system (IDS) analysis process decides that this event is a potential intrusion. State the name commonly used for this type of IDS decision and explain why that name is appropriate.
A student uses her smartphone to log in to a university appl…
A student uses her smartphone to log in to a university application by entering her user ID and her password into a form in a browser. She also responds to a prompt with the model of her first car.This is an example of multi‑factor authentication.
The left and right sides of both your keyboard and computer…
The left and right sides of both your keyboard and computer screen must be visible and your complete upper body must be centered in the camera’s field of view (as shown in the image above).
Company A in Atlanta has acquired Company B in Boston, and i…
Company A in Atlanta has acquired Company B in Boston, and is merging their operations. Each company has a local area network (LAN). Explain how IP security (IPsec) could be used to join the two LANs into a seamless single network across the Internet, as discussed in this course. You must identify the IPsec mode(s) and protocol(s) for your solution and thedevices impacted and explain why they are appropriate.
Brainstorm the audience. Write any and all ideas you have ab…
Brainstorm the audience. Write any and all ideas you have about the audience for this topic. Do not worry if the ideas are good or bad. Be sure to include a reference to Kenya. Think of brainstorming your topic as a funnel.Narrow down your audience from several options one specific audience. The way you write and the information you provide depends on who would read it. As you brainstorm, keep these questions in mind: Who would want to read about this topic? What does my reader already know about the topic? Who would this topic affect the most? Who could make a difference? What questions will my reader have? What do they already believe? What objections might they have? How can I earn their trust?