Problem: Write an article based on this summary: Remember the pH equation. Identify the actual concentration. Solve the equation.

Answer: The pH equation is as follows: pH = -log10[H3O+]. Ensure you know what all terms in the equation represent. Look at which term is used for concentration. In chemistry, square brackets usually indicate "concentration of". So the equation of pH would be read as "pH equals the negative logarithm of the concentration of hydronium ions". Read over your chemistry question. Identify the concentration of the acid or base. Write down the entire equation on paper with the known values represented in the equation. Always include units to avoid confusion. For example, if the concentration is 1.05 x 10-5 M, write the pH equation as: pH = -log10(1.05 x 10-5 M) When solving the pH equation, you must use a scientific calculator. First, hit the "negative" button. It is usually written as "+/-". Now key in the "log" button. Your screen should display "-log". Now hit an open bracket and enter in your concentration. Don't forget to add exponents when necessary. Follow with a closed bracket. At this point, you should see "-log(1.05x10^-5). Hit solve. Your pH should be approximately 4.98.

Problem: Write an article based on this summary: Make basic fudge Make fudge varieties.

Answer: . Fudge can be very simple without much flavoring added and it still tastes terrific. There are probably more fudge varieties than anyone can possibly ever name and likely even more yet to be invented! Categorized by type, here are a few fudge suggestions to get you started: Chocolate fudge: Cocoa fudge, chocolate fudge, etc. Nut fudge: Peanut butter and marshmallow fudge, Snickers fudge, etc. Fun fudge: Cookies and cream fudge, fantasy fudge, etc. Fruit fudge: Orange fudge, apricot fudge, Coconut fudge, etc.

Problem: Write an article based on this summary: Clean non-machine washable items with hot water and detergent. Try using a commercial product on leather. Wash tools and gear with rubbing alcohol or detergent. Take your clothing to a dry cleaner if necessary.

Answer: Wear long rubber gloves when hand-washing an item that can't go in the washer, like a leather jacket or shoes. Mix two tablespoons of laundry or dish detergent with two cups (480 mL) of hot water. Soak a sponge with the cleaning solution, wash the item's surface, then wipe away soapy residue with a wet cloth. You can use a toothbrush to scrub hard to reach places. Just remember to throw out the toothbrush and sponge when you're finished. To clean shoelaces, remove them and soak them in the cleaning solution, then rinse them under hot water. Check your item's care instructions and test any cleaning solution on an inconspicuous area before washing the entire item. If you're concerned about using detergent on leather garments or shoes, you can try applying a commercial urushiol removal product. Saturate a dry cloth with the product, rub it onto the item, then wipe it away with a wet cloth. Check your product's label or website to verify it's safe for leather, and test it on an inconspicuous area first. Don't forget to wash garden tools, golf clubs, jewelry, and any other exposed items. Rinsing them with rubbing alcohol will do the trick. If you don't have any handy, or are concerned about how alcohol might effect an object, wash it with dish or laundry detergent and hot water. If you have any doubts about hand-washing a delicate item, it's best to leave it to the professionals. Dry cleaners use chemicals that aren't water-based, so if your garment can't handle any water exposure, a professional can remove urushiol without damaging it. Be sure to keep your clothing in a plastic bag, and let your dry cleaner know that the items were exposed to poison ivy.

Problem: Write an article based on this summary: Create an individual User Profile for each person with an iPod. Create a new user by choosing System Preferences from the Apple menu, choosing Users from the View menu, then clicking New User. Edit the user's information. Choose Login from the View menu. Click the Login Window tab and make sure that "Automatically log in" is not checked. Open iTunes. From the iTunes Edit menu, choose Preferences. Click Advanced. Deselect the "Copy files to iTunes Music folder when adding to library file" option. Click OK. From the File menu, choose Add File to Library. Navigate in the Add File To Library window to the location where the other user's music is saved (the iTunes Music folder in the case above). Click Open. Open User Accounts in Control Panel. Under Pick a task, click Create a new account. Type a name for the new user account, and click Next. Click either Computer administrator or Limited, depending on the type of account you want to assign to the new user, and then click Create Account. Follow the Steps for Mac Users with iTunes above.

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Choose this option if you have very different musical tastes and want to keep your music libraries separate. Mac OS X users: You can give a user administrative privileges or not, or password protect if you wish. Note: Automatic login can be enabled, but to allow other users to login, the user that is automatically logged in at startup must choose Log Out from the Apple menu to bring up the login screen. Automatic login would also allow any user to have access to that user's documents. Note: Windows users can also choose Add Folder to Library to add a folder of songs. Windows users: You must have a computer administrator account to add a new user to the computer. If you see an account named Owner, rename that account with a user's name. The Owner account is the default account which is created when there are no other users designated, and it has administrative privileges The first user you add to the computer must be assigned the computer administrator account.