Article: Bond energy is defined by the sum of all of the bonds broken minus the sum of all of the bonds formed: ΔH = ∑H(bonds broken) - ∑H(bonds formed). ΔH is the change in bond energy, also referred to as the bond enthalpy and ∑H is the sum of the bond energies for each side of the equation.  This equation is a form of Hess’s Law. The unit for bond energy is kilojoules per mol or kJ/mol. When given a reaction equation simply written with chemical symbols and numbers, it is helpful to draw this equation out, illustrating all of the bonds formed between the various elements and molecules. This visual representation will allow you to easily count all of the bonds that break and form on the reactant and product sides of the equation.  Remember, the left side of the equation is all of the reactants and the right side is all of the products. Single, double, and triple bonds have different bond energies, so be sure to draw your diagram with the correct bonds between elements.  For example, if you were to draw out the following equation for a reaction between 2 hydrogen and 2 bromine: H2(g) + Br2(g) ---> 2 HBr(g), you would get: H-H + Br-Br ---> 2 H-Br. The hyphens represent single bonds between the elements in the reactants and the products. In most cases, the bond energies you will be using for these calculations will be averages. The same bond can have a slightly different bond energy based on the molecule it is formed in; therefore, average bond energies are generally used..  A single, double, and triple bond are all treated as 1 break. They all have different bond energies, but count as only a single break. The same is true for the formation of a single, double, or triple bond. It will be counted as single formation. For our example, all of the bonds are single bonds. The left side contains the reactants. These will represent all of the broken bonds in the equation. This is an endothermic process that requires the absorption of energy to break the bonds. For our example, the left side has 1 H-H bond and 1 Br-Br bond. The right side contains all of the products. These are all of the bonds that will be formed. This is an exothermic process that releases energy, usually in the form of heat. For our example, the right side has 2 H-Br bonds.
Question: What is a summary of what this article is about?
Define the equation for calculating bond energy. Draw the chemical equation showing all of the bonds between molecules. Know the rules for counting broken and formed bonds. Identify the bonds broken on the left side of the equation. Count the bonds formed on the right side of the equation.

Problem: Article: A Western saddle is larger and heavier than most English riding saddles. English saddles provide a closer contact with a horse's back, while a Western saddle can distribute the weight of a rider more evenly on the horse's back. Most Western saddles also have a horn in front to help with herding cattle. In general, Western saddles are deeper and more contoured than English saddles as well. If you want to ride Western, be sure that you are using a Western saddle and not an English saddle. Place the Western saddle on your horse to prepare your ride. Be sure that you place a saddle pad on your horse's back and secure all loose straps before attaching the saddle itself. Make sure the distance between your horse's elbow and the front cinch is about the width of 3 fingers to ensure a proper placement. Then you can connect the cinches and breast collar (if used) to secure your saddle. There are many different kinds of bridles, used for different kinds of horse activities. However, in general, a Western bridle is less complicated than an English bridle and has fewer components. Western bridles often do not have a noseband and instead have a component that fits around the horse's ears or underneath the chin.  Western reins can be split or connected with a handkerchief, but all Western reins can be held with a single hand. English bridles tend to use a snaffle bit, whereas Western bridles can involve either a snaffle bit or a curb bit. When you mount the horse, sit deeply on the saddle. You should sit immediately in front of the cantle (the back of the saddle that curves upward) but not be pressed tightly against it. Sit up straight and let your legs hang freely down the sides of the horse. A properly fitting Western saddle should have the bottom of the stirrups hitting your ankle bone. It might feel more secure to sit on the cantle. However, this is uncomfortable for your horse and you should move up a couple of inches. In order to be sure that your horse is comfortable and able to interpret your signals, be sure that you have good Western riding posture. Sit up straight with your legs securely in the stirrups. (Cowboy boots can help you remain in the stirrups properly.) Keep your legs hanging straight down from your hips--do not push them forward too far. Hold your reins with the non-dominant hand and keep your other arm loose at your side. Both arms should be at lap height or so. Do not raise your arms too high.
Summary: Purchase a Western saddle. Saddle your horse. Use a Western bridle. Sit deeply in the saddle. Sit up straight with relaxed arms.

A silver dress is already a bold fashion move, and adding a loud necklace will only make your outfit seem unnecessarily gaudy. Your necklace should not compete with your dress.  If sticking with silver or silver and gold, a dainty chain with a simple pendant works nicely, depending on your dress’s neckline. For an appropriately bolder look, wear a necklace with chunky black or blue beads mixed with gunmetal. It can be a choker or a long loop that drapes across your torso. A delicate silver or two-toned chain bracelet adds a touch of class. Thin silver bangles are festive yet feminine. A thick, chunky bracelet in black, gunmetal, or deep blue adds contrast to your dress but avoids clashing or competing with it. Earrings can add just enough sparkle by your face to help correct the potential imbalance caused by having too much silver concentrated on the middle of your body. Choose the right posts, hoops, or dangling earrings to match your color scheme. Sparkly, decorative hair clips can either be playful or elegant, depending on the design. These, like earrings, can also help balance out the silver on your body.
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One-sentence summary --
Choose an unobtrusive necklace. Pick out a simple bracelet. Balance out the look with silver earrings. Add a touch of silver to your hair.