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Benedict's reagent (often called Benedict's qualitative solution or Benedict's solution) is a chemical reagent and complex mixture of sodium carbonate, sodium citrate, and copper (II) sulfate pentahydrate. [1] It is often used in place of Fehling's solution to detect the presence of reducing sugars. The presence of other reducing substances ...
Displacement (fluid) Measurement of volume by displacement, (a) before and (b) after an object has been submerged. The amount by which the liquid rises in the cylinder (∆V) is equal to the volume of the object. In fluid mechanics, displacement occurs when an object is largely immersed in a fluid, pushing it out of the way and taking its place.
The Douglas A-20 Havoc (company designation DB-7) is an American light bomber, attack aircraft, night intruder, night fighter, and reconnaissance aircraft of World War II. Designed to meet an Army Air Corps requirement for a bomber, it was ordered by France for their air force before the USAAC decided it would also meet their requirements.
Rocket candy. Rocket candy, or R-Candy, is a type of rocket propellant for model rockets made with a form of sugar as a fuel, and containing an oxidizer. The propellant can be divided into three groups of components: the fuel, the oxidizer, and the (optional) additive (s). In the past, sucrose was most commonly used as fuel.
The M2 Browning machine gun with a tripod weighs 58 kg (128 lb).. A heavy machine gun (HMG) is significantly larger than light, medium or general-purpose machine guns. [1] HMGs are typically too heavy to be man-portable (carried by one person) and require mounting onto a weapons platform to be operably stable or tactically mobile, have more formidable firepower, and generally require a team of ...
A solid-propellant rocket or solid rocket is a rocket with a rocket engine that uses solid propellants (fuel / oxidizer). The earliest rockets were solid-fuel rockets powered by gunpowder; The inception of gunpowder rockets in warfare can be credited to the ancient Chinese, and in the 13th century, the Mongols played a pivotal role in ...
Templeton was wading through around 3 feet (almost 1 meter) of water in a creek in Madison County on August 3 when he stumbled across a giant tusk partially exposed from the mud bank.
A medium machine gun (MMG), in modern terms, usually refers to a belt -fed machine gun firing a full-powered rifle cartridge, and is considered "medium" in weight (15–40 lb or 6.8–18.1 kg). [1][2] Medium machine guns are light enough to be infantry -portable (as opposed to a heavy machine gun, which completely relies on mounting onto a ...