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However, the names of all SI mass units are based on gram, rather than on kilogram; thus 10 3 kg is a megagram (10 6 g), not a *kilokilogram. The tonne (t) is an SI-compatible unit of mass equal to a megagram (Mg), or 10 3 kg. The unit is in common use for masses above about 10 3 kg and is often used with SI prefixes.
The hamburger contained seven stacked beef patties and measured 5 in (13 cm) high, weighed almost 2.2 lb (1.00 kg), and had more than 1,000 kcal (4,200 kJ). It was originally planned to be available for only seven days starting on 22 October 2009. [11]
The internationally recommended unit symbol for the kilobyte is kB. [ 1 ] In some areas of information technology , particularly in reference to random-access memory capacity, kilobyte instead typically refers to 1024 (2 10 ) bytes.
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There are gram calories and kilogram calories. One kilogram calorie, which equals one thousand gram calories, often appears capitalised and without a prefix (i.e. Cal) when referring to "dietary calories" in food. [17] It is common to apply metric prefixes to the gram calorie, but not to the kilogram calorie: thus, 1 kcal = 1000 cal = 1 Cal.
Planck length; typical scale of hypothetical loop quantum gravity or size of a hypothetical string and of branes; according to string theory, lengths smaller than this do not make any physical sense. [1] Quantum foam is thought to exist at this scale. 10 −24: 1 yoctometer 142 ym Effective cross section radius of 1 MeV neutrinos [2] 10 −21
The less soluble Mg(OH) 2 precipitates because of the common ion effect due to the OH − added by the dissolution of Ca(OH) 2: [7] Mg 2+ + Ca(OH) 2 → Mg(OH) 2 + Ca 2+ For seawater brines, precipitating agents other than Ca(OH) 2 can be utilized, each with their own nuances: Use of Ca(OH) 2 can yield CaSO 4 or CaCO 3, which reduces the final ...
Units are defined as multiples of a smaller unit except for the smallest unit which is based on convention and hardware design. Multiplier prefixes are used to describe relatively large sizes. For binary hardware , by far the most common hardware today, the smallest unit is the bit , a portmanteau of binary digit, [ 1 ] which represents a value ...