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As a more complex example, the concentration of nitrogen oxides (NO x) in the flue gas from an industrial furnace can be converted to a mass flow rate expressed in grams per hour (g/h) of NO x by using the following information as shown below: NO x concentration = 10 parts per million by volume = 10 ppmv = 10 volumes/10 6 volumes NO x molar mass
The gram (originally gramme; [1] SI unit symbol g) is a unit of mass in the International System of Units (SI) equal to one thousandth of a kilogram.. Originally defined as of 1795 as "the absolute weight of a volume of pure water equal to the cube of the hundredth part of a metre [1 cm 3], and at the temperature of melting ice", [2] the defining temperature (≈0 °C) was later changed to 4 ...
In general the silver tael weighed around 40 grams (1.3 ozt). The most common government measure was the Kuping (庫平; kùpíng; 'treasury standard') tael, weighing 37.5 grams (1.21 ozt). A common commercial weight, the Caoping (漕平; cáopíng; 'canal shipping standard') tael weighed 36.7 grams (1.18 ozt) of marginally less pure silver.
The Icelandic krona similarly fell in value against the US dollar, from around 50 to 80 per dollar to about 110–115 per dollar; by mid-November 2008 it had continued to lower to 135 to the dollar. As of 2 April 2009, the value hovered around 119 per dollar, roughly maintaining that value over the next two years with 23 March 2011, prices ...
Gold dinar of Umayyad Caliph Abd al-Malik ibn Marwan, minted at Damascus, Syria in AH 75 (697/698 CE), having a weight of almost 1 mithqāl (4.25 grams). Mithqāl (Arabic: مثقال) is a unit of mass equal to 4.25 grams (0.137 ozt) which is mostly used for measuring precious metals, such as gold, and other commodities, like saffron.
For example, the purchasing power of the US dollar relative to that of the euro is the dollar price of a euro (dollars per euro) times the euro price of one unit of the market basket (euros/goods unit) divided by the dollar price of the market basket (dollars per goods unit), and hence is dimensionless. This is the exchange rate (expressed as ...
Troy weight is a system of units of mass that originated in the Kingdom of England in the 15th century [1] and is primarily used in the precious metals industry. The troy weight units are the grain , the pennyweight (24 grains), the troy ounce (20 pennyweights), and the troy pound (12 troy ounces).
The international dollar (int'l dollar or intl dollar, symbols Int'l$. , Intl$. , Int$ ), also known as Geary–Khamis dollar (symbols G–K$ or GK$ ), is a hypothetical unit of currency that has the same purchasing power parity that the U.S. dollar had in the United States at a given point in time.