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elements
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∙ 15y ago
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What do aeronautical engineers use ratios and proportions for?
I'm sure they use ratios and proportions at many different points in the practice of their profession. One obvious application is in construction of exact scale models of aircraft and their components for wind-tunnel tests.
When you estimate is your answer exact or approximate?
Estimates are never exact. They are a best guess at what the answer is. They are always going to be approximate.
Do reflections always have a line of symmetry?
Yes and it is always at the exact middle between the shapes
Estimated differences of the weight of two elephants is 100 pounds.give two examples of the exact amounts that would make the estimate reasonable.?
i have a two exact amount or compounds that the same amount and small different. of a two type for example. monkey have a 100 pounds or maybe 80% above. compounds ,last one is karabaw is above 98% compunds. or maybe that exact amount that's small different
What is the exact area of a circle with a diameter of 25 m?
The exact area is 625*pi. Since pi is an irrational number, any exact answer must include pi and may not contain a decimal (or rational) approximation of pi.
Do mixtures contain exact ratios of elements?
No, they do not.
What is the difference between stoichiometric and non stoichiometric solids?
Non-stoichiometric compounds are chemical compounds with an elemental composition that cannot be represented by a ratio of well-defined natural numbers.Stoichiometric compounds are compounds in which atoms are combined in exact whole-number ratios.
What the relationship between the elements and the compounds?
Atoms make up all matter. An element has atoms that are all the same. Compounds are made of different kinds of atoms combined chemically in exact whole number ratios.
Does 'organic' mean that it contains hydrogen?
Organic compounds are most compounds that contain carbon. There are some carbon compounds, such as carbon dioxide, that are inorganic. Thus, a more specific definition is that an organic compound is a compound that contains carbon bonded to hydrogen, although the exact distinction may not always be this simple.
What compound does not contain carbon and hydrogen together?
AnswerCompounds that do not contain carbon are inorganic; compounds that contain carbon are organic. Minerals are inorganic compounds.AnswerLoosely speaking, "inorganic".This is not exact scientific terminology, however, because there are inorganic compounds that DO contain carbon. Example: the global warming gas, carbon dioxide (CO2).Answerinorganic compounds.
When do two ratios form a proportion?
When both can multiply its comparisons to when both ratios share the exact same numbers.
What is the relationship between atoms elements and compounds?
I believe...compounds are made up of two or more elements. Elements are made up of atoms.
What is a list of Elements in a compound in exact ratios?
the emperical formula
What is the relationship between element and compound?
Atoms make up all matter. An element has atoms that are all the same. Compounds are made of different kinds of atoms combined chemically in exact whole number ratios.
Covalent compounds display which of these properties?
Covalent compounds are neutral. Covalent compounds share electrons. apex:)
What are the examples of synthetic media?
-The medium is chemically defined. This means that it only contains pure organic and pure inorganic compounds that are specified by an exact formula.The content varies little between sources. -Minimal media, for fungi, contain only a few essential compounds like salt and amino acids, other types of synthetic media are useful in research and cell culture when the exact nutritional needs of the test organisms are known.
What is the exact meaning of Empirical formula?
Simplest atomic ratio of the elements present in the compounds.
