What is the wavelength of white light?
The electromagnetic spectrum comprises a variety of types of electromagnetic waves, each with different wavelengths or frequencies. White light can... View Article
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What is the unit for the index of refraction?
There are no units for the index of refraction, because it is merely a ratio. The refractive index of a... View Article
What is the structure and function of the heart of a fish?
The systemic heart of fishes consists of four chambers in series, the sinus venosus, atrium, ventricle, and conus or bulbus.... View Article
What is the structural formula for 2-methylpropane?
H3C−CH(CH3)−CH3. The longest chain is 3 carbons long; a methyl group substitutes the chain at C2. The parent chain consists... View Article
What is the role of buffer solution in complexometric titrations?
A complexometric titration uses the formation of a coloured complex to indicate the endpoint. Complexometric titration (sometimes chelatometry) is a... View Article
What is the percentage composition of ammonium nitrate, NH_4NO_3?
2×14g+4×1g+3×16g=80g The mass of 1 mol of NH4NO3 is 80g. 2×14g=28g The mass of N is 28g. Percent composition of... View Article
What is the oxidation state of each individual carbon atom in C2O4^(-2)?
The oxidation number of carbon atoms in C2O2−4 is the same for both atoms The oxidation number of oxygen is... View Article
What is the oxidation number of nitrogen in NO2?
Let x be the oxidation state of N, hence: x+2 x (-2)=0 x=+4 The oxidation state of N in NO2... View Article
What Is The Number Of Valence Electrons In Oxygen
Terrace farming refers to the act of creating steps or terraces on mountain slopes to carry out farming activities. In... View Article
What is the name of the following ion: H2PO4-?
DIHYDROGENPHOSPHATE ION is the name H2PO4(−) Dihydrogenphosphate is a monovalent inorganic anion that consists of phosphoric acid in which one... View Article
What is the molecular weight of H2O?
Atomic mass of H=1u Atomic mass of O=16u Now, for H2O there are 2 Hydrogens and 1 oxygen So multiply... View Article
What is the molar mass of (NH4)2CO3?
The chemical formula of ammonium carbonate is (NH4)2CO3, a chemical compound with a molar mass of 96.09 grams per mole.... View Article
What is the molar mass of helium in kg/mol?
Molar mass of helium is 4.g.mol−1 But it should be in-unit kg.mol−1 So the molar mass of helium is 4g.mol−1... View Article
What is the mass of one mole of water?
The molecular weight of water is 18 g/mol. Hence, one mole of water weighs 18 g. One mole of water... View Article
What is the mass number of a Calcium atom if it has 20 neutrons?
Mass number will always give the idea of how many protons and neutrons its nucleus contains. Mass number = no.... View Article
What is the ionic compound name for CaCl2?
The name for CaCl2 is calcium chloride. CaCl2 = Calcium and Chlorine = Calcium Chloride. It is an ionic compound... View Article
What is the integral of a constant?
The integral of a constant is equal to that constant times the variable of integration plus an arbitrary constant. Integral... View Article
What is the function of the pyloric sphincter?
The pyloric sphincter is a band of smooth muscle at the junction between the pylorus of the stomach and the... View Article
What is the function of the cartilage rings in the trachea?
The cartilaginous rings in the trachea and bronchi serve to hold the airway open so that oxygen can be breathed... View Article
What Is The Function Of Ependymal Cells?
Answer: The functions of ependymal cells are Ependymal cells are involved in the production of cerebrospinal fluid. Ependymal cells provide... View Article
