6 Drinking water is obtained by purification of sea water and river water.(a) Desalination is used to convert sea water into drinking water.What is desalination?removal ofsalt(s).(from seawater.(.(b) River water is often polluted by phosphates and nitrates.(i) Give the source of these ...
Is water an element, a compound, or a mixture? Explain. Is seawater classified as a mixture or a pure substance? Explain. Is isopropyl alcohol a heterogeneous or homogeneous mixture? Explain. Is isopropyl alcohol classified as a pure substance (element or compound) or a mixture? Explain. Expl...
(i) There are 5 steps to the method for this experiment.Complete the missing steps for this method.Step 1-Put seawater into beaker A and tap water into beaker B.Step 2一Step 3一Step 4、Step 5-Calculate the temperature change of beaker A and beaker B.[3](ii) Suggest one mistake t...
Classify whether seawater is a pure substance, heterogeneous mixture, or a solution. Determine the percent of water of crystallization in pure sample of green vitriol (FeSO_4.7H_2O). Which of the following observations is quantitative? a. The liquid turns blue ...
PKC-theta inhibitor in vivo Drying the grafted starch was followed by its crosslinking with PVP via hydrogen bonds, improving the film's water stability compared to unmodified starch films in fresh water. The film's rapid dissolution in seawater is attributable to the disruption of its hydrogen ...
Seawater is the only substance that is currently known to be both a powerful alkalizer and a daily source ofchelatedminerals. Can remineralize the body on a daily basis and an important liquid for bodily hygiene, Mineralis Life is also an invaluable element of any alkalizing diet or detoxifying...
B35Adrenomedullin Is A Potent Inotropic Substance In Isolated Perfused Rat Hearts.adrenomedulllinpositive inotropyisolated heartIn this work, we describe a high-resolution fluorometric shipboard analyser and an improved method to determine NH 4 + in oligotrophic seawater. The limit of detection is <5...
Free Essay: Water is the most important substance on earth, all plants, animals and humans must have water to survive. Chemically, water is a compound made...
Instrument stability was optimized using a Suwannee River Fulvic Acid standard (SRFA), obtained from the International Humic Substance Society. Potential carry-over between samples was monitored by injecting HPLC-grade methanol. The instrument was flushed between samples using a combination of milliQ ...
Seawater is an example of a) a compound. b) a homogeneous mixture. c) an element. d) a heterogeneous mixture. Classify the substance calcium carbonate (CaCO_3) as the following: a) element b) compound c) pure substance d) homogeneous mixture e) he...