Water is made up of two different elements, 2 hydrogens and 1 oxygen, so H2O is a compound. Two oxygen atoms (O2) are two elements, but they are the same element, so O2 is a molecule. Iron oxide (Fe2O3), or rust, is made up of two different elements, 2 irons and 3 oxygens...
Hydrogen peroxide decomposes to form water and oxygen according to the equation:2H2O2(1)→2H2O(1)+O2(g)(a) The decomposition of hydrogen peroxide involves a change from the liquid state to the gaseous state Descnbe the difference in both the movement and arrangement of particles in a liquid...
But when they react, it forms H2O with a release of heat.Lange Answered Dec 24 2021 Well, water is composed of TWO different elements chemically bound together, in a precise ratio, and has definite physical, and chemical properties … And thus by definition, it is a chemical compound… And...
mL); the organic layer was separated, and the aqueous layer was extracted with EtOAc (2 × 8mL). The combined organic layers were washed consecutively with 1 N H2SO4 (5 mL) andH2O (2×10 mL) and dried (Na2SO4), and the solvent was evaporated under reduced pressure.The residue was...
英语化学求分子式和试验试!A compound contains only carbon,hydrogen,and oxygen.Combustion of 10.68 mg of the compound yields 16.01 mg CO2 and 4.37 mg H2O.The molar mass of the compound is 176.1 g/mol.What are the empirical and molecular for
1 Sodium sulfate is a compound with many uses.(a)The formul a of the main compound used as the source of sodium sulfate is Na,SO,.10H,O How many different elements are shown in this formula??C(1)□ A 2 B 3□ C 4□ D 5(b)Sodium sulfate can be made from sodium hydroxide an...
H2O: Insoluble 溶液配制表 DMSO 1mg5mg10mg50mg 1 mM 1.2272 mL 6.1362 mL 12.2723 mL 61.3617 mL 5 mM 0.2454 mL 1.2272 mL 2.4545 mL 12.2723 mL 10 mM 0.1227 mL 0.6136 mL 1.2272 mL 6.1362 mL 20 mM 0.0614 mL 0.3068 mL 0.6136 mL 3.0681 mL 50 mM 0.0245 mL 0.1227 mL 0.2454 mL 1.2272 mL ...
Product Description PRODUCT DESCRIPTION Dimethyl sulfoxide (DMSO) is an organosulfur compound with the formula (CH3)2SO. This colorless liquid is an important polar aprotic solvent that dissolves both polar and nonpolar compounds and is miscible in ...
A is shown in the equation below.base一Aldol A The following shows the mechanism for the Aldol Addition reaction involving two propanone molecules.+ OH○fast step 1+H2O日H Qstep 2:X slow⊙8 99O OH+(step 3:+H2O OH A(i) State the type of reaction that has occurred in step 2 of ...
b. Bill's shirt is red. 2a. Unlike gold, which is an element, water is a compound. b. The liquid in the glass is water. Just as 'red' designates a kind instances of which (at a world-state w) constitute the extension of the predicate 'is red' (at w) , so 'water' ...