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Why does developing a model of Earth's interior require the collaboration of professionals from many different fields and many different locations around the world?
Question- A 0.785 gram sample of a diatomic element occupies 248 mL at STP. What are the molar mass and formula of the element. (Answer is 70.9g/mol, Cl2)
Draw and name the molecule which contains only carbon and hydrgen atoms only three of which are carbon
[BrO- ]initial is 0.86 M. 65 seconds later [BrO- ] is 0.19 M. What is the rate of change of [BrO- ] in M/s? (The brackets, [ ], indicate concentration, that is, molarity (M) or moles/liter.)
Specified the information: Define the hybridization of each carbon in the benzene ring is sp2 with delocalized electrons.
Forecast the products of the following oxides with water Na2O, BaO, CO2, N2O5, P4O10, SO3. State an equation for each of the reactions specify whether the oxides are acidic, basic or amphoteric
If the solution is 40.0% K2CO3 by mass, what is the predicted freezing point of this solution in °C, assuming full ionization.
What would happen when the manganese dioxide MnO2 was added to the peroxide solution. why did this occure
The compound has a molecular formula of C7H14O2. Draw the structure from the following NMR data: Ha=1H 1.2 ppm Hb=3H 1.3 ppm Hc=4H 4.1 ppm
The equilibrium constant Kc is 0.0025 at 2127 degree Celsius. If an equilibrium mixture at this temperature contains 0.023 mole N2 and 0.031 mole O2, what is the concentration of NO
Draw the structure of the product(s) of the reaction between (S)-3-phenylbutan-2-one and methylmagnesium bromide, followed by acidification. Use wedge and dash bonds to indicate stereochemistry. If more than one stereoisomer is formed, draw them a..
Question- If 2.65 moles of an ideal gas has a pressure of 3.02atm, and a volume of 24.39L what is the temperature of the sample in degrees Celsius
Calculate moles of permanganate required. b. Show a balanced redox equation i. oxidation ii. reduction iii. overall c. How many moles of lead are present
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