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A hydrocarbon gas (C, H) weighing 0.231 g covers a volume of 102 ml at 23 ° C and 749 mmHg pressure. What is the mole mass of this compound? What can you say about the molecular formula?
A copolymer of ethene and propene polymerised using Ziegler-Natta catalysts in the presence of a small proportion of conjugated diene, followed by vulcanisation yields an elastomer. How does the use of ethene and propene produce an elastomer?
what is the partial pressure of carbon dioxide at the end of the reaction. What is the mole fraction of carbon dioxide at the end of the reaction
We have a solution that is in equilibrium with solid Ag2SO3 (ksp=1.5x10^-14), and buffered at pH=8.00. The sulfite anion (SO3(2-)) is the conjugate base of the bisulfite anion (HSO3-), Calculate the concentrations of all chemical species present i..
What is the wavelength of an electron traveling with a velocity of 7.0 times 10 to the 3rd power?
dry-cleaning solvent (molecular weight = 146.99 g/mol) that contains C, H, and Cl is suspected to be a cancer-causing agent. When a 0.133 g sample was studied by combustion analysis, 0.239 g of CO2 and 0.0323 g of H2O formed. How many moles of eac..
What are three things that can happen when an electron beam interacts with a sample. What type of information can result from these interactions
calculate the bicarbonate and carbonate alkalinities in mgl as caco3 of a water having a total alkalinity of 233.0mgl
Problem- If gasoline (assume octane) is completely consumed in 1 millisecond at 2000K and 1 atm, its (average) rate of combustion in air exceeds 10^3 mol/m^3/sec.
The daily energy requirement for an active adult human is around 2500 calories per day. A nutritional calorie is equal to 4.2 kJ of energy. If each ATP contains -30 kJ/mol under standard conditions, how many molecules of ATP does the body require ..
what would you expect to see if you performed a benedits and fehlings tests on manosse and galactose?
Wireless networks are so ubiquitous and inexpensive that anyone can easily build one with less than $100 worth of equipment. However, wireless networks are exactly that-wireless- they do not stop at walls. Living in an apartment, dorm, or house means..
flask containing a mixture of A and B at equilibrium was discovered, and the concentration of A at room temperature was determined experimentally to be 3.1 x 10^-2 mol/L. What is the concentration of B
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