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Explain a sample of helium gas occupies 1445mL at 721 mmHg. For a gas sample at constant temperature, find out the volume of helium at 745 mmHg.
What is the partial pressure in atm of N2 of ths mixture if it is held in 12.60-L vessel at 15 degrees celcius. What is the partial pressure in atm of H2 of this mixture if it is held in a 12.60 -L vesssel at 15 degrees celcius
Explain in your own words why an organic chemist would say structure determines properties.
A mass of 46 g of solid sodium reacts with 38 g of flourine gas to produce 84 g of sodium flouride, Na F.
State whether or not each of the following equilibrium reactions could have the equilibrium expression.
What are some of the side products that can occur in the preparation of meso-Tetraphenylporphyrin and Metalloporphyrin using pyrrole and benzaldehyde in acetic acid
Propose a mechanism for the addition of bromine and water to cyclopentene. Be sure to show how the trans product results
a cylinder storing oxygen at 20 mpa at 0 degrees celcius might explode if the pressure exceeds 50 mpa. what is the
In an ion, the sum of the oxidation states is equal to the overall ionic charge. Note that the sign of the oxidation states and the number of atoms associated with each oxidation state must be considered.
A 100 ml sample of 0.10 M Ca(OH)2 is titrated with 0.10 M HBr. Determine the pH the solution after the addition of 300.0 ml HBr
When the reaction was complete, 900 milliliters of carbon dioxide gas were collected at 740 mmHg and 30 degrees C. How many moles of calcium carbonate were consumed in the reaction
How many different types of resonance structures can be drawn for the ion SO32.
If a molecule having an ionization energy of 10.51 eV produces a photoelectron having a kinetic energy of 7.01676E-19 J, what is the wavelength of the incident radiation?
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