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Explain the empirical formula of a compound is CH. At 200 degrees Celsius, 0.145 g of this compound occupies 97.2mL at a pressure of 0.74atm, Explain what is the molecular formula of the compound?
Draw the molecule by placing atoms on the grid and connecting them with bonds. Include lone pairs of electrons and hydrogen atoms.
How much heat is needed to vaporize 2.42 g of liquid oxygen if the molar heat of vaporization for oxygen is 1,629 cal/mole?
61.0 mL of a 1.70 M solution is diluted to a volume of 268 mL. A 134-mL portion of that solution is diluted using 119 mL of water. What is the final concentration
BUild on this by writing out of a chemical equation for the reaction you expect 2 propanol will undergo. Write only the organic reactions and products and write them as structural formula.
If 0.215 mole of calcium chloride is dissolved in 491.9 ml of water, how much will it change the temperature of water (FWt=18.02)? The delta H=-81.3 kJ/mole for CaCl2
Electrons have half integer spin, ms= +-1/2. consider how the elements would be arranged if electrons had spin of ms= +-3/2. redraw the first two rows of the periodic table using this new criterion and list the new noble gases.
a sample of chlorine gas occupies a volume of 946ml at a pressure of 726mmhg. Calculate the pressure of the gas in (in mmhg) if the volume is reduced at constant temperatures to 154ml.
What is the splitting of the signal in the 1H NMR spectrum for the methyl protons of ethane? What is the splitting of the signal in the 1H NMR spectrum for the methyl protons of 1-bromo-2-methylpropane? Please explain?
what Kelvin temperature will the vapor pressure be 3.00 times higher than it was at 329 K?
In the following reaction, how many grams of NaBr will produce 244 grams of NaNO3? Pb(NO3)2(aq) + 2 NaBr(aq) PbBr2(s) + 2 NaNO3(aq)
What is the new boiling point point of water if you add 188 grams of magnesium chloride to 1250 g of water.
Considering Lewis structures, which of these compounds possesses a single unpaired electron?
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