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Complete combustion of a 0.0250 mol sample of a hydrocarbon, CxHy, gives 1.680 L of CO2 at STP and 1.351 g of H2O.
(a) What is the molecular formula of the hydrocarbon?
(b) What is the empirical formula of the hydrocarbon?
Question- Write the net-ionic equations for all of the reactions involved in the testing of each of the anions, Underline any solids. Show the physical form (g,l,s,aq,) ect.. For all species.
(a) The volume of this balloon will (increase/decrease) (slightly/dramatically). In thisexperiment (pressure/temperature/amount of gas) (is/are) constant. (b) Calculate the new volume using the ideal gas law.
Decide whether each of the following 4 mechanisms could match what is observed in the graph. You must explain your decision for each case (does it match or not and WHY!)
Benzene is a trace component of gasloine. What is the mole ratio of benzene to n-octant in the vapor above a solution of 40.0% benzene and 60.0% n-octane by the mass
Define mole, molar mass and Avogadro's. What is the relationship to one another. Example and include an example
Bromocresol green, Ka = 2.0x10^-5, is yellow in its protonated form (HX) and blue in its ionized form (X^-). At what pH will bromocresol green be a perfect green color
oxygen are mixed according to the equation 2 H2 + O2 = 2 H2O, which is the limiting reagent
The formula weight of MnSO4 monohydrate is 168.97 g/mol. MUST SHOW WORK!! A) hydrated B) solvated C) saturated D) unsaturated E) supersaturated
Calculate (a) the volume occupied by 8.2 mmol of the gas under these conditions and (b)an approximate value of the second virial coefficient B at 300 K.
Identify which gas is in excess and by how much and calculate the volume of nitrogen produced.
One molecular form of elemental sulfur is a ring of eight sulfur is a ring of eight sulfur atoms. As one molecule of this element is burned to make sulfur trioxide, how many oxygen molecules are used?
Calculate the distances NH# gas and HCL gast would travel in this experiment if a 100.0-cm tube were used, based on the accepted molar masses of the two gases.
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