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A certain elementX forms a compound with oxygen in which there are two atoms ofX for every three atoms of O. In this compound, 1.125 g ofX are combined with 1.000 g of oxygen. Use the average atomic mass of oxygen to calculate the average atomic mass ofX. Use your calculated atomic mass to identify the elementX.
concentrated sulfuric acid used in the labortory is 95% by mass. calculate the mass of water in 100-g
a in the reaction of ethanol with kbr in the presence ofh2so4 diethyl ether may be formed as byproduct. describe by
concentrated sodium hydroxide is used as a laboratory reagent. the percent by mass of sodium hydroxide is 69.0. what is
if the rate of decomposition of N2O5 at a particular instant in a reaction vessel is 4.2 x 10^-7 M/s, what is the rate of appearance of NO2
The first-order rate constant for the reaction of methyl chloride (CH3Cl) with water to produce methanol (CH3OH) and hydrochloric acid (HCl) is 3.32 10-10s-1 at 25°C. Calculate the rate constant at 38°C if the activation energy is 116 kJ/mol.
the original conditions on a container filled with gas at a constant temperature are 180 cc and 300 mm hg. the desired
Which of the subsequent molecules would be expected to form hydrogen bonds in the liquid or solid state- ethylene glycol, methanol, and formaldehyde
Determine what is the observed rate for the given reaction - empirically determined rate
n KPH= mass KPH * 1 mol KHP/ MM KHP. for trial 1 my mass of KHP was 2.98 s. How do I calculate this with out knowing what MM KHP stands for
A metal, M, was converted to the chloride, MCl2. Then a solution of the chloride was treated with silver nitrate to give silver chloride crystals, which were filtered from the solution.
Assuming no energy is transferred to or from the surroundings, calculate the final temperature of the water after all the ice melts.
Calculate the pressure when temperature is increased to 383 0C and volume of container keeps constant?
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