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If 37.3 g of CO2 is produced in the reaction of C2H2 with O2 to form CO2 and H2O, how many grams of H2O are produced in this reaction?
The formal charge on the P atom is zero and It is best described with three resonance structures.
Calculate the concentration of ions in the following saturated solutions. Al3+] in Al(OH)3 solution with [OH -] = 2.6 10-9 M
An industrial hygiene survey has been conducted to determine whether exposure of workers to ethyl benzene (molecular weight 106) exceeded the OSHA PEL of 100 ppm.
Fundamentals of acids and bases - Water self ionizes to a small extent creating equal concentrations of hydronium and hydroxide ions. Find the molar concentration of these ions in water at 25 o C?
Calculate the ratio of CH 3 NH 2 to CH 3 NH 3 Cl required to create a buffer with pH = 10.14. Express your answer using two significant figures.
Solving this question helps the student to understand how to find molecular formula using moles and mass and What is the molecular formula of this compound?
Determine how would you compare the escape velocity of asteroid Y as compare to the escape velocity of asteroid X?
Calculate the mass in grams for a sample of Al that absorbs 1.70kJ when the temperature increases from 56 degree Celsius to 177 degree Celsius?
60.0 mL portion of of 1.70 M solution is diluted to a volume of 288 mili litres. A 144-mili litres portion of that solution is diluted using 115 mLili litres of H2O. Determine the final concentration.
Determine the molarity of a solution of the weak acid HCl)2; Ka = 1.10*10^-2 if it has a ph of 1.25.
Compute the number of mL of 2.00M H2SO4 required neutralizing 125.5mL of 1.2M KOH
Using electronegativity, predict in the order of decreasing polarity the following bonds: N-P, N-O, N-C, N-S, N-F. Predict how valence electrons would pair up in the AsO4-3 ion.
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