Calculate the mass of ethylene glycol
Calculate the mass of C2H6O2 that must be added to 1.00 kg of ethanol, C2H5OH,to reduce its vapor pressure by 13.2 torr at 35 degree celsius. The vapor pressure of pure ethanol at 35 degree celsius is 100 torr.
Now Priced at $20 (50% Discount)
As a chemist for an agricultural products company, you have just developed a new herbicide,"Herbigon," that you think has the potential to kill weeds effectively. A sparingly soluble salt, Herbigon is dissolved in 1M acetic acid for technical reas
1.what advantage do calcium chloride pellets have over magnesium sulfate powder. 2.what advantage does decantation have over filtration for small volumes
Question: Pure oxygen was first made by heating mercury (II) oxide: 2HgO --> 2HgO2. How many grams of mercury and how many grams of oxygen are formed from 45.5 g of HgO?
At 500°C and 93.2 kPa, the mass density of sulfur vapour is 3.710 kg m-3. What is the molecular formula of sulfur under these conditions.
The initial volume of a gas cylinder is 750.0 mL. If the pressure of a gas inside the cylinder changes from 840.0 mmhg to 360 mm hg , what is the final volume the gas occupies?
Calculate the molar mass for each of the following: calcium sulfide, CaS. For element X, 59.8 g corresponds to 2.6 moles. What is the atomic mass of the element?
The temperature of 2.00 moles of Ne(g) is increased from 25 C to 200 C at constant pressure. Calculate the change in the entropy of Neon.
The isomerization of cyclopropane follows first order kinetics. The rate constant at 700 K is 6.20 × 10-4 min-1, and the half-life at 760 K is 29.0 min. Calculate the activation energy for this reaction.
The pH at the half-neutralization point. Enter only numbers in your answer. (Do not include units.) (d) The pH at the equivalence point.
the polar liquid will have the higher boiling point, since its molecules have dipole-dipole interactions. e. they will have similar boiling points, since the dispersion forces depend upon molar mass
Start Excelling in your courses, Ask an Expert and get answers for your homework and assignments!!