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How many grams of ice would be melted by the energy obtained as 23.4 g of steam is condensed at 100oC and cooled to 0oC?
Calculate the mass of KI in grams required to prepare 5.00x10^ 2mL of 3.2 M solution.
write down all species including states that are present in signicant amounts when the following solids are added to
Consider the titration of 80.0 mL of 0.100 M Ba(OH)2 by 0.400 M HCl. Calculate the pH of the resulting solution after the following volumes of HCl have been added.
calculate the molality and molarity of an nh3 solution made up of 28.5 g of nh3 in 70.0 g of water. the density of the
what is the conclusion for determination of percent composition in hydrated compound
An ideal solution is formed from a mixture of the nonvolatile solute urea, CO(NH2)2, and methanol, CH3OH. The vapor pressure of pure methanol at 20°C is 89 mmHg. If 4.9 g of urea is mixed with 31.0 g of methanol, calculate the vapor pressure of th..
a sample of 34.0 grams of nitrogen gas reacts with an excess of hydrogen gas to give an actual yield of 4.75 grams
Isooctane (2,2,4-trimethylpentate), one of the many hydrocarbons that make up gasoline, burns in air to give water and carbon dioxide.
a solution containing 3.47mm x analyte and 1.72 mm s standard gave peak areas of 3473 and 10222 respectively in a
Show that (∂H/∂P)T = 0 for an ideal gas using thermodynamic relationships and the definition of G
What types of crystals are formed by the following solid elements and compounds: BF3 BN (NH4)CO3? In each case, state the types of forces among the particles
A voltaic cell is constructed that uses the following reaction and operates at 298 K. Zn(s) + Ni2+(aq) Zn2+(aq) + Ni(s) (a) What is the emf of this cell under standard conditions
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