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What are the temperature-dependent properties of materials used in making thermometers?
What dilution would be necessary to get the absorbance of 62.2 down to 3.1
Question- A sealed 2 L container at 20.0 degrees Celsius hold 150g of ammonia (NH3). 150g of carbon dioxide (CO2) and 150g of Nitrogen (N2). What is the total pressure in atmosphere
How much heat does your body lose when 2.60 of sweat evaporates from your skin at 25 ? (Assume that the sweat is only water.) The heat of vaporization of water at 25 degrees C is 44.0g.
Glucose and mannose differ in structure only at one chiral carbon. which term BELOW best describes glucose and mannose?
Calcium and Magnesium carbonates occur together in the mineral dolomite. Suppose you heat a sample of the mineral to obtain the oxides,CaO and MgO, and then treat the oxide sample with HCl.
The molar volume of the liquid at this temperature and pressure is 163.3 cm^3/mol. At 100 atm the melting temp changes to 351.26 K. Calculate the enthalpy and entropy of fusion of the solid.
5.0 g of a substance is mixed with 125g of benzene. This will lead to a boiling point of 0.65K. Calculate the freezing point
Question- Melting 2.500 grams of platinum metal requires 284.25 Joules. The melting point of platinum is 1768 °C. What is the ?S for the melting of platinum metal in J/mol K
At 25°C, you take 100 mg of Na2CO3 as well as 100 mg of CaCl2; place them into a 1 L volumetric flask as well as add water at a pH=9.0. Will CaCO3 precipitate. Presume closed system with a constant pH
for the reaction cog cl2 cocl2g at aparticular temperature k 6.66e-12 when all concentration areexpressed in mol l.
A sample of tap water consists of water, fluoride ions, calcium ions, and several other dissolved ions. The ions are evenly distributed throughout the water. Which term or terms could be used to describe this sample of tap water
Define the reaction is second order in C4H6. Suppose the rate constant is 4.0 x 10^-2 M^-1s^-1, and the initial concentration of C4H6 is 0.080 M, Define how long will it take the concentration of C4H6 to reach 0.400M. Also how long are the 1st and..
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