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What mass of glucose (180.0 g/m) must be added to 0.50 kg of water to increase the boiling point of the solution by 2.0 degrees C? (Kbp = 0.52 degrees C/mol)
a. 3.8g of glucose
b. 190g of glucose
c. 350g of glucose
d. none of the above
Write the systematic (IUPAC, or CA) names for the amines shown below. The names should have the format alkanamine.
Solution 1.0C 1xF 1.8F 32F2 to carry out the desired conversion. When the absolute temperature is 400 K, what is the Fahrenheit temperature?
Calculate concentrations of H30+ and the pH of each acidic solution. Since HCl is a monoprotic acid, the H30+ concentrations are equivalent to HCl. First do equation: (M con)(V con)=(M dil)(V dil)
At room temperature (about 20degree C) milk turms sour in about 64 hours. In a refrigerator at 3 degree C, milk can be stored for about three times as long before turning sour.
What mass of sodium azide is required to provide the nitrogen needed to inflate a 47.0 L bag to a pressure of 1.2 atm at 47 C.
Describe in 75 words the structure of the carbon atom. What types of bonds does carbon form and why?
Calculate [CO32- ] in a 0.025 M solution of CO2 in water (H2CO3). If all the CO32- in this solution comes from the reaction shown below, what percentage of the H+ ions in the solution is a result of the dissociation of HCO3‾?
When an ion-selective electrode for X was immersed in 0.0490 M XCl, the measured potential was 0.0470 V. What is the concentration of X when the potential is 0.0620 V?
if 860 liters of neon at 45°C and 800 mm. are decreased to 700 liters at the same pressure, what is the new temperature of this gas?
What is the pressure (in atmospheres) of a sample of gas trapped in the closed-tube mercury manometer
The heat of vaporization of 1.0 mole of water at 100°C and 1.0 atm is 40.6 kJ. Calculate the change in entropy for the process H2O(l) → H2O(g). Document your work here.
The weight of the product (Hexaphenylbenzene) for this part of the reaction was 2.04 g. What is the percentage yield? What is the overall percent recovery for the three step process?
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