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A mixture of 0.144 moles of C is reacted with 0.117 moles of O2 in a sealed, 10.0 L vessel at 500 K, producing a mixture of CO and CO2 (see reaction below). The total pressure is 0.6770 atm. What is the partial pressure of CO?
3 C + 2 O2 -----> 2 CO + CO2
Calculate the amount of heat required to completely sublime 23.0g of solid dry ice (CO2) at its sublimation temperature
The atmospheric activity of 14 C is 15 cpm/gC (counts per minute per gram of carbon). Assume that the cloth was made in the year 24 B.C. The half-life of 14 C is 5730 years. What will be the expected activity of 14 C of this sample
How do you do the problem- The pKa for lactic acid, CH3CH(OH)COOH, is 3.86. At physiological pH (7.40), which is the predominant form
the activation energy of a certain reaction is 44.5kjmol. at 21 the rate constant is0.0110 s-1 . at what temperature
Explain if an ideal gas initially at 0.6bar and 1.5 L is compressed at constant temperature to a volume of 0.8 L, Explain what is the final pressure of the compressed gas
Methanol (CH4O), which is used as a fuel in high-performance racing cars, burns in the presence of O2 to form CO2 and H2O. The molar masses for all substances are given under the balance equation.
calculate the standard entropy of propane gas at 231.04k given the following data hfusion842.2 calmol at mp 84.45k
Question- Explain why more elimination occurs in competition with substitution in the preparation of t-butyl chloride than in the preparation of n-butyl bromide
Electrons have half integer spin, ms= +-1/2. consider how the elements would be arranged if electrons had spin of ms= +-3/2. redraw the first two rows of the periodic table using this new criterion and list the new noble gases.
A 1.27 g sample of a gaseous oxide of nitrogen occupies a volume of 1.07 L at 25°C and 737 mmHg. What is the most likely formula for the gas. A. NO2 B. N2O C. NO D. N2O4
Some sugar substitutes are made from derivatives of sucrose. SucraloseTM is a sweetener found in soft drinks and low-calorie foods such as yogurt.
undergoes adiabatic expansion against a constant pressure of 78.5 kPa until the volume has increased by a factor of 3.0.Calculate q,w,delta T,delta U,and delta H.(The final pressure of the gas is not necessarily 78.5kPa.)
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