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It is a hot summer day (104.0 oF), and you have left a can of hairspray outside so the gas within it is now at the same temperature of its surroundings. You have to build a safe and effective potato gun to share with the local elementary school, and you must be sure that the combustion chamber is well insulated and will not harm (burn) the shooter. You spray the warm hairspray into the 2.50 L chamber on your gun. You seal the cap, then ignite it, and the resulting gas expands to 12.0 L as the potato is shot out.
What is the final temperature, in Celsius, inside the combustion chamber?
What is this temperature in Fahrenheit?
What is the role of KNCS in the equation Fe + NCS yields FeNCS? This is a problem for chemistry lab, we're trying to determine which iron compound is which. Also what would the role of HNO3 be in this experiment?
A refrigeration tank holding 5.00L Freon gas (C2Cl2F4) at 25C and 3.00atm pressure developed a leak. While the leak was discovered and repaired, the tank had lost 76.0 g of the gas. Explain what was the pressure of the gas remaining in the tank at..
The ethanol enters the reactor as a vapor at 300°C and 5 bar pressure, and at a flow rate of 100 mol/h. How much heat must be added/removed (state which) to maintain the reactor outlet temperature at 300°C? State your answer in kJ/h.
Write the isotope needed, by identifying A, Z, and X, to balance the following nuclear fission reaction:235 92U+1 0n→143 55Cs+A ZX+3 1 0nExpress your answer as an isotope using prescripts.
Draw newman projections of two eclipsed as well as two staggered conformations of n-butane and place them on the potential energy diagram given below according to their stability. Notice that the eclipsed and staggered/anti conformations aren't is..
An organofluorine compound has a density of 0.773 g/L at 18.5 C and 223 mm Hg pressure. calculate the molar mass of the compound
question what is the difference between biochemical pharmaceutical and diagnostic chemical reactions in
What is the mole fraction of each gas. Express your answers using four significant figures. Enter your answers numerically separated by a comma.
1. What is the mass of 2.30 moles of magnesium chloride, MgCl2?Express your answer with the appropriate units.2. How many moles of nitrogen, N, are in 67.0 g of nitrous oxide, N2O?Express your answer with the appropriate units.
Predict the stereochemistry of the products formed if the addition of bromine to fumaric acid occurs via
What is the total pressure of a mixture of gases made up of CO2, O2, and H2 if the partial pressures are 2.2atm, 400mmHg and 112kPa respectively.
The final temperature of the system is 27.3°C. The resulting 0.500 M NaCl (aq) has a density of 1.02 g/ml, and a specific heat of 4.02 J/g-deg. What is the value of ?H in kJ/mole or the reaction
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