How many kilojoules of heat are absorbed
Calcium carbide (CaC2) can be made by heating calcium oxide (lime) with carbon (charcoal).? CaO(s) + 3 C(s) + heat As†' CaC2(s) + CO(g) Î"H = +464.8 kJ
How many kilojoules of heat are absorbed in a reaction in which 65.6 g C(s) are consumed?
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The volume of a typical bacterical cell is on the order of 1.0 cubic microns. At pH 7.0 how many hydrogen ions are contained inside a bacterial cell?
A projectile is launched with an initial velocity of 300m/s at 55 degrees above the horizontal. What is the straight line distance from where the projectile was launched to where it was hit? What is the maximum height?
What sort of interaction occurs between adjacent alcohol molecules? And what sort of interaction occurs between adjacent ketone molecules? Which is stronger?
A 75.0 kg patient is running a fever of 105°F and is given an alcohol rub to lower the body temperature. If the specific heat of the human body is approximately 0.830 kcal/kg°C and the heat of vaporization of the alcohol is 203 kcal/kg, de
Calculate the specific heat capacity of the calorimeter C, is 25.0 J/K. The final temperature, T, is 25.6 degrees Celsius.
Oxalic acid(C2H2O4) is generally used as ableaching and cleansing agent. Calculate concentration of all thespecies present at equilibrium in a 0.10M solution.
Given the exothermic reaction: N2(g) + 3H2(g) ? 2NH3(g) ?H = -92.1 kJ. At 400 K, the equilibrium constant (Kc) is 0.53. At 800 K, what is the value of the equilibrium constant?
Fe2O3 + 2Al - 2Fe + Al2O3If you start with 50.0g of Iron (iii) oxide and 25.0 g ofaluminum in the above problem, what is the limiting reagent?
2.86 g of a mixture of butene C4H8 and butane C4H10 is burned in excess O2 to give 8.8g CO2 and 4.14g of H2O. What are the weight percents of butene and butane in the mixture.
The state of air beginning the compression process is 95 kPa and 20 degrees celcius. The maximum temperature is not to exceed 2400 degress Kelvin. Find the MEP and the Thermal Efficiency.
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