Calculate the heat (in kj) associated with complete reaction
Ammonia reacts with oxygen according tot he following equation:
4NH3+5O2=4NO+6H2O deltaHrxn = -906kJ
Calculate the heat (in kJ) associated with the complete reaction of 155g of NH3.
Expected delivery within 24 Hours
for which K=130. assume that .406 mol of C(g) is placed in a cylinder that has a massless, frictionless piston. the temp is 300 K and the barometric pressure on the piston is constant at 1 atm. the original volume (before the .406 moles decompose)
Suppose a 5.00 L sample of O2 at a given temperature and pressure contains 2.73 × 1023 molecules. How many molecules would be contained in 5.00 L H2 at the same temperature and pressure?
If a 2.5 L reaction vessel initially contains 725 torr of cyclopropane at 485C , how long will it take for the partial pressure of cylclopropane to drop to below 105 ?
The temperature of the mixture is 0 degrees C , and the total pressure is 1.00 atm. How many grams of helium are present in the gas mixture?
Bone was dissolved in hydrochloric acid, giving 50.0 mL of solution containing calcium chloride, CaCl2. To precipitate the calcium ion from the resulting solution, an excess of potassium oxalate was added. The precipitate of calcium oxalate, CaC2O
Given that 24.0mL of 0.170 M sodium iodide reacts with 0.209M mercury(II) nitrate solution. what is the mass of HgI2 precipitate?
16.5 The California ambient air quality standard for visibility requires that the average σ e be less than 0.23 km - 1 when the relative humidity is less than 70%. To what visual range does this limit correspond? To what aerosol mass conc
Write the overall equation for the production of nitric acid by the Ostwald process by combining the preceding and any other necessary equations.
1953313
Questions Asked
3,689
Active Tutors
1438226
Questions Answered
Start Excelling in your courses, Ask a tutor for help and get answers for your problems !!
but I would like to discuss to what extent employers should/should not influence or curb political participation in their workplaces.
Suppose you are the head of an island nation with a poor, growing population and the natural resources of the island are being degraded.
Question: What was the economic and political impact, if any protect the health and welfare to citizens ?
Problem: Article 3 of the Texas Constitution sets up the Texas Legislature. It also does which of the following?
Summarize how the ERA can be ratified and explain why this is the most likely way. You will draw on instances that are important to you
Which amendment to the U.S. Constitution is often called the "States' Rights Amendment" and is commonly used by states to challenge
Mechanisms of State-Led Development:** - **Industrial Policy:** Both countries used targeted industrial policies to support specific sectors, such as electroni