Caculate the value of change of heat for the reaction
When 0.250 mol of CH4(g) reacts with excess Cl2(g) at constant presure according to the chemical equation shown bellow, 177 kJ of heat are realesed. caculate the value of change of heat for this reaction?
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Assume a future where security countermeasures against DoS attacks are much more widely implemented than at present. In this future network, antispoofing and directed broadcast filters are widely deployed.
What is the final temperature of the water after the preceding reaction occurs? Assume that all the heat is used to raise the temperature of the water.
A railway wagon weighing 40 KN and moving with a speed of 8 km/h is stopped by a buffer of 4 springs whose allowable maximum compression is 150 mm.
What are the partial pressures of CCl4 and Cl2 at equilibrium?
The solubility of O2(g) in water is 4.43 mg of O2/100g H2O at 20oC and 1 atm pressure. What pressure of O2(g) would be required to produce a saturated solution that is 0.010 M O2?
a sample of H20 with a mass of 46.0 grams has a temperature of -58.0 degrees Ceslius. How many joules of energy are necessary to heat the steam from 100.0 degrees celsius to 114.0 degrees if the specific heat of steam is 2.01 J/g degrees celsius?
Calculate the energy levels of the π-netwrok in octatetraene, C8H10, using the particle in the box model. To, calculate the box length, assume that the molecule is linear and use the values 135 and 154 pm for C=C and C-C bonds. What is the wave
Which is amajor source of air pollution and a substantialcontributor to acid rain. What mass of Fe2O3 is produced from 85 L of oxygen at 3.73 atm and 143 C with an excess of iron pyrite?
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