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in the following problem you must 1 determine the correct formula for each reactant and product 2 determine the
given figure represents an imaginary ideal-gas cycle assuming constant heat capacities show that the thermal efficiency
what is the molarity of 200 l naoh solution prepared from the dilution of 5000 ml of 191 m
if 628 g ca react with 923 g hcl according to the reaction below how many grams of hydrogen gas will be produced and
a 250 g piece of aluminum which has a molar heat capacity of 2403 jdeg celsius mol is heated to 824 deg celsius and
watch the following video about jodie miller a young girl who suffered from intense epileptic seizures when she was
carbonic acid h2co3 is a diprotic acid withka1 42times10-7and ka2 48times10-11 theion product for water is kw 10
a coffee cup calorimeter having a heat capacity of 451 joc was used to measure the heat evolved when 00300 mol of naohs
an imaginary ideal-gas engine operates in a cycle which forms a rectangle with sides parallel to the axes of a pv
questionsuse boyles law to explain what would happen to the volume of a helium- filled balloon if it was carried
what are the major sources and emissions of air pollution in your community what chemicals are they emitting and how
a 100 l flask is filled with 100 g of argon at 25 c a sample of ethane vapor is added to the same flask until the total
need help with these ideal gas law questionsa quantity of co gas occupies a volume of 063 l at 20 atm and 337 k the
a weather balloon is inflated to a volume of 256 l at a pressure of 733 mmhg and a temperature of 273 c the balloon
a vessel contains 10-3nbspm3nbspof helium gas at 3 k and 103 pa take the zero of internal energy of helium to be at
when silver tarnishes silver metal reacts with the element sulfur to form a gray deposit of ag2s if ag reacts with s to
1 in the tropics the water near the surface is warmer than the deep water would an engine operating between these two
consider the following reversible reaction in a 300 liter container the following amounts are found in equilibrium at
how many grams of dipotassium succinate trihydrate k2c4h4o4middot3h2o mw 24832 gmol must be added to 5000 ml of a
calculate the h and ph of a 0000251 m hydrazoic acid solution keep in mind that the ka of hydrazoic acid is 220 times
directionsrefer back to equation 2 and consider carefully whether you could simply have used the ph value of the
what is the maximum mass in grams of aluminum chloride that could be obtained from 250 mol of barium chloride and
a soil analysis was done for the exchangeable cations in the soil and the results were as followsca 18 gkg atomic wt
discussion 1 in this discussion consider how fats are digested and utilized in the bodynbsp address the following
a storage battery is connected to a motor which is used to lift a weight the battery remains at constant temperature by