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a large flask with a volume of 936 ml is evacuated and found to have a mass of 13466 g it is then filled to a pressure
through a series of tricky chemical reactions your instructor has you decompose both samples into the constituent
what would the partial pressure be for each gas present also the total pressure of the tank for scuba dives below 150
consider the combustion of octane c8h18 what volume of oxygen gas at stp would be needed for the complete combustion of
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use the ideal gas laws to calculate the mass of 25 m3 of a mixture of 21 vv oxygen o2 and 79 nitrogen n2 which is at a
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a bomb calorimeter has a heat capacity of 247 kjkwhen a 0105 g sample of c2h4 was burned in this calorimeter the
what is the specific heat capacity of gold if it requires 488 j to raise the temperature of 15 grams of gold 25
light with a wavelength of 491 nm lies inthe blue region of the visible spectrum what is thefrequency of this
the combustion of what volume of ethane c2h6 meaured at 230 degrees celsius and 752 mmhg would be requird to heat 855 g
a sprinter must average 240 mih to win a 100-m dash in 930 s what is his wavelength at this speed if his mass is 845
the weather stations give the atmospheric pressure in inches of hgnbspwhat is your measured atmospheric pressure in
a sample of gas in a balloon has an initial temperature of 20 c and a volume of 175x103 l if the temperature changes to
cu2co3oh22cuoh2oco2if there is 127 g of copper ii carbonate hydroxide cu2co3oh2 what mass of copper ii oxide is
the density of mercury the only metal to exist as a liquid at room temperature is 136 gcm3 what is this density in
analysis of a white solid produced in a reaction between chlorine and phosphorus showed that it contained 7744 chlorine
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how do you calculate enthalpy neutralization when you are given a situation where a coffee cup calorimeter 500 ml of
if 0110 mol of helium gas occupies avolume of 231 l at a certaintemperature and pressure what volume would 0329 mol of
an electrical heater delivers 8450 kj of energy as heat to asystem consisting of the gas inside a cylinder having a