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C2H4 + 3O2 = 2CO2 + 2H2O If you start with 54 grams of ethylene (C2H4) how many grams of carbon dioxide will be produced?
Determine the kinetic energy of the emitted electrons when cesium is exposed to UV rays of frequency = 1.3 x 10^15 Hz? Express your answer in Joules
A 4.10 g nugget of pure gold absorbed 274 J of heat. What was the final temperature of the gold if the initial temperature was 27.0°C? The specific heat of gold is 0.129 J/(g·°C).
How much heat is released when 4.50 g of methane gas is burned CH4 (g) + 2O2(g) -> CO2 (g) + 2H2O(l) H=-890kJ
Require to apply to neutralize the acidity that concluded from nitrification and determine how much CaCO 3
If I add 1.65 L of water to 112 grams of sodium acetate...What is the molality of NaC2H3O2 in this solution?
a gas sample occupies 4.20 l under a pressure of 800 torr at 350K.At what temperature will it occupy 3.60 L at the same pressure?
A compound contains only carbon, hydrogen, and oxygen. Combustion of 0.01068 g of the compound yields 0.01601 g of CO2 and 0.00437 g of H2O. The molar mass of the compound is 176.1 g. What are the empirical and molecular formulas of the compound?
To what volume should you dilute 130. mL of an 7.11 M CuCl2 solution so that 65.0 mL of the diluted solution contains 4.24 g CuCl2?
The solution to Equilibrium constant, A certain gas mixture held at 395C has the following initial partial pressures: P(Cl2) = 351.4 torr; P(CO) = 342.0 torr and P(COCl2) = 0.
A 31.0-g sample of water at 290. K is mixed with 48.0 g water at 340. K. Calculate the final temperature of the mixture assuming no heat loss to the surroundings.
If 156 mL of wet H2 is collected over water at 24C and a barometric pressure of 736 torr, how many grams of Zn have been consumed?
What are the probable classes of hydrocarbon or hydrocarbon derivative (i.e.: alkane, alkene. ketone. ester. organic halide, etc...) in each of the following
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