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if a sample of 3.16g at a pressure of 0.750 atm and temperature of 45 degree Celsius then calculate What is the molar mass of a gas if it occupies a volume of 2.05 litres?
Using a sample of ferrous ammonium sulfate hexahydrate of 0.5585 grams needs KMnO4 solution of 21.45 ml to reach a pink endpoint then calculate what will be tha molarity of the KMnO4 solution?
State whether you would expect the entropy change, delta S, to be positive, negative, or approximately zero for each of the following reactions: (a) A + B --> C (b) A + B --> C + D (c) A --> B + C Please explain.
The pressure is steeply increased to 100 bar. The volume of the liquid is decreased by 1 ml at this constant pressure. Find the deltaH and deltaU
A 2.154-g sample of HgO produces 125 mL of oxygen collected over water at 24 degrees C and an atmospheric pressure of 763 mm Hg. Calculate the STP molar volume for oxygen.
On being heated with potassium ethoxide in ethanol (70 degrees C), the deuterium-labeled alkyl bromide shown gave a mixture of 1-butene, cis-2-butene, and trans-2-butene. On the basis of your knowledge of the E2 mechanism, predict which alkene(s),..
There are significant differences between Bacteria and Eukaryotes in the manner in which genetic information becomes functional gene product
Calculate the amount of energy in kilojoules needed to change 135 of water ice at -10 degrees Celsius to steam at 125 degrees Celsius.
the water level in a graduated cylinder initially at 224 rises to 287 after a piece of lead is submerged. what is the
The reaction below has a Kc value of 1.0 × 1012. What is the value of Kp for this reaction at 500 K. 2 SO2(g) + O2(g) 2 SO3(g)
ch4202co22h20 h.889.1kjhfh20-285.8kj hfco2-393.5kjwhat is the standard heat of formation of methane ch4 as calculated
A 100.0 g sample of a metal M is burned in air to produce 103.7 g of its oxide with the formula M2O. What is the atomic mass of the metal?
Calculate that how many grams of potassium chloride remain dissolved and how many grams came out of this given solution?
A 7.0 liter balloon at room temperature (22 degrees celsius) contains hydrogen gas. If the balloon is carried outside to where the temperature is -3.0 degrees Celsius.
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