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An ideal gas mixture of 1.00g N2 and 3.0g He is placed in a 1.00L container at 30 °C. What is the partial pressure of He
B2H6 + 3O2= B2O3+3H2O ;DELTA H=-2035KJ how much heat is released when a mixture of 7.35 g B2H6 and 2.60 g O2 is burned?
what volume of O2(g), measured at 17.7 degrees C and 0.978 atm reacts with 15.1 g C4H10 to produce CO2(g) and H2)(l)? Hint: you must write a balanced equation for the reaction.
NH4NO3 absorbs 25.69KJ of heat per mole dissolved in water. In a coffee-cup calorimeter, 5.60 g NH4NO3 is dissolved in 100.0g of water at 22.0C(temp). What is the final temperature of the solution? Assume that the solution has a specific heat capa..
A 3.0 L bulb containing He at 129 mmHg is connected by a valve to a 2.0L bulb containing Ar at 110 mmHg. Calculate the partial pressure of each gas and total pressure after the valve between the flask is opened.
explain what ( if anything) is wrong with the following student's statement: " our solution is red, so we should set the spectrophotometer to the red light range
Suppose that for the precipitation of the stock solution of borzac, the solid borax reagent is contaminated with a water-souble substance that does not eact with HCl.
draw the structure of the expected dichlorocarbene adduct of methyl methacrylate. another product could have been obtained. It is the chloroform adduct to the double bond (Michael type reaction). what would this structure look like.
Please propose reasonable syntheses of the following compounds from benzene: a) meta-chloroacetophenone; b) p-chlorobenzophenone.
How much work would have been done if the gas were ideal? Account for the differences the two values.
what products would expect to obtain in the reaction of alpha-naphthaldehyde with KOH? write a detailed reaction mechanism.
2H2S (g) + 3O2 (g) → 2H2O (g) + 2SO2 (g) If 3.50 G Of H2S Are Used In The Above Reaction, What Will Be The Theoretical Yield Of Water In Grams?
What is your sampling rate in ml/min if you collected, over a four hour sample
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