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When 2.13 moles of C3H8 burn in excess oxygen, how many moles of CO2 will be formed assume this is complete combustion
If the end of the crutch is a circle of radius 1.2 cm without the tip, and the tip is a circle of radius 2.3 cm, by what factor does the tip reduce the pressure exerted by the crutch?
when molecules are represented by molecularmodels what does each sphere represent? how big is the nucleus of an atom in
each quarter produced by the u.s. mint is made up of copper and nickel alloy. in each coin there is 0.00740 moles of ni
The element is so highly unstable that no observations of its properties have been possible. Based on its position in the periodic table, propose two different reasonable valence electron configurations for this element.
A sample of air contains 76.50% nitrogen, 22.70% oxygen, 0.05% carbon dioxide, and 0.75% argon, by volume. How many molecules of each gas are present in 1.00 L of the sample at 25°C and 1.00 atm
Calculate the osmotic pressure of a solution contains 0.0010 mole of KCl and 0.0010 mole of BaCl2 per liter of solution at 298 K
If the mixture contained 56 grams CO2, 3.04 mol CO and 9.03 X 1023 atoms of argon, the partial pressure of argon would be about
If 23 g of carbon dioxide and 50g of graphite are placed in a 2 L reaction vessel and heated to 850°C. What is the mass of CO at equilibirium
What is the concentration (in M) of the chloride ion when 16.2 mL of a 0.542 M solution of barium chloride is combined with 18.4 mL of a 0.619 M solution of aluminum chloride? Assume the volumes are additive.
Which of the following alkyl halides yields the most stable carbocation intermediate during solvolysis in hot ethanol
a student ran the following reaction in the laboratory at 338 k2 nog br2g 2 nobrgwhen she introduced 0.116 moles of
Given the values of ?Gfo given below in kJ/mol, calculate the value of ?Go in kJ for the reaction at 298 K.: 3 NO2(g) + H2O(l) => 2 HNO3(l) + NO(g) ?Gfo (NO2) = 51.0 ?Gfo (H2O(l)) = -235.3 ?Gfo (HNO3) = -81.7 DGfo (NO) = 86.8
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