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Predict the mass of the most abundant fragment signal in the mass spectrum of 2,2-dimethylpentane. 85 amu 29 amu 57 amu 43 amu
Calculate the mass of H2O produced when 12.0 g of glucose is combusted in a container of oxygen with a volume of 1.3 L at a pressure of 2.2 atm and a temperature of 205 °C.
The volume of a gas at 95.0 kPa is 300.0 mL. If the pressure is increased to 177 kPa, what will be the new volume?
A solution of malonic acid, H2C3H2O4 was standardized by titration w.1000M NaOH solution. If 20.76 mL of the NaOH solution were required to neutralize completely 13.15 mL of the malonic acid solution
Determine the average atomic mass of boron is the natural abundance of 10B weighing exactly 10.0129 amu is 80.1% and the natural abundance of 11B weighing exactly 11.0093 amu is 19.9%.
The sudden opening of the epiglottis and vocal cords releases this air explosively. Just prior to this release, what is the approximate pressure of the gas inside the lungs?
suppose that coal of density 1.5g/cm3 is pure carbon. the combustion of carbon is described by the question C(s)+ 02(g)- CO2 H= -394kJ
Organic chemistry solution - First question wants the product of certain oxidation reaction of chromic acid with a secondary alcohol and primary alcohol.
Physical propoerties and intermolecular forces, What type of intermolecular forces accounts for the following differences in each case?
How many moles of KMnO4 are present in 25.0 mL of a 0.0900 M solution?
A laboratory method of preparing oxygen gas involves decomposition of solid potassium chlorate. The products of the reaction are solid potassium chloride and oxygen gas.
25.2 mL of qater are placed in a graduated cylinder. A 22.6 g stone is dropped in, and the water level rises to 32.4 mL. Find the stone's density.
A certain type of sugar dissolves in water, but the solution created does not conduct electricity. Therefore, the sugar does not form ions when dissolved in solution.
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