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Octane has a specific heat of 2.22 J/g.K. (a) How many joules of heat are needed to raise the temperature of 40.0 g of octane from 10.0 oC to 40.0 oC? (b) Which will require more heat, increasing the temperature of 1 mol of octane by 10 degrees or increasing the temperature of 1 mol of water by 10 degrees
According to the following reaction, how many moles of oxygen gas are necessary to form 0.221 moles nitrogen monoxide
95.0mL of rm H_2O is initially at room temperature (22.0rm{} ^{circ}C). A chilled steel rod at 2.0rm ^{circ}C is placed in the water. If the final temperature of the system is 21.4^{circ}C.
Major Organic Product Formed of Acetyl Chloride Reacting with Reagents, What major organic product would you expect to be formed when acetyl chloride reacts with each of the following reagents?
Oxidation of A with KMnO4 gives CO2 and the keto carboxylic acid D shown below. Propose a structure for A.
the dehydration of beta-hydroxy ketone occur so readily to produce the alkene compared with all the unsuccessful effort to dehydrate an alcohol under basic conditions?
A certain second-order reaction (B-> Products) has a rate constant of 1.80×10^-3 M^-1xs^-1 at 27C and an initial half-life of 216 s . What is the concentration of the reactant B after one half-life?Express the molar concentration numerically.
A 2.30 L sample of neon at 5.35 atm is added to a 10.0 L cylinder that contains argon. If the pressure in the cylinder is 7.00 atm after the neon is added, what was the original pressure (in atm) of argon in the cylinder?
how many grams of NACL would you need to add to 1 liter water sample ph=7 so that ionic strength equaled to 0.1M
Many hospitals, and some doctors\' offices, use radioisotopes for diagnosis and treatment, or in palliative care (relief of symptoms such as pain). Some radioisotopes used in medicine are listed below.
Hydrogen ion concentration in mixtures, Calculate the hydrogen ion concentration of the following mixtures. a. 25mL of 0.10M HClO4 and 25mL of 0.15M HClO2
several questions regarding the volatility, bioaccumulation potential and toxicity of BTEX compounds commonly present in the light fraction of gasoline. You find the following data from a reference book (E. R. Weiner, 2000) and try to help him.
The freezing point of ethanol (C2H5OH) is -114.6 degrees C and the molal freezing point depression constant for ethanol is 2.00 degrees C kg mol-1. What is the freezing point (in C) of a solution prepared by dissolving 57 g of glycerin (C3H8O3) in..
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