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A gas company in Massachusetts charges $1.30 for 15ft cubed of natural gas (CH4) measured at 20 degrees celsius and 1.0 atm. Calculate the cost of heating 200 mls of water from 20 degrees to 100 degrees. Assume that only 50% of the heat generated by the combustion is used to heat the water; the rest is lost to the surroundings.
how many grams of AgNO3 can be produced by reacting completely 88.0g of Ag? (c)- state the number of grams of water that can be obtained by the reaction of 324g of Ag with 126g of HNO3
Consider the titration of 46.0 mL of 1.2 M NaOH with 1.0 M HCl. Find the pH at the following points. A)After the addition of a large excess of acid
A pound of coffee beans yields 48 cups of coffee. How many milliliters of coffee can be obtained from 1 g of coffee beans?
For the following redox reaction, determine the oxidation states of all of the elements in the products and reactants. Which reactant is reduced and which is oxidized. Also, determine the reducing and oxidizing agents. Mg(s) + 2HCl(aq) ? MgCl2(aq)..
An analysis showed that 25.0 g of this hydrate, CoCl 2 * 6 H 2 O, contains 11.3 g of water. What is the percent water by weight in this hydrate?
The four molecular p orbitals of the four carbon atoms can be lined up parallel in order to create four new molecular orbitals. The electrons in the new molecular orbitals benefit because they are not confined to just one atom.
2.50 moles of COBr2 are introduced into a 2.00 liter flask at 0degrees and heated to a temp of 73 degree celcius. At equilibrium, the equilibrium constant is .190. What is the percent disassociation? what is the equilibrium concentration of each s..
sodium hydroxide solution for neurtalization to a phenolphthalein end point, calculate the molarity of the phosphoric acid.
Draw the structure of a compound with the following analytical data: a mw of 72 g/mol, no silver mirror in a Tollen's test, and a yellow precipiate formed in an iodoform test.
A tank contains helium gas at 490. mmHg, nitrogen gas at 0.750 atm, and neon at 520. torr. What is the total pressure in atm?
The molecular formula of glycine (an amino acid) is NH2CH2COOH, the molecular mass is 75.07grams/mole. If 10 glycines are joined together by a dehydration reaction to make a polypeptide, what would the molecular mass of the polypeptide equal
Isomeric products isolated from free-radical chlorination, Some isomeric products were isolated from the free-radical chlorination of (R)-sec-butyl chloride.
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