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Calculate the entropy change for vaporization of 18g of H2O? The molar enthalpy of vaporization for water is 44 kj/mol and the boiling point is 100 degrees celsius
When burned in oxygen, 10.0 g of phosphorus generated enough heat to raise the temperature of 2950 g of water from 18.0oC to 38.0oC. The heat of formation of P4O10 from P4(s) and O2(g) is:
There are two naturally occurring isotopes of bromine. 79Br has a mass of 78.9183 amu. 81Br has a mass of 80.9163 amu.
Calculate expected final temperature for 25 grams of 70 C hot water melting 15 grams of 0 C ice. Repeat this calculation
how many grams of glucose must be dissolved in 563 greams of ethanol to prepoare a 2.40 x 10 -2 m solution?
For the reaction, A(g) + B(g) => AB(g), the rate is 0.579 mol/L.s when the initial concentrations of both A and B are 2.00 mol/L. If the reaction is first order in A and second order in B, what is the rate when the initial concentration of A = 2.3..
describe the reactant and products of the chemical reaction. Qas the reactant (potato chip) completely consumed? What evidence supports your answer?
Dry ice (solid ) has occasionally been used as an "explosive" in mining. A hole is drilled, dry ice and a small amount of gunpowder are placed in the hole,
Barium reacts with a polyatomic ion to form a compound with the general formula Ba3(X)2. What would be the most likely formula for the compound formed between sodium and the polyatomic ion X?
A mixture of 30 mol% CO, 65 mol% H2, and 5 mol% N2 is fed to a methanol (CH3OH) synthesis reactor, where the following reaction occurs
Write balanced equation for the following reaction of aqueous of feCl3, and Mg3(po4)2 to give FePo4 and MgCl2. Molecular Equation. Ionic Equation. Net ionic equation. What the name of this type of reaction. Which ions are spectator ions
Explanation of Ratios, In an unsymmetrical alkene, the boron atom adds predominantly to the least substituted carbon atom. For example, 2-methyl-2-butene gives the products shown below.
How many moles of CF4 can be produced when 4.00 mol C react with 12.00 mol F2?
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