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A 27.0 L sample of nitrogen at 7.85 atm and 27 deg Celsius is simultaneously expanded to 63.4 L and heated to 35 deg Celsius. What is the new pressure of the gas?
Carbon monoxide gas reacts with hydrogen gas at elevated temperatures to form methanol according to this equation. CO(g) + 2 H2(g) CH3OH (g)
Calculate the pH of a solution formed by mixing 65 mL of 0.31 M NaHCO3 with 75 mL of 0.10 M Na2CO3.
In the television series Star Trek, the transporter beam is a device used to "beam down" people from the Starship Enterprise to another location
A compound contain 60.87% carbon, 4.38% hydrogen, and 34.75% oxygen then determine its empirical formula?
The "colbalt treatments" used in medicine for arresting certain types of cancer rely upon the ability of gamma rays to destroy canercous tissues. Cobalt-60 decays with the emission of Beta particles and gamma rays, with a half life of 5.27 years. ..
Indicate the reaction conditions you would employ to accomplish the following: Conversion of tert-butyl chloride to 2-methylpropene to maximize the yield of the elimination product over the substitution product.
how many grams of SO2 are required to treat 3.00x10^8 L of 0.0750 mM Cr(VI)? 2CrO4+3SO2+4H yields Cr2(SO4)3+2H2o
1 mole of a hydrocarbon of formula CnH2n was burned completely in oxygen producing carbon dioxide and water vapour only. It required 192 g of oxygen. Work out the formula of the hydrocarbon.
Calculate the pH of the resultant mixtures: a. 10 ml of 0.2 M Ca(OH)2 + 25 ml of 0.1 M HCL b. 10 ml of 0.01 M H2SO4 + 10 ml of 0.01 M Ca(OH)2 c. 10 ml of 0.1 M H2SO4 + 10 ml of 0.1 M KOH
An aqueous solution is 5.80% methanol by mass with d=0.988g/ml. What is the molarity of methanol in this solution
What is the heat of neutralization per mole of HCl? Assume that the original solutions made independent contributions to the total heat capacity of the system following their mixing. ( in kJ/mol)
Explain how a redox reaction involves electrons in the same way that an acid-base reaction involves protons.
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