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Preparation of benzaldehyde by etard's reaction
In 3 sentence
Carbon-14 is a radioactive isotope which decays with a half-life of 5730 years. What is the first-order rate constant for its decay, in units of years^-1
Complete and balance each of the following equations for acid-base reactions. Express your answer as a chemical equation. Identify all of the phases in your answer.
Use a temp-composition diagram to explain why fractional distallation of 2 components is more easily accomplished if the components have boiling points
Question- Consider the following reaction: CO(g)+2H2(g)?CH3OH(g) A reaction mixture in a 5.18?L flask at a certain temperature contains 27.1g CO and 2.33g H2. At equilibrium, the flask contains 8.65g CH3OH.
What is the molar mass of this substance, express your answer in g/mol and determine the moloar concentraitions Cr 2 O 7 ^2 and of K + ?
Considering only the R-groups for the amino acids below, which one would NOT contain a nucleophile at a high pH (> 11) a. Lys b. Ser c. Cys d. Trp e. none of the preceding
How much energy is needed to warm 0.500 g of silver from 25.0 degree C to 27.5 degree C? The specific heat of silver is 0.24J /g. degree C
Calculate the pH of a solution made by mixing 100. mL of 0.200 M acetic acid (HC2H3O2) with 100.0 mL of 0.100 M NaOH. (Ka for HC2H3O2 = 1.8 x 10-5)
Solid ammonium chloride, NH4CI reacts with solid sodium hydroxide to produce ammonia gas, water and sodium chloride NaCl
The barometric formula relates the pressure of a gas of molar mass M at an altitude h to its pressure Po at sea level. Derive this relation by showing that the change in pressure dp for an infinitesimal change in altitude dh where the density is P..
suppose that 2.00L of solution are made from 150. mg of citric acid, C6H8O7, A. what is the molar mass of citric acid? B. what is the molarity of citric acid in the solution?
Bonding (16 points) Draw the structure of the compound having the condensed formula CHOCH2CN. Indicate the hybridization of each carbon in the structure. What are the bond angles at each carbon
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