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what is the following's states at atmospheric temperature?
1. diamond
2. mercury
3. oxygen
4. clay
5 cooking oil
6. neon
balanced equation for the preparation of the diazonium ion that i have made. draw possible structure for the azo dye.
Describe, in detail, how you would separate a mixture of ammonium chloride, NaCl, and sand. Will you be using chemical methods. Explain.
Calculate the calorimeter constant. The enthalpy of combustion of antracene is -7061 kJ/mol.
Suppose that 1.41 g of impure barium hydroxide is dissolved in enough water to produce 177.1 mL of solution and that 44.1 mL of this solution is titrated to the stoichiometric point
Calculate the energy change when one 235U nucleus undergoes the fission reaction 235U + n -> 142Ba + 92Kr + 2 n . The masses needed are 235U : 235.04 u; 142Ba : 141.92 u; 92Kr : 91.92 u; n : 1.0087 u.
It is often necessary to do calculations using scientific notation when working chemistry problems. For practice, perform each of the following calculations
A certain metal crystallizes in a body-centered cubic arrangement. If it rearranges to a face-centered cubic structure, what will happen to the density of the metal
Hydrogen peroxide decomposes into water and oxygen in a first order process. At 20 degrees C, the half life for the reaction is 3.92 x 10^4 seconds
the pH of a 0.20 M solution of a weak monoprotic acid is 3.70. What is the value of the ionization constant
suppose that after delivery several drops of the water cling to the inner wall of the pipet because the pipet wall is
How many grams of commercial acetic acid (97% by mass) must be allowed to react with an excess of to produce 83 of acetyl chloride , if the reaction has a 81.2 yield?
If the second data point occurred after a total addition of 4.00 mL of NaOH at t = 219 s, calculate the intial rate of reaction in units of M/s.
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