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To identify a diatomic gas (x2), a researcher carried out the following experiment: She weighed an empty 4.8- bulb, then filled it with the gas at 1.40atm and 20.0 degC and weighed it again. The difference in mass was 7.9g . Identify the gas. Express your answer as a chemical formula. like H20
The reaction between bromate ions and bromide ions is acidic solutions is given by the following equation BrO3-(aq) + 5Br-(aq) + 6H+(aq) -> 3Br2(l) + 3H2O(l)
Calculate how many grams of Copper II carbonate are obtained when 5.2ml of an 3.0M aques solution of sodium carbonate is mixed with 10.0ml of a 5.0M aques solution of Copper II Nitrate.
what is the central atom in nitrogen trifluoride, carbon tetrabromide, phosphorus pentiodide, sulfur hexachloride, and bromine trifluoride
At 0°C a 1.00 L flask contains 6.90 10-2 mol N2, 4.40 102 mg O2, and NO at a concentration of 9.00 1018 molecules/cm3. What is the partial pressure of each gas, and what is the total pressure in the flask?
The specific heat of the reaction mixture was 4.104 Jg-1 K-1 and its density was 1.03 g mL-1. The calorimeter constant was 3.36 J K-1. Calculate delta H neutzn for reaction of NH3 and acetic acid.
waters heat of fusion is 80. its specific heat is 1.0 and its heat of vaporization is 540 . a canister is filled with
Why is toxicity diminished in other congeners where chlorines are removed from the 2,3,7,8 positions, or when chlorines are added to remaining positions on the rings?
the masses in the question below are in grams at celsius temperature. the specific heat of water is 4.184 g degree
If 145 mL of 1.10 M KCl are diluted to 515 mL, what is the molarity of the final solution?
Arrange the following solutions in order of decreasing freezing point: 0.20 m Fe(OH)2, 0.15 m C6H12O6, 0.10 m K3PO4, 0.15 m CH3CH2COOH, 0.35 m LiI.
How does theoretical yield allow you to determine the stoichiometry of the reaction?CaCl2.2H2O + K2C2O4.H2O ---> CaC2O4.H2O + 2KCl + 2H2O
A buffer solution with a pH reading of 8.50 was prepared by mixing 0.25 mole acid (HA) and 0.05 mole NaOH in 500.0mL DI water... how much more grams of NaOH
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